Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. BUS CHECK

BUS CHECK

  1. Select "BUS CHECK" from the "OBD/MOBD MENU" screen.

HINT: The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the intelligent tester via the CAN VIM.

BUS CHECK

  1. Press "ENTER" on the intelligent tester.

BUS CHECK

  1. The screen displays the ECUs and sensors that are properly connected to the CAN communication system.

HINT: Properly connected ECUs or sensors that are not displayed on the screen indicate that a communication stop is occuring in the system, sensor, or ECU which is not displayed.

2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION

  1. Systems (ECUs, sensors) that use CAN communication vary depending on the vehicle's optional equipment. Check which systems (ECUs, sensors) are installed on the vehicle.

CHECK FOR INSTALLED SYSTEMS

HINT:

3. DTC TABLE BY ECU

HINT:

  1. Skid control ECU (with VSC)

HINT: DTC communication uses the CAN communication system.

DTC TABLE BY ECU

  1. ECM (with Dynamic laser cruise control)

HINT:

DTC TABLE BY ECU

  1. Gateway ECU

HINT: The network gateway ECU is connected to the CAN communication system, but CAN communication DTCs are not output.

4. DTCS COMBINATION TABLE

DTCS COMBINATION TABLE

HINT: *1: with Dynamic laser cruise control

Terminals of ECU
1. JUNCTION CONNECTOR Junction connector with VSC HINT: *1: with Dynamic laser cruise control without VSC CAN junction connector (with VSC) with VSC The connection ...

Fail-safe chart
1. FAIL-SAFE FUNCTION When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each syst ...

Other materials:

Diagnosis system
1. CHECK BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge the battery before proceeding. 2. CHECK DLC3 (a) The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 f ...

Throttle / Pedal Position Sensor/ Switch
DTC P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit DTC P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input DTC P2123 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input DTC P2125 Throttle / Pedal Position Sensor / Switch ...

Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction DESCRIPTION DTC B1795 is recorded when a malfunction is detected in the occupant classification ECU. Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output simultaneously. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK DTC ...

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