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:

Precaution
NOTICE: Because the compressor operates at high voltages, wear electric insulated gloves and pull out the service plug to cut the high-voltage circuit before inspection. 1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME 2. ALWAYS WEAR EYE PROTECTION 3. BE CAREFUL NOT T ...

On-vehicle inspection
1. CHECK ACCELERATOR PEDAL ROD  Check the voltage.  Connect the intelligent tester to the DLC3.  Turn the ignition switch to the ON position. Turn the intelligent tester on.  Select the menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / ACCEL POS ...

Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION This circuit sends a signal to the stereo component amplifier to mute noise. Because of that, the noise produced by changing the sound source ceases. If there is an open in the circuit, noise can be heard from the speakers when changing the sound source. If there is a short i ...

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