Toyota OBD2 codes?

Toyota-Specific OBDII Trouble Codes

  • P0171.
  • P0401.
  • P0402.
  • P0420.
  • P0440.
  • P0441.
  • P0442.
  • P0446.

How do you read Toyota engine codes?

Summary

  1. Park vehicle and set the emergency brakes.
  2. Turn key to position II.
  3. Pull the hood release and open the hood.
  4. Locate the diagnostic port in the engine bay.
  5. Use a copper wire or paper clip to short terminals TE1 and E1.
  6. Go back inside the car and count the number of flashes for the check engine lightengine light.

What are OBD II codes?

OBD2 Codes are part of the car self-diagnostic system to signal where the malfunction may come from. It’s also referred to as Check Engine Light Codes and Diagnostic Trouble Codes(DTC Codes). It’s essential for mechanics and drivers who would love to know what happened with their vehicles.

What is DTC in Toyota?

DTC stands for Diagnostic Trouble Codes. A DTC code is a series of diagnostic trouble codes used by a vehicle’s onboard diagnostics (OBD) system to alert you when a vehicle experiences a malfunction.

How do I find my Toyota code?

Key codes can be obtained from your local Toyota dealership upon presentation of photo identification and proof of ownership. The dealership will need your Vehicle Identification Number (VIN). Please be aware that Toyota does not keep key codes for all model year vehicles.

What scan tool does Toyota use?

The Toyota/Lexus current factory tool is the laptop-based application called ‘Toyota TechStream’. This package was introduced to the Toyota/Lexus dealers as a replacement for the hand-held Vetronix built ‘Toyota Mastertech’ factory scan tool.

How do you read a fault code without a scanner?

How To Check Engine Light Codes Without A Scanner (Step-By-Step)

  1. Step 1: Turn The Ignition Key.
  2. Step 2: Check Your Dashboard.
  3. Step 3: Note And Interpret The Check Engine Codes.
  4. Step 1: Odometer Reset.
  5. Step 2 (Optional): Odometer Reset And Multiple Ignition Key Flips.
  6. Step 3 (Alternative): Use A Paper Clip Or Jumper Wire.

Who will read car codes for free?

Many drivers don’t realize that AutoZone, the nation’s largest auto parts chain, will do the following services free of charge: Read the codes on your check engine light. Test your battery’s voltage. Check your alternator and starter.

What does F mean on code reader?

A freeze frame is snapshot of data from a number of sensors and components at the time when the fault was detected.

What are car codes?

Diagnostic Trouble Codes, also known as engine fault codes, are five-digit codes that identify a particular problem in the car. These codes are displayed on the scanning tool when it’s connected to the OBD system. The five-digit DTC includes one letter usually followed by four numbers (e.g. P1234).

What is the difference between OBD and OBD2?

1. OBD1 is connected to the console of a car, while OBD2 is remotely connected to the vehicle. 2. OBD1 was used during the earlier years of the car manufacturing industry, while OBD2 was only introduced in car models produced in the early 1990’s.

What are u codes on a car?

C-codes (chassis): Functions outside of the passenger compartment including brakes, steering, and suspension. U-codes (network/vehicle integration): Functions shared among the vehicle’s systems and computers. P-codes (powertrain): Include functions such as the engine, transmission, and drivetrain.

What does DTC 01 mean?

DTC 01 General Sensor Fault.

What does Type B DTC mean?

Type B. Emissions related. Sets a Pending Trouble Code after one failed driving cycle. Clears a Pending Trouble Code after one successful driving cycle. Turns on the MIL after two consecutive failed driving cycles.

