Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. CHECK POWER BACK DOOR ECU

CHECK POWER BACK DOOR ECU

  1. Disconnect the P13 and P14 ECU connectors, and check the voltage or resistance of each terminal of the wire harness side connectors

CHECK POWER BACK DOOR ECU

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 BACK DOOR ECU

CHECK POWER BACK DOOR ECU

*1 Satellite switch (Back door)
*2 Transmitter switch (Back door)
*3 When all the conditions listed below are met, the warning buzzer sounds.

*4 When any condition listed below is met, the warning buzzer turns off.

HINT: Use an oscilloscope to check the output voltages of the power back door main switch, buzzer and pulse sensor.

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

Problem symptoms table
POWER BACK DOOR SYSTEM Symptom Suspected Area Power back door does not operate when switch* is pressed (* Switch indicates the satellite switch for power back door) ...

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. NOTICE: ...

Other materials:

Diagnostic trouble code chart
1. DTCS FOR AIRBAG SYSTEM If a malfunction code is displayed during the DTC check, check the circuit listed for the code in the table below (Proceed to the page listed for that circuit). HINT:  When the SRS warning light remains on and the DTC output is the normal system code, a volta ...

Power Slide Door Pulse Sensor Malfunction on Rear Right Door
DTC B2223 Power Slide Door Pulse Sensor Malfunction on Rear Right Door DESCRIPTION  A pulse sensor is built into slide door RH for jam and foreign object detection and for slide door position detection. The jam and foreign object detection feature of the pulse sensor monitors the ...

Removal
1. REMOVE FRONT FENDER LINER LH 2. REMOVE FRONT FENDER LINER RH 3. REMOVE FRONT BUMPER COVER 4. REMOVE FRONT BUMPER ENERGY ABSORBER 5. REMOVE FRONT BUMPER REINFORCEMENT SUBASSEMBLY 6. REMOVE LASER SENSOR  Disconnect the connector and remove the laser the sensor. ...

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