Toyota Sienna Service Manual: For driver 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 the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, then check that the lever turns to "HOT" side smoothly.
NOTICE: While using the battery during inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur.
If the operation is not as specified, replace the air mix control servo motor.
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 (-) lea ...
Other materials:
Room temperature sensor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR A/C ROOM TEMPERATURE SENSOR
(a) Remove the rear A/C room temperature sensor.
(b) Disconnect the connector from the rear A/C room
temperature sensor.
(c) Measure the resistance according to the value(s) in
the table below.
Standard resistance
NOTI ...
Precaution
1. Handling precautions on steering system
(a) Care must be taken when replacing parts. Incorrect
replacement could affect the performance of the
steering system and result in a driving hazard.
2. Handling precautions on srs airbag
system
(A) the vehicle is equipped with srs (supplemental
res ...
Open in Stop Light Switch Circuit
DTC C1249/49 Open in Stop Light Switch Circuit
DESCRIPTION
This skid control ECU inputs the stop light switch signal and detects the
status of brake operation.
The skid control ECU has an open detection circuit. If an open in the stop light
switch input line or GND
side stop light circuit ...