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:

On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check.  With the front passenger airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the instrumen ...

Automatic deactivation of the front-seat passenger airbags
Concept The system reads if the front passenger seat is occupied by measuring the human body's resistance. Front, knee, and side airbag on the front passenger's side are activated or deactivated. General information Before transporting a child on the front passenger seat, refer to the safety inform ...

Disassembly
1. Remove oil filler cap sub-assembly (A) remove the oil filler cap sub-assembly and oil filler gasket. 2. REMOVE SPARK PLUG (a) Remove the spark plugs. 3. REMOVE OIL PAN DRAIN PLUG (a) Remove the oil pan drain plug and oil pan drain plug gasket. 4. REMOVE VENTILATION VALVE SUB-ASSEMBLY ...

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