Toyota Sienna Service Manual: On-vehicle inspection
1. CHECK POWER REAR NO. 2 SEAT with STOWING FUNCTION
- Check the basic functions.
- Operate the fold seat switch and power rear No.2 seat switch and check to make sure each seat function works:
- Folding-down operation
- Stowing operation
- Return operation
- Reclining operation
- Park / Neutral Position Switch Circuit
- Back Door Courtesy Switch Circuit
- Indicator Circuit
- Power Source Circuit
- Fold Seat Switch Circuit
- Folding Motor Circuit
- Reclining Motor Circuit
- Release Actuator Circuit
- Lock Switch Circuit
- Rear Power Seat Switch Circuit
- Fold Lock Switch Circuit
Diagnosis system
1. CHECK DLC3
The vehicle uses ISO 15765-4 communication
protocol.
The terminal arrangement of the DLC3 complies
with SAE 1962 and matched the ISO 15765-4
format.
If the resul ...
Park / Neutral Position Switch Circuit
DESCRIPTION
The fold seat control ECU receives signals from the Park/Neutral position
switch and controls the seat
stowing and return operations. If the shift lever is in any position other than
...
Other materials:
Registration
1. REGISTRATION TRANSMITTER CODE
HINT:
The garage door opener is built in the dome lamp
assembly No.1. When transmitter codes for garage door,
gate, entry gate, door lock, home lighting system or
security system are registered with the garage door
opener, be sure to register them again wheneve ...
How to proceed with
troubleshooting
HINT:
Use the following procedures to troubleshoot the dynamic
laser cruise control system.
*: Use the intelligent tester
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PROBLEM SYMPTOM CONFIRMATION
Result
SYMPTOM SIMULATION
4 INSPECT BATTERY VOLTAGE
Stan ...
Disassembly
1. REMOVE REAR NO. 2 SEAT COVER BEZEL
Remove the 3 screws.
Disengage the 3 claws and remove the rear No. 2
seat cover bezel.
2. REMOVE REAR SEAT RECLINING COVER RH
Remove the 2 screws.
Disengage the claw and remove the rear seat
reclining cover RH.
...
