Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. DESCRIPTION

  1.  Front power seat control system data can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs.

2. CHECK DLC3

CHECK DLC3

  1.  The vehicle uses ISO 15765-4 communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.

CHECK DLC3

If the result is not as specified, the DLC3 may have a malfunction. Repair or replace the wire harness and connector.

HINT: Connect the cable of the intelligent tester to the DLC3, turn the ignition switch on and attempt to use the tester. If the screen displays a communication error message, a problem exists on the vehicle side or the tester side.

3. INSPECT BATTERY VOLTAGE

  1.  Check the battery voltage.

Voltage: 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

Terminals of ECU
1. POSITION CONTROL ECU AND SWITCH ASSEMBLY (POWER SEAT CONTROL SWITCH AND ECU)  Disconnect the P58 and P59 connectors. Check the voltage of each terminal of the wire harness sid ...

Data list / active test
1. DATA LIST HINT: Using the intelligent tester's DATA LIST allows the status of a switch, sensor, actuator and other items to be read without removing any parts. Reading the DATA LIST early in t ...

Other materials:

PBD Pulse Sensor Malfunction
DTC B2222 PBD Pulse Sensor Malfunction DESCRIPTION A pulse sensor is built into the back door for a jam and foreign object detection and for back door position detection. The jam and foreign object detection feature of the pulse sensor monitors the operating speed of the back door whi ...

Diagnostic trouble code chart
HINT: If a malfunction code is displayed during the DTC check, check the circuit indicated by the DTC. For details of each code, turn to the page for the respective "DTC Code" in the DTC chart. DTC chart of ABS: DTC chart of VSC: ...

Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch to the radio receiver. If there is an open in the circuit, the navigation system cannot be operated using the steering pad switch. If there is a short in the circuit, the resulting condition is the same as if ...

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