Toyota Sienna Service Manual: Initialization

Toyota Sienna Service Manual / Engine hood / door / Back door closer system / Initialization

1. RESET

When the battery is reconnected: The back door is locked and therefore cannot be opened. Therefore, it is necessary to unlock the back door using the door control switch or transmitter switch.
Reset the power back door system: The power back door ECU records the fully open position and the fully closed position of the power back door in its memory and the power back door fully opens and closes based on this memory. The power back door cannot operate without this memory. In the case where the battery has been removed, manually close the back door fully to reset the power back door system. However, if the battery is removed / installed when the back door is fully open, the power back door operates normally, thus the resetting the system is unnecessary

PROBLEM SYMPTOMS TABLE

BACK DOOR CLOSER SYSTEM

Symptom	Suspected area
Back door closer does not operate	Back door lock assembly Power back door ECU Wire harness

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 L ...

Terminals of ECU

1. CHECK POWER BACK DOOR ECU Disconnect the P13 and P14 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors If the result is no ...

Other materials:

PCS (Pre-Collision System)
When the radar sensor detects possibility of a frontal collision, the pre-collision system such as the brakes and seat belts are automatically engaged to lessen impact as well as vehicle damage. Pre-collision warning When a high possibility of a frontal collision is detected, the pre-colli ...

Removal
HINT: For the parking brake cable assembly No. 2, perform the same procedure to the parking brake cable assembly No. 3. 1. REMOVE REAR WHEEL 2. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY (for Drum Type) (See page BR-37) 3. REMOVE FRONT BRAKE SHOE (for Drum Type) (See page BR-37) 4. REMOVE REAR BRAK ...

Precaution
1. INITIALIZATION NOTICE: Perform RESET MEMORY (AT initialization) when replacing the automatic transaxle assembly, engine assembly or ECM. Perform REGISTRATION (VIN registration) when replacing the ECM. HINT: Initialization cannot be completed by only removing the batt ...