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:

Ignition Switch Circuit
DESCRIPTION The Multiplex network body ECU receives the ACC and IG signals from the ignition switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the intelligent tester to DLC3.  Turn the ignition switch ON and push the intelligent tester main ...

Disassembly
1. REMOVE NO. 1ULTRASONIC SENSOR RETAINER (w/ Clearance Sonar System) (See page PM-19) 2. REMOVE NO. 1 ULTRASONIC SENSOR (w/ Clearance Sonar System) (See page PM-19) 3. REMOVE REAR BUMPER ENERGY ABSORBER 4. REMOVE REAR BUMPER BAR PLATE Remove the 4 clips and the rear bumper bar plate. 5. ...

Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch to the radio receiver. If there is an open in the circuit, the navigation system cannot be operated using the steering pad switch. If there is a short in the circuit, the resulting condition is the same as if ...

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