Toyota OBD/OBD2 Codes – TroubleCodes.net

OBD1 Codes
1 Normal Condition.
2 Air Flow Meter signal.
3 Ignition signal.
4 Engine Coolant Temperature Sensor signal.
5 Oxygen Sensor.
6 RPM signal (Crank Angle Pulse).
7 Throttle Position Sensor signal.
8 Intake Air Temperature Sensor signal.
9 Vehicle Speed Sensor signal.
10 Starter signal.
11 Switch signal.
11 ECU/ECM.
12 Knock Control Sensor signal.
12 RPM signal.
13 Knock Control CPU (ECM).
13 RPM signal.
14 Turbocharger Pressure.
14 Ignition signal.
21 Oxygen Sensor.
22 Engine Coolant Temperature Sensor signal.
23 Intake Air Temperature Sensor signal.
24 Intake Air Temperature Sensor signal.
25 Air-Fuel Ratio Lean.
26 Air-Fuel Ratio Rich.
27 Sub Oxygen Sensor signal.
28 No. 2 Oxygen Sensor signal.
31 Air Flow Meter signal (Vacuum Sensor signal).
32 Air Flow Meter signal.
34 Turbocharger Pressure signal.
35 Turbocharger Pressure Sensor signal.
35 HAC Sensor signal.
41 Throttle Position Sensor signal.
42 Vehicle Speed Sensor signal.
43 Starter signal.
51 Switch signal.
52 Knock Sensor signal.
53 Knock Sensor signal.
54 Inter-cooler ECM signal.
71 EGR System.
72 Fuel Cut Solenoid signal.
78 Fuel Pump Control signal.
81 TCM Communication.
83 TCM Communication.
84 TCM Communication.
85 TCM Communication.
Common Toyota OBD2 Codes (also seeFull List of Toyota OBD2 Codes)
P0100 Mass Air Flow Circuit.
P0101 Mass Air Flow Circuit Range/Performance.
P0105 Manifold Absolute Pressure Circuit.
P0106 MAP/BARO Circuit Range/Performance.
P0110 Intake Air Temperature Circuit.
P0115 Engine Coolant Temperature Circuit.
P0116 Engine Coolant Temperature Range/Performance.
P0120 Throttle Pedal Sensor Switch “A” Circuit.
P0121 Throttle Pedal Sensor Switch “A” Circuit Range/Performance.
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control.
P0130 Heated Oxygen Sensor Circuit – Bank 1 Sensor 1.
P0133 Heated Oxygen Sensor Circuit Slow Response Bank 1 Sensor 1.
P0135 Heated Oxygen Sensor Circuit – Bank 1 Sensor 1.
P0136 Heated Oxygen Sensor Circuit – Bank 1 Sensor 2.
P0141 Heated Oxygen Sensor Circuit – Bank 1 Sensor 2.
P0150 Heated Oxygen Sensor Circuit – Bank 2 Sensor 1.
P0153 Heated Oxygen Sensor Circuit Slow Response Bank 2 Sensor 1.
P0155 Heated Oxygen Sensor Circuit – Bank 2 Sensor 1.
P0156 Heated Oxygen Sensor Circuit – Bank 2 Sensor 2.
P0161 Heated Oxygen Sensor Circuit – Bank 2 Sensor 2.
P0170 Fuel Trim malfunction.
P0171 System too Lean.
P0172 System too Rich.
P0201 Injector Circuit – Cyl. 1.
P0202 Injector Circuit – Cyl. 2.
P0203 Injector Circuit – Cyl. 3.
P0204 Injector Circuit – Cyl. 4.
P0205 Injector Circuit – Cyl. 5.
P0206 Injector Circuit – Cyl. 6.
P0300 Random Misfire.
P0301 Misfire Detected – Cyl. 1.
P0302 Misfire Detected – Cyl. 2.
P0303 Misfire Detected – Cyl. 3.
P0304 Misfire Detected – Cyl. 4.
P0305 Misfire Detected – Cyl. 5.
P0306 Misfire Detected – Cyl. 6.
P0325 Knock Sensor 1 Circuit.
P0330 Knock Sensor 2 Circuit.
P0335 Crankshaft Position Sensor “A” Circuit.
P0336 Crankshaft Position Sensor “A” Circuit Range/Performance.
P0340 CMP Sensor Circuit malfunction.
P0385 Crankshaft Position Sensor “B” NE2 Circuit.
P0401 EGR Flow Insufficient.
P0402 EGR Flow Excessive.
P0420 Catalyst System Efficiency below Threshold.
P0430 Catalyst System Efficiency below Threshold Bank 2.
P0440 EVAP Control System.
P0441 EVAP Control System Improper Purge Flow.
P0446 EVAP Control System Vent Control.
P0450 EVAP Control System Pressure Sensor.
P0451 EVAP Control System Pressure Sensor Range/Performance.
P0500 Vehicle Speed Sensor.
P0505 Idle Speed Control System.
P0510 Close Throttle Position Switch.
P1100 BARO Sensor Circuit.
P1120 Accelerator Pedal Position Sensor Circuit.
P1121 Accelerator Pedal Position Sensor Range/Performance Problem.
P1125 Throttle Control Motor Circuit.
P1126 Magnetic Clutch Circuit.
P1127 ETCS Actuator Power Source Circuit.
P1128 Throttle Control Motor Lock.
P1129 Electric Throttle Control System.
P1130 Air-Fuel Sensor Circuit Range/Performance.
P1133 Air-Fuel Sensor Circuit Response.
P1135 Air-Fuel Sensor Heater Circuit Response.
P1150 A/F Sensor Circuit Range/Performance.
P1153 A/F Sensor Circuit Response.
P1155 A/F Sensor Heater Circuit.
P1200 Fuel Pump Relay Circuit.
P1300 Igniter Circuit – No. 1.
P1310 Igniter Circuit – No. 2.
P1335 No Crankshaft Position Sensor Signal – Engine Running.
P1349 VVT System.
P1400 Sub-Throttle Position Sensor.
P1401 Sub-Throttle Position Sensor Range/Performance Problem.
P1405 Turbo Pressure Sensor Circuit.
P1406 Turbo Pressure Sensor Range/Performance Problem.
P1410 EGR Valve Position Sensor Circuit.
P1411 EGR Valve Position Sensor Circuit Range/Performance.
P1500 Starter Signal Circuit.
P1510 Boost Pressure Control Circuit.
P1511 Boost Pressure Low.
P1512 Boost Pressure High.
P1520 Stop Lamp Switch Signal.
P1565 Cruise Control Main Switch Circuit.
P1600 ECM.
P1605 Knock Control CPU.
P1630 Traction Control System.
P1633 ECM.
P1652 Idle Air Control Valve Control Circuit.
P1656 OCV Circuit.
P1658 Wastegate Valve Control Circuit.
P1661 EGR Circuit.
P1662 EGR by-pass Valve Control Circuit.
P1780 Park/Neutral Switch.

Toyota OBDII Engine Trouble Codes

Anyone who’s ever worked on a modern vehicle knows that the on-board diagnostic system is both essential and frustrating. It is quite useful since it gives you with diagnostic codes that allow you to rapidly pinpoint the source of a car problem. The fact that many of these codes are deceptive is a source of irritation. We’ve put together a list of frequent Toyota problem codes below, and if the trouble code is linked, there’s an article with some trouble code details and diagnostic guidance accessible.

