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:

Pre-collision seat belts (front seats of vehicles with pre-collision system)
If the system determines that a collision is unavoidable, the front seat belts will retract before the collision. Emergency locking retractor (ELR) The retractor will lock the belt during a sudden stop or on impact. It may also lock if you lean forward too quickly. A slow, easy motion wi ...

Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or when an airbag inflates upon collision, the fuel pump shut off system stops the supply of fuel to the engine. Follow the procedure below to restart the engine after the system is activated. Vehicles without a smart key system ...

Removal
CAUTION:  Wear safety gloves, because the sharp surfaces of the seatback frame and seat adjuster may injure your hand.  Work must be started more than 90 seconds after the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from ...

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