Toyota Sienna Service Manual: Power back door system

Back Door Closer does not Operate

DESCRIPTION The power back door ECU controls the back door closer system. In response to the signals output from the switches related to the back door lock, the back door latch activates the clo ...

How to proceed with troubleshooting

HINT: Troubleshoot in accordance with the procedures on the following pages. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK 3 INSPECT COMMUNICATION FUNCTION OF ...

Other materials:

DTC check / clear
1. DTC CHECK (USING SST CHECK WIRE) Check the DTCs (Present trouble code).  Turn the ignition switch ON, and wait for approximately 60 seconds.  Using SST, connect terminals TC and CG of the DLC3. SST 09843-18040 NOTICE: Connect the terminals to the correct positi ...

Removal
1. REMOVE REAR WHEEL 2. REMOVE SKID CONTROL SENSOR WIRE (for 2WD) (a) Disconnect the skid control sensor connector. (b) Remove the bolt and disconnect the bracket from the rear axle beam assembly. HINT: Separate the RH side by the same procedures as the LH side. 3. SEPARATE SPEED SENSO ...

Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2)
DESCRIPTION Shifting from 1st to 5th is performed in combination with "ON" and "OFF" operation of the shift solenoid valves SL1, SL2, SL3, S4 and SR which are controlled by the ECM. If an open or short circuit occurs in either of the shift solenoid valves, the ECM cont ...