Toyota Specific Codes

  • P1135
  • P1155
  • P1226
  • P1228
  • P1229
  • P1250
  • P1349
  • P1603
  • P2121
  • P2770
  • P1135

Please keep in mind that we have made every effort to ensure that these engine problem code resources are correct. We cannot, however, be held liable for any inaccuracies or omissions contained in this document. As a result, we highly advise anybody planning to work on their own car to get a repair handbook that is unique to the year and type of the vehicle.

Toyota OBD-II Trouble Codes

Note: For generic OBD-II codes (which begin with P0***), please see this page.

Recent Toyota Forum Discussions

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Please keep in mind that the Toyota and Lexus brands are included in the same topic because they are both owned by the same parent corporation.

Toyota Specific Trouble Codes

Take note that the Toyota and Lexus brands are included in the forum because they are both owned by the same parent corporation, Toyota Motor Corporation

Code Description
P1100 BARO Sensor Circuit.
P1120 Accelerator Pedal Position Sensor Circuit.
P1121 Accelerator Pedal Position Sensor Range/Performance Problem.
P1125 Throttle Control Motor Circuit.
P1126 Magnetic Clutch Circuit.
P1127 ETCS Actuator Power Source Circuit.
P1128 Throttle Control Motor Lock.
P1129 Electric Throttle Control System.
P1130 Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 1)
P1133 Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 1)
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
P1150 Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 2)
P1153 Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 2)
P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)
P1200 Fuel Pump Relay Circuit.
P1300 Igniter Circuit Malfunction – No. 1.
P1310 Igniter Circuit Malfunction – No. 2.
P1335 No Crankshaft Position Sensor Signal – Engine Running.
P1349 VVT System.
P1400 Sub-Throttle Position Sensor.
P1401 Sub-Throttle Position Sensor Range/Performance Problem.
P1405 Turbo Pressure Sensor Circuit.
P1406 Turbo Pressure Sensor Range/Performance Problem.
P1410 EGR Valve Position Sensor Circuit Malfunction.
P1411 EGR Valve Position Sensor Circuit Range/Performance.
P1500 Starter Signal Circuit.
P1510 Boost Pressure Control Circuit.
P1511 Boost Pressure Low.
P1512 Boost Pressure High.
P1520 Stop Lamp Switch Signal Malfunction.
P1565 Cruise Control Main Switch Circuit.
P1600 ECM BATT Malfunction
P1605 Knock Control CPU.
P1630 Traction Control System.
P1633 ECM.
P1652 Idle Air Control Valve Control Circuit.
P1656 OCV Circuit.
P1658 Wastegate Valve Control Circuit.
P1661 EGR Circuit.
P1662 EGR by-pass Valve Control Circuit.
P1780 Park/Neutral Position Switch Malfunction (Only For A/T)

Please keep in mind that the Toyota and Lexus brands are included in the forum because they are both owned by the same parent corporation.

Most Complete List For Toyota Check Engine Light Codes

The Toyota Check Engine Light Codes website has been created for your convenience. The following is the most comprehensive collection of Toyota problem codes currently available. When trying to figure out what is causing the service engine light to illuminate, the code definitions are an excellent place to start. But where do you go from there? We have a huge variety of resources available to assist you in resolving the issue. Here’s how we recommend you proceed in this situation. Look up the definition of your code.

  • To find out what acronyms are used in a certain field, see the acronym list by clicking on the link to the left.
  • They will give you with useful information!
  • However, if there isn’t a protocol for your manufacturer particular code, I recommend that you check for another similar generic OBD II code (these are listed numerically by system type) to get a decent notion of what to search for instead.
  • We can give information on component placement, specs, circuit color/location, and other pertinent information.
  • We do ask that you please study the information on the site first so that we can limit the number of inquiries we receive in the future.
  • It’s important to read all the way to the bottom of the page, since there is some valuable information there!
  • Let’s get started!

If you notice that one is missing, please let us know and we will add it as soon as possible!

We are well aware of how annoying it may be to search for a code definition just to discover that it is not available when you want it.

Because the list of codes on this page is fairly large, it is most convenient to utilize the “Find On This Page” tool of your browser’s “Edit” menu to locate codes on this page.

Following are the steps to take when using an OBD II scan tool to get Toyota check engine light codes: 1.

It is possible that the connection will have a detachable cover.

Start the car by turning the key in the ignition.

To retrieve the Diagnostic Trouble Codes (DTCs), follow the operational instructions provided by the scan tool maker.

All additional Toyota diagnostic issue codes may be found in our Generic OBD II code list, which you can access by clicking here.

P1126Magnetic Clutch CircuitP1127ETCS Actuator Power Source CircuitP1128ETCS Actuator Power Source Circuit P1128Throttle Control Motor Lock (Throttle Control Motor Lock) Control System for Electric Throttle (P1129) Range and performance of the P1130 Air/Fuel Sensor Circuit (Sensor 1 in Bank 1 of Sensor 1) – For assistance with this Toyota Check Engine Light Code, please see our article on Oxygen Sensor Codes.

– Additional Related Information This Toyota Check Engine Light Code is P1133 (Air/Fuel Sensor Circuit Response (Bank 1 Sensor 1)), and you can get more information about it in our article on Oxygen Sensor Codes.

Heater Circuit with Air/Fuel Sensor (P1155A/F) (Bank 1 Sensor 2) Circuit for the P1200 Fuel Pump Relay The following codes are reported: P1300Igniter Circuit Malfunction – No.

