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:
For front passenger side
ON-VEHICLE INSPECTION
1. INSPECT AIR MIX CONTROL SERVO MOTOR
(a) Remove the air mix control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lead to terminal 5, then
check that the lever turns to "COOL" side smoothly.
(c) Connect ...
Calibrating the compass
The direction display deviates from the true direction determined by
the earth’s magnetic field. The amount of deviation varies according to
the geographic position of the vehicle.
If you cross over a map boundary shown in illustration, the compass will
deviate.
To obtain higher preci ...
Description of initialization
(a) Perform initialization in the following cases:
Before delivery of a new vehicle.
After replacement of the tire pressure warning
ECU*.
After replacement of the tire pressure warning
valve and transmitter.
Specified tire pressure changes depending on
the size or type of the tire.
...
