Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. CHECK POWER SLIDE DOOR ECU LH (WITH POWER SLIDE DOOR)

CHECK POWER SLIDE DOOR ECU LH

  1. Disconnect the P25 and P26 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors.

CHECK POWER SLIDE DOOR ECU LH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.

CHECK POWER SLIDE DOOR ECU LH

If the result is not as specified, the ECU may have a malfunction.

2. CHECK POWER SLIDE DOOR ECU RH

CHECK POWER SLIDE DOOR ECU RH

  1. Disconnect the P27 and P28 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors.

CHECK POWER SLIDE DOOR ECU RH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.

CHECK POWER SLIDE DOOR ECU RH

If the result is not as specified, the ECU may have a malfunction.

3. CHECK SLIDE DOOR CLOSER RELAY LH (WITHOUT POWER SLIDE DOOR)

CHECK SLIDE DOOR CLOSER RELAY LH

  1. Disconnect the S37 relay connector, and check the voltage and resistance of each terminal of the wire harness side connectors.

CHECK SLIDE DOOR CLOSER RELAY LH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1.  Reconnect the relay connector, and check the voltage of each terminal of the connectors.

CHECK SLIDE DOOR CLOSER RELAY LH

If the result is not as specified, the relay may have a malfunction.

Problem symptoms table
SLIDE DOOR CLOSER SYSTEM Symptom Suspected Area Slide door closer LH does not operate (*1) ECU-B fuse Power slide door lock assembly LH Power slide do ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOT ...

Other materials:

Reassembly
1. INSTALL REAR DISC (a) Aligning the matchmarks, install the rear disc. HINT: Select the installation position where the disc has the minimum runout. 2. INSPECT DISC RUNOUT (a) Temporarily fasten the disc with the hub nuts. Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) (b) Using a di ...

Front Occupant Classification Sensor LH Circuit Malfunction
DTC B1780 Front Occupant Classification Sensor LH Circuit Malfunction DESCRIPTION The front occupant classification sensor LH circuit consists of the occupant classification ECU and the front occupant classification sensor LH. DTC B1780 is recorded when a malfunction is detected in the fron ...

Inspection
1. INSPECT REAR DRIVE SHAFT ASSEMBLY LH (a) Check that there is no remarkable play in the radial direction of the outboard joint. (b) Check that the inboard joint slides smoothly in the thrust direction. (c) Check that there is no remarkable play in the radial direction of the inboard ...

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