2P1335No Crankshaft Position Sensor Signal – Engine Is Running P1349VVT SystemP1400Sub-Throttle Position SensorP1401Sub-Throttle Position Sensor Range/Performance ProblemP1349VVT SystemP1400Sub-Throttle Position SensorP1401Sub-Throttle Position Sensor Range/Performance Problem Circuit for a Turbo Pressure Sensor (P1405Turbo Pressure Sensor) Problem with the range and performance of the turbo pressure sensor (P1406) Circuit Failure in the P1410EGR Valve Position Sensor Circuit – For assistance with this Toyota Check Engine Light CodeP1411EGR Valve Position Sensor Circuit Range/Performance, please see our article on EGR Valve Codes.

Please see our article on EGR Valve Codes for more information on this Toyota Check Engine Light Code.

Toyota OBD I Diagnostic Trouble Codes and Fixes

This covers Toyota Motor Corporation OBD I diagnostic andexplains how to get the codes without any special tools. The codes are listed seperately for Camry and Corolla models as needed. The codes are defined as to what system is affected. When possible we give the more commonly known OBD II component name.This information combined with proper testing procedures, specifications, and tools like a digital multimeter can help you fix the vehicle right the first time. OBD diagnostic does not have to be difficult or inconclusive. This is not meant to be a substitute for information in the factory service manuals or the product service training manuals.Centech Digital Multimeter automotive multimeter measures volts, amps, ohms, frequency, temperatures 12 Volt Test Probetest power and ground circuits easily, tests fuses without removal

Code Model Description / Probable Cause
=
12 Camry Corolla RPM Signal / Distributor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
13 Camry Corolla RPM Signal / Distributor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
14 Camry Corolla Ignition Signal / Ignitor or Circuitto ECM. ECM
=
16(1.8L) Corolla ElectronicControlled A/TSignal / Electronic Control Module malfunction (ECM PCM) or Circuit
=
21(2.2L) Camry Corolla Heated Oxygen Sensor (HO2S)Signal / O2 Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
21(3.0L) Camry Heated Oxygen Sensor (HO2S)Signal / Left O2 Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
22 Camry Corolla Coolant Temp.Sensor (CTS) Signal / Coolant Temp. Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
24 Camry Corolla Intake AirTemp. (IAT) SensorSignal / Intake Air Temp. Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
25 Camry Corolla Lean Air/FuelMixture / Loose Ground, Injector or Circuit, Fuel Pressure, IgnitionSystem, Coolant Temp. Sensor (CTS), Airflow Meter (MAF),Vacuum Sensor (MAP), Heated Oxygen Sensor (HO2S) or Circuit, Compression Pressure, Electronic Control Module malfunction (ECM PCM)
=
26 Camry Corolla Rich Air/FuelMixture /Loose Ground, Injector or Circuit, Fuel Pressure, IgnitionSystem, Coolant Temp. Sensor (CTS), Airflow Meter (MAF), Vacuum Sensor (MAP), Heated Oxygen Sensor (HO2S) or Circuit, Cold Start Injectoror Circuit,Compression Pressure, Electronic Control Module malfunction (ECM PCM)
=
27 Camry Corolla Sub-O2 SensorSignal / Sub-O2 Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
28(3.0L) Camry Right Heated Oxygen Sensor (HO2S) Signal / Right O2 Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
31(2.2L) Camry Corolla Vacuum Sensor (MAP)Signal / Vacuum Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
31(3.0L) Camry Airflow Meter (MAF) / Airflow Meter or Circuit, Electronic Control Module malfunction (ECM PCM)
=
32(3.0L) Camry Airflow Airflow Meter (MAF) / Airflow Meter or Circuit, Electronic Control Module malfunction (ECM PCM) Meter
=
41 Camry Corolla TPS Signal / Throttle Position Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
42 Camry Corolla Vehicle SpeedSensor (VSS) Signal / Vehicle Speed Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
43(2.2L) Camry Corolla Starter Signal / Starter Signal Circuit, Main Relay, Ignition Switch or Circuit,Electronic Control Module malfunction (ECM PCM)
=
43(3.0L) Camry Starter Signal / Starter Signal Circuit, Main Relay, Ignition Switch or Circuit,Electronic Control Module malfunction (ECM PCM)
=
51 Camry Corolla Switch / A/C Switch, Park/Neutral Switch or Circuit, TPS or Circuit
=
52(2.2L) Camry Corolla(1.8L) Knock SensorSignal / Knock Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
52(3.0L) Camry Left KnockSensor Signal / Knock Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
53(3.0L) Camry Knock ControlSignal / Electronic Control Module malfunction (ECM PCM)
=
55(3.0L) Camry Right KnockSensor Signal / Knock Sensor or Circuit, Electronic Control Module malfunction (ECM PCM)
=
71 Camry Corolla EGR SystemMalfunction / EGR System, EGR Temp. Sensor or Circuit, EGR-VSV,Electronic Control Module malfunction (ECM PCM)
=

Meaning of Common OBDII “Check Engine” Codes on the Toyota

Sensors that are commonly used to provide information to the ECM

  • Air / fuel sensor (in California automobiles, it substitutes one of the oxygen sensors)
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Oxygen sensor (O2) (minimum of two)
  • Engine coolant temperature sensor
  • Intake air temperature sensor
  • Throttle position sensor
  • Manifold absolute pressure sensor
  • Vehicle speed sensor
  • Position sensor for the exhaust gas recirculation valve
  • Power steering pressure sensor
  • Transmission sensors
  • And other sensors.

