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:

Disassembly
1. REMOVE COOLER DRYER (a) Using a hexagon wrench 14 mm (0.55 in.), remove the cap from the modulator. (b) Remove the O-ring from the cap. (c) Using needle nose pliers, remove the cooler dryer. ...

For front passenger side
ON-VEHICLE INSPECTION 1. INSPECT AIR MIX CONTROL SERVO MOTOR (a) Remove the air mix control servo motor. (b) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the lever turns to "COOL" side smoothly. (c) Connect ...

Skid Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Skid Control ECU Communication Stop Mode "ABS/VSC/TRC" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to "Skid Control ...

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