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:

Perform zero point calibration of yaw rate and deceleration sensor (when using sst check wire)
NOTICE: While obtaining the zero point, do not vibrate the vehicle by tilting, moving or shaking it and keep it in a stationary condition. (Do not turn the ignition switch to the ON position.) Be sure to do this on a level surface (with an inclination of less than 1 %). (a) Proc ...

Terminals of ECU
1. CHECK POWER BACK DOOR ECU Disconnect the P13 and P14 ECU connectors, and check the voltage or resistance of each terminal of the wire harness side connectors If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the ECU connector ...

Power Seat Motor Circuit
DESCRIPTION When the power seat control switch is operated, a command signal is sent to the position control ECU and switch assembly (power seat control switch and ECU). The front power seat switch then controls the appropriate seat motor as needed. This memory system does not use a seat po ...

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