Air / fuel sensor (in California automobiles, it substitutes one of the oxygen sensors); Crankshaft Position Sensor; Camshaft Position Sensor; Oxygen sensor (O2) (minimum of two); Engine coolant temperature sensor; intake air temperature sensor; throttle position sensor; manifold absolute pressure sensor; vehicle speed sensor; position sensor for the exhaust gas recirculation valve; power steering pressure sensor; transmission sensors; and other sensors

  • Combustion chambers
  • Ignition coils
  • Fuel injectors
  • Air valve idling
  • EVAP Vacuum Switching Valve
  • Steam pressure sensor

Self-diagnosis codes are read by counting the number of flashes of the “CHECK ENGINE” indication when the ignition is turned on and the “TE1” – “E1” terminals of the DLC1 connection under the hood are closed, and the “TC” – “CG” terminals of the DLC3 connector under the dashboard are closed. Sensor for the position of the crankshaft (12). (P0335) Crankshaft Position Sensor (number 13) (P0335, P1335) Number 1 (P1300) and number 4 (P1300) ignition coils are used in the ignition system (P1315) 15 – Ignition system with coils No2 (P1305) and No3 (P1306) (P1310) The Automatic Transmission Control System (ATCS) is number sixteen on the list.

(P1120) Sensor for the position of the accelerator pedal (19).

(P0135) Sensor for measuring the temperature of the coolant (P0115) Sensor for measuring the temperature of the intake air (P0110) The lean signal from the oxygen sensor is number 25.

Sensor No.

(P0120, P0121) Sensor for vehicle speed (42 – Vehicle speed sensor) (P0500) 43 – The signal to start the engine 47 – Additional throttle for the position sensor Fuel Pressure Sensor (D-4) (number 49) (P0190, P0191) 51 – Status of the Breaker Sensor with a knocking sound (P0325) Knock signal (number 53) The number 55 is a knock sensor No258 that is connected to the drive SCV (D-4) (P1415, P1416, P1653) Signal VVT-i at position 59.

  • (P1349) 71 – Exhaust Gas Recirculation System (P0401, P0403) 78 represents the gasoline pump (D-4) ETCS Drive is number 89.
  • (P1210) Injectors (D-4) are number 97.
  • 11 – Norm37 – Input speed sensor with automatic calibration (P1705) Sensor for Automatic Transmission Fluid Temperature (number 38).
  • (or speed sensor rear output shaft) Hydroaccumulator with solenoid pressure control (number 46).
  • (P0753) Solenoid number 2 is represented by the number 63.
  • 67 – Input speed sensor with automatic calibration 68 – Solenoid for the Torque Converter and Clutch Control The solenoid clutch locking the center differential is numbered 73.
  • – Start the car by turning the key in the ignition.
  • – Disconnect the “TC” and “CG” terminals by removing the jumper.
  • – Start the car by turning the key in the ignition.
  • – The code of the standard should be displayed on the indicator (blink 2 times per second).
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11 – e / m valve relay relay (open circuit) 12 – E / M valve is a kind of valve (short circuit in the circuit) 13 – Relay for the electric pump (open circuit) 14 – Relay for the electric pump (short circuit in the circuit) 21 – E / m valve on the front right wheel of the vehicle (open circuit or short circuit) O/M valve on the front left wheel is numbered 22.

(circuit fault) Sensor for deceleration (number 44).

(open circuit) 51 – Circuit for an electric power supply (open circuit or short circuit in the circuit) 71 – Speed sensor for the right front wheel (low signal) 72 – Speed sensor for the front left wheel (low signal) 73 – Speed sensor for the rear right wheel (low signal) 74 – Speed sensor for the rear left wheel (low signal) 75 – Speed sensor for the right front wheel (wrong signal change) 76 – Speed sensor for the front left wheel (incorrect signal change) 77 – Speed sensor for the rear right wheel (incorrect signal change) 78 – Speed sensor for the rear left wheel (wrong signal change) Sensor for deceleration (79).

(malfunction) Concerning SRS To read the self-diagnostic codes, it is necessary to count the number of flashes on the “SRS” indicator while holding down the closed “TC” – “CG” (13-4) terminals of the DLC3 connector beneath the dashboard with the engine running and the ignition turned on.

If the codes are still present, it is important to carry out the cleaning method as shown below: – connect two wires to the terminals “TC” and “AB”- turn on the ignition and wait at least 6 seconds- alternatively short to ground the terminals “TC” and “AB”- turn on the ignition and wait at least 6 seconds (the pause between the closure is less than 0.2 seconds) – Following the third closure of the output “TC” indication, the indicator should flash with a high frequency, indicating that the codes have been cleared.

PB is the ignition key for the driver (short to ground) PB is the ignition key for the driver (short to power) PB is the driver’s ignition system (circuit closure) PB is the ignition key for the driver (open circuit) 15 – SRS sensor on the front right (short or open circuit) Sensor for the SRS front right (number 15).

51 – Passenger PB ignition switch (short to ground) 52 – Passenger PB ignition switch (short to power) 53 – Passenger PB ignition switch (short circuit in the circuit) 54 – Passenger PB ignition switch (open circuit) 61 – Pretensioner Igniter for the Driver Belt (short to ground) 62 – Pretensioner igniter for the driver’s belt (short to power) 63 – Pretensioner Igniter for the Driver Belt (Short Circuit) 64 – Belt Tensioner Igniter for the Driver’s Belt (open circuit) 71 – Passenger Pretensioner Igniter (also known as a passenger tensioner) (short to ground) 72 – Ignitor for the pretensioner of the passenger belt (short to power) 73 – Ignitor for the pretensioner of the passenger belt (short circuit) 74 – Ignitor for the pretensioner of the passenger belt (open circuit) DIAGNOSIS Information about the Toyota Connector The Toyota injection system was equipped with a DLC1 diagnostic plug until the year 1998.

