Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. CHECK POWER SLIDE DOOR ECU LH

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

CHECK POWER SLIDE DOOR ECU LH

*1 Satellite switch (Slide door LH)
*2 Power slide door control switch LH
*3 Transmitter switch (Slide door LH)
*4 When all the conditions listed below are met, the warning buzzer sounds.

*5 When any condition listed below is met, the sounding warning buzzer stops.

*6 Terminal SEL is used for distinction between the power slide door ECU LH and RH. Only terminal SEL of the power slide door ECU LH is grounded.

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

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 or 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

CHECK POWER SLIDE DOOR ECU RH

*1 Satellite switch (Slide door RH)
*2 Power slide door control switch RH
*3 Transmitter switch (Slide door RH)
*4 When all the conditions listed below are met, the warning buzzer sounds.

*5 When any condition listed below is met, the sounding warning buzzer stops.

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

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

Problem symptoms table
POWER SLIDE DOOR SYSTEM Symptom Suspected Area Power slide door LH does not operate when switch* is pressed (* switch indicates satellite switch for power slide 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:

Removal
1. DRAIN ENGINE COOLANT 2. REMOVE V-BANK COVER SUB-ASSEMBLY 3. REMOVE NO. 2 AIR CLEANER INLET 4. REMOVE NO. 1 AIR CLEANER INLET 5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 6. REMOVE AIR CLEANER CASE SUB-ASSEMBLY 7. REMOVE ENGINE COOLANT TEMPERATURE SENSOR  Remove the engine coolant tem ...

Sensor signal check by test mode (signal check) (when using intelligent tester)
(a) When having replaced the skid control ECU and/or yaw rate and deceleration sensor, perform zero point calibration of the yaw rate and deceleration sensor. HINT: If the ignition switch is turned from the ON position to the ACC or off during test mode (signal check), DTCs of the signal ...

The keys
The following keys are provided with the vehicle. Vehicles without a smart key system Master keys (black) Valet key (gray) Key number plate Vehicles with a smart key system Electronic keys Operating the smart key system Operating the wireless remote contr ...

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