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:

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 side connectors. If the result is not as specified, there may be a malfunction in the wire harn ...

Installation
HINT: Install the RH side by same procedure as the LH side. 1. INSTALL REAR SPEED SENSOR (a) Install the speed sensor rear LH with the bolt. Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) NOTICE: Keep the tip of the speed sensor rear LH clean. (b) Install the sensor harness clamps with the b ...

Navigation check mode
HINT:  This mode displays GPS satellite information.  Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle. 1. ENTER DIAGNOSTIC MODE ( ) 2. NA ...

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