  1. It is usually found on the left side of the vehicle, beneath the hood, in a box with the word “DIAGNOSIS” on it.
  2. When the ignition is turned on, this symbol appears.
  3. In order to read EFI system codes, you must reach TE1 conclusion.
  4. Take any cable (or, better yet, a low-power light probe) and connect it to the terminals “TE1” and “E1” on your computer (DLC No.1 or DLC No.2).
  5. After that, start the engine and keep an eye on the “CHECK” light (light with the image of the engine, it is also “MIL”).
  6. The number of flashes of the “O / D OFF” indicator with closed outputs “TE1” – “E1” is used to read the automatic self-diagnosis codes, and the overdrive must be activated in order to read them.
  7. This mode is characterized by the accumulation of codes occurring when the connections “E1” and “Te2” are closed prior to turning on the ignition.

Following a halt, the engine is not jammed, and the E1-Te1 connections are linked at idle, allowing the codes to be read from the engine.

Conclusion bulbs (WConclusion bulbs) Check.

OxOxygen sensor output is shown.

If you have an oscilloscope connected.

Fp Conclusion: Without starting the engine, it is possible to monitor or provide voltage to the fuel pump.

After turning on the ignition, the fuel pump will begin to operate almost immediately.

On the website, you may see a more thorough layout: “Lambda probe: Make sure it’s an American.” Tc When reading the self-diagnosis codes of the vehicle’s supplementary equipment, this device is utilized (Tc E1 overlap in the connector causes the codes to be displayed by the ABS, SRS, TRC OFF and Hight control lamps).

  • Connect the DLC1 connector’s leads “TC” and “E1” together to make a jumper.
  • Remove the jumper from the terminals labeled “TC” and “E1.” Set the jumper on the “WA” and “WB” terminals to the desired position.
  • Start the car by turning the key in the ignition.
  • In a three-second timeframe, press the brake pedal eight or more times to stop the vehicle.
  • Remove the key from the ignition.
  • SRS (Toyota) self-diagnostic codes are read in the same way as the number of flashes of the “SRS” indicator is read with the “TC” – “E1” outputs connected to the vehicle’s computer.
  • If any codes are still present, it is important to carry out the cleaning process.
  • When the ignition is turned on and the “TC” and “E1” connections are closed, Toyoty codes are read in a regular manner based on the number of flashes of the indicator light on the instrument panel.

4WS self-diagnostic codes are read using the same method as engine fault codes, based on the number of flashes of the “4WS” indicator with the “TC” – “E1” terminals of the DLC1 connector under the bonnet closed and the ignition turned on.ABE self-diagnostic codes are read using the same method as engine fault codes, based on the number of flashes of the “4WS” indicator with the “TC” – “E1” terminals Increasing the number of SRS DTCs: Connect the two wires to the terminals “TC” and “AB” on the power supply unit.

Turn on the ignition and wait at least 6 seconds; alternatively, short the “TC” and “AB” terminals once every second for at least 6 seconds (the pause between the closure is less than 0.2 second) The indicator should flash with a high frequency following the third closing of the output “TC” – this indicates that the codes have been deleted from the system.

  1. This tool is meant for reading and analyzing the self-diagnostic codes (checking voltage deviations) of the ABS and Traction Control System speed sensors, which are not detectable by conventional self-diagnostics.
  2. versions with and without an installation button, as well as models with a DLC1 connector Start the car by turning the key in the ignition.
  3. After 30 seconds, depress and hold the brake pedal until the system indicator flashes three times in a 2-second period, then release the brake pedal.
  4. It is easy to identify the installation buttons because of their characteristic form and placement near the bottom of the instrument panel on the driver’s side of the vehicle.
  5. Jump the pins “TS” and “E1” in the circuit.
  6. In order for the system to keep the right settings after this, it is important to drive for a short distance after that.
  7. In order to examine the automatic transmission, perekknut conclusions were reached.
  8. OP1 is responsible for reading immobilizer self-diagnosis codes.

Disable the Air Suspension System using Td. On automobiles equipped with OBD-II for the domestic Japanese market, the DLC No.1 connection is fitted, however there are no “Te1,” “Te2,” “W,” “Vf,” “Cco,” “Ox,” or “Ign” contacts in it; hence, extreme caution should be exercised when using it.

Toyota OBD Engine trouble Codes

Troubleshooting Codes Toyota Diagnostic Trouble Codes Toyota Trouble Codes Using the On-Board Diagnostics

Pull Toyota Codes without a scan tool

The Self Testconnector is used to retrieve diagnostic trouble codes (DTCs) from a computer for diagnostic reasons.

  1. Start by turning off the engine and opening the hood. The diagnostic connection for your Toyota may be found in the engine compartment of the vehicle. In most cases, it may be discovered underneath the passenger-side dashboard or in the rear fender. A schematic will be included in the owner’s handbook for your Toyota. A jumper wire should be used to connect the TE1 terminal to the E1 terminal. Jumper wires may be purchased in electrical stores and on the internet. The engine will start when you turn the key in the ignition
  2. Keep an eye on the check engine light and keep track of how many times it flashes. An alternating sequence of flashes will be shown on the dashboard to signify the two-digit issue code. A code 53 light will flash five times followed by a brief pause and three more flashes
  3. As an example, a code 53 light will flash five times followed by a short pause and three more flashes

The 96later models are OBD2 systems, thus a scantool is required. We have discovered that some 9495 Toyota automobiles are OBD2 compliant and so require the use of a scan tool. In order to determine whether your car is OBD2 compliant, look under the hood for an emissions decal.

