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:

On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)  Perform a diagnostic system check.  Even if the airbag was not deployed, check if there is any dama ...

For vehicles equipped with vehicle stability control (vsc) system
(a) Notices when using drum tester Notices when using drum tester. (1) When using a drum tester, be sure to start the engine with the ignition switch OFF, and connect SST to the terminals TS and CG of the DLC3 before the measurement in order to cancel the VSC operation. SST 09843-18040 ...

Taking out the spare tire
Slide the front passenger’s seat to the frontmost lock position and the right side second seat to the rearmost lock position so they will not interfere with the jack handle. Open the right side sliding door and you will find the flap on the floor. Pull back the flap to find the ...

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