Toyota Sienna Service Manual: Problem symptoms table
SLIDING ROOF SYSTEM
|
Symptom |
Suspected area |
| AUTO function does not operate | Sliding roof motor assembly |
| Sliding roof system does not operate |
|
| Sliding roof system stops operation halfway |
|
Initialization
1. RESET SLIDING ROOF MOTOR
If the AUTO operation function does not operate,
reset the sliding roof motor using any of the
following methods.
Press the sliding roof switch on the TILT UP ...
On-vehicle inspection
1. CHECK AUTO SLIDE-OPEN / CLOSE FUNCTION
Check that the sliding roof switch can operate the
sliding roof glass as follows while the tilt-up / DOWN
function is not operating.
Standard
HI ...
Other materials:
Check and replace ecu
NOTICE: • The connector should not be disconnected from
the ECU. Perform the inspection from the
backside of the connector on the wire harness
side.
• When no measuring condition is specified,
perform the inspection with the engine stopped
and the ignition switch on.
• Che ...
Manual Up / Down Function does not Operate on Rear LH Only
DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the
regulator switch or the
wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (POWER SOURCE)
Disconnect the P38 regulator switch connector.
Turn ...
TRAC OFF Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and
multiplex communications.
When the traction OFF switch is turned on, the TRAC OFF indicator light will
come on (for 2WD model).
WIRING DIAGRAM
Refer to TRAC OFF Indicator Light Remains ON (See page BC-157).
...