Clearing trouble Codes

  • After correcting the problems, it is necessary to clear all trouble codes from the ECU’s memory storage. As a result, the code(s) would remain in the ECU’s memory eternally and would be shown along with a fresh code in the case of a subsequent malfunction
  • Remove the EFI fuse (15A) for 30 seconds while the ignition switch is turned off to remove any codes that may have been stored. If the temperature is below freezing, the fuse may need to be kept out for longer than 30 seconds. Trouble codes can also be removed by removing the vehicle’s battery for a period of time. Other memory functions (such as the clock, radio, and so on) will, however, need to be reset. After the codes have been cleared, the vehicle should be road tested (as appropriate for the issue) to see whether any codes have been reset. If this is the case, it shows that the problem area has not been properly corrected.
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DATA LINK CONNECTOR FOR TOYOTA DTC’s (Diagnostic trouble Codes) (DLC)

OBD1 Codes
1 Normal Condition.
2 Air Flow Meter signal.
3 Ignition signal.
4 Engine Coolant Temperature Sensor signal.
5 Oxygen Sensor.
6 RPM signal (Crank Angle Pulse).
7 Throttle Position Sensor signal.
8 Intake Air Temperature Sensor signal.
9 Vehicle Speed Sensor signal.
10 Starter signal.
11 Switch signal.
11 ECU/ECM.
12 Knock Control Sensor signal.
12 RPM signal.
13 Knock Control CPU (ECM).
13 RPM signal.
14 Turbocharger Pressure.
14 Ignition signal.
21 Oxygen Sensor.
22 Engine Coolant Temperature Sensor signal.
23 Intake Air Temperature Sensor signal.
24 Intake Air Temperature Sensor signal.
25 Air-Fuel Ratio Lean.
26 Air-Fuel Ratio Rich.
27 Sub Oxygen Sensor signal.
28 No. 2 Oxygen Sensor signal.
31 Air Flow Meter signal (Vacuum Sensor signal).
32 Air Flow Meter signal.
34 Turbocharger Pressure signal.
35 Turbocharger Pressure Sensor signal.
35 HAC Sensor signal.
41 Throttle Position Sensor signal.
42 Vehicle Speed Sensor signal.
43 Starter signal.
51 Switch signal.
52 Knock Sensor signal.
53 Knock Sensor signal.
54 Inter-cooler ECM signal.
71 EGR System.
72 Fuel Cut Solenoid signal.
78 Fuel Pump Control signal.
81 TCM Communication.
83 TCM Communication.
84 TCM Communication.
85 TCM Communication.

Error Codes TOYOTA & SELF-DIAGNOSTICS

The problem number 1105 appeared after I completed the installation of the on-board computer. I was unable to figure out what it meant right away. I pretty much browsed over the Internet and came up with the same codes over and over again. I had a wire break in the CPS sensor, and I’m not sure why the “CHECK ENGINE” button did not light up. The wire was cured, and the machine began to behave in a new manner. Actually, those are precisely the codes that we must employ! ENGINE: The self-diagnosis codes are read by counting the number of flashes of the “CHECK ENGINE” indication when the terminals “TE1” – “E1” of the DLC1 connection under the hood or the terminals “TC” – “CG” of the DLC3 connector under the dashboard are closed with the ignition turned on.

  • 1 (P1300) and No.
  • 2 (P1305) and No.
  • (P1120) Sensor for the position of the accelerator pedal (19).
  • (P0135) Sensor for measuring the temperature of the coolant (P0115) Sensor for measuring the temperature of the intake air (P0110) The oxygen sensor has a weak mix signal (number 25).
  • Sensor for absolute pressure (number 231) (P0105, P0106) System of turbochargers (number 34).
  • 36 (CPS) (P1105) System with variable valve timing (VVT-i) (P1656) Sensor for the throttle position (number 41).
  • The number 47 represents an additional throttle position sensor.

(P0190, P0191) 51 – The current status of the switches 52 – Sensor for knocking (P0325) Signal for detonation (number 53).

(P1210) Nozzles (D-4) are item number 97.

Manual transmission: Norm (No.

42 – A speed sensor (sometimes known as an output speed sensor) (P0500) Sensor for measuring speed (number 44).

(P1765) 61 – Sensor for measuring speed (or front output speed sensor) 62 – Solenoid number one (P0753) 63 – Solenoid Number Two (P0758) Solenoid for locking the torque converter at position 64.

– Turn the key in the ignition.

• Remove the jumper from the terminals “TC” and “CG” to complete the installation.

– Turn the key in the ignition.

– The regular code should be displayed by the indicator (flashing 2 times per second).

E/M relay valve (number 11) (open circuit) 11- E/M relay valve with a receptacle (short circuit in the chain) 13 – Relay for an electropump (open circuit) 14 – Relay for an electropump (short circuit in the circuit) 21 – The front left and right wheels are interchangeable (open or short-circuited) 22 – E / m valve on the front left-hand wheel (open or short-circuited) The rear right wheel valve (E / M) is on the 23rd position (open or short circuit) 24- The valve of the rear left wheel is located at E/m (breakage or short circuit) 31 – Speed sensor for the right front wheel (fault) 32 – Speed sensor for the front left wheel (fault) 33 – Speed sensor for the rear right wheel (fault) 34 – Speed sensor for the rear left wheel (fault) 41 – An excessively high or excessively low battery voltage Sensor for deceleration (number 43).

