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:
Suspension system
How to proceed with troubleshooting
HINT:
This is the repair procedure for vehicle pull.
Problem symptoms table
FRONT SUSPENSION SYSTEM
REAR SUSPENSION SYSTEM
...
Inspection
1. V
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.V
Standard resistance
If the result is not as specified, replace the
vsv.
(B) inspect the vsv for ground.
(1) Using an ohmmeter, measure the resistance
accordin ...
Personal/interior
lights
Front
Turns the light on/off
Rear
Turns the light on/off
When the personal/interior light main switch is in the off position, the
rear personal lights will not turn on even if the switch is on.
Type A
Type B
...