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:

Symptom simulation
HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such a case, a thorough problem analysis must be carried out. A simulation of the same or similar conditions and environment in which the problem occurred in the customer's vehicle should be carried out. No ...

Description of initialization
(a) Perform initialization in the following cases: Before delivery of a new vehicle. After replacement of the tire pressure warning ECU*. After replacement of the tire pressure warning valve and transmitter. Specified tire pressure changes depending on the size or type of the tire. ...

Sleep Operation Failure of Occupant Classification ECU
DTC B1796 Sleep Operation Failure of Occupant Classification ECU DESCRIPTION During sleep mode, the occupant classification ECU reads the condition of each sensor while the ignition switch is off. In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 ...

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