(fault in the circuit) Sensor for deceleration (number 44).

(open circuit) 51 – The electric pump’s power supply circuit diagram (open or short circuit in the circuit) 71 – Speed sensor for the right front wheel (low signal level) 72 – Speed Sensor for the left front wheel (Low Signal) 73 – Speed sensor for the right rear wheel (low signal level) 74 – Speed sensor on the left rear wheel (low signal level) 75 – Speed sensor on the right-hand front wheel (incorrect signal change) 76 – Speed sensor for the front left wheel (incorrect signal change) 77 – Speed sensor for the rear right wheel (incorrect signal change) 78 – Speed sensor for the rear left wheel (incorrect signal change) Sensor for deceleration (79).

(malfunction) Concerning SRS When the terminals “TC” – “CG” (13-4) of the DLC3 connector beneath the dashboard are closed and the ignition is turned on, the self-diagnosis codes are read out in the same way as the other codes, in terms of the number of flashes of the “SRS” indicator, as is the case with the other codes.

If the codes have been preserved, you must follow the following steps to clean them: – attach two wires to the terminals “TC” and “AB”- turn on the ignition and wait at least 6 seconds- connect the terminals “TC” and “AB” alternately, once per second, for a total of six connections (the pause between the closures is less than 0.2 seconds) In addition, following the third shutting of the output “TC,” the indicator should flicker rapidly, indicating that the codes have been deleted.

PB is the ignitor for the driver (short to ground) Driver’s Igniter is number twelve (short to power) Driver’s Igniter (number 13) (short circuit in the circuit) Driver’s Igniter (number 14) (break in the chain) 15 – SRS sensor on the front right (short circuit or open circuit) 15 – SRS sensor on the front right (short to ground or power) 16 – SRS sensor on the front left (short circuit or open circuit) 16 – SRS sensor on the front left (short to ground or power) Malfunction of the SRS control unit (number 31).

  • PB is the passenger’s igniter (number 51).
  • (short to power) PB is the passenger’s igniter (number 53).
  • It is usually found on the left side of the engine compartment, beneath the hood, and represents a box with the word “DIAGNOSIS” on it.
  • B + A “plus” battery is a kind of battery.
  • IGN-The output of the switch is used to control the remote tachometer’s functions.
  • “Normal mode” is used for diagnostics.
  • “T” or “TE” were used in the “old” systems.

By connecting the LED to the letter “W,” codes may be read.

“Test mode,” according to TE2Diagnostics.

After that, the automobile should go around 15 kilometers.

Remove the jumpers in the opposite sequence that they were installed.

It is possible to mimic the “Check Engine” indication light on the instrument panel by connecting a very low-power LED indicator light between “B +” and “W.” OxOxygen sensor output is shown.

If you have an oscilloscope connected.

Fp The output can be used to measure or activate a fuel pump without the need to start the engine.

When the ignition is turned on, the gasoline pump will instantly begin to operate as a result.

On the website, you may see a more thorough layout: “Lambda probe: Testing in the United States.” It is used to read the self-diagnosis codes for extra car equipment, such as the airbag (Tc E1 in the connector causes the codes to be indicated by ABS, SRS, TRC OFF and Hight control).

Connect the leads “TC” and “E1” of the DLC1 connection to the rest of the connector.

Remove the jumper from the terminals “TC” and “E1” by pressing down on them.

ABS codes must be reset.

Bring the findings of the “TC” and the “E1” together.

The usual code should be displayed by the indicator (flashing 2 times per second).

Remove the jumper from the terminals “TC” and “E1” by pressing down on them.

To read the SRS (Toyota) self-diagnosis codes, count the number of times the “SRS” indicator flashes in conjunction with the closed terminals “TC” – “E1” on the vehicle.

If the codes have been preserved, it is necessary to perform a cleaning step.

The codes are read in the conventional Toyota manner by counting the number of indicator flashes when the ignition is turned on, as well as the closed terminals “TC” and “E1.” In the same way as the ABS system’s codes are deleted, the removal of codes is accomplished in the same manner.

Remove SRS DTCs from the system by connecting two wires to the terminals “TC” and “AB.” Turn on the ignition and wait at least 6 seconds before starting the car.

Never remove the airbag defect code without first examining and determining the value of the code.

Changing the tire pressure monitoring system’s settings It is recommended that you reset the tire pressure monitoring system and its pre-setting after you have completed any repair involving the replacement of wheels, tires, or disks (the pressure in all four wheels must be adjusted correctly).

Start the car by turning the key in the ignition.

After 30 seconds, depress and hold the brake pedal until the system indicator blinks three times with a two-second gap between each blink.

The setting buttons are distinguished by their distinctive form and placement – in the bottom portion of the instrument panel on the driver’s side – on the instrument panel.

Connect the “TS” and “E1” leads together.

In order for the system to maintain the proper settings after this, it is required to travel a specific distance after the first setup.

To test the automatic transmission, it is necessary to connect the “E1-TT” together.

When the vehicle is equipped with two lambda probes, the connections for Vf1, CC0, and Ox1 for the second sensor perform functions that are comparable to those for the first sensor.

TDisabling the Air Suspension System of the vehicle. There are no connections for Te1, Te2, W, Vf, Cco, Ox, or Ign on cars with OBD-II, and the DLC No.1 connector is placed for the domestic Japanese market on vehicles with OBD-II – be cautious!

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