Toyota Sienna 2010-2026 Owners Manual: Using the air conditioning system and defogger
- Front automatic air conditioning system
- Rear automatic air conditioning system
- Heated steering wheel/seat heaters
Front automatic air
conditioning system
Air outlets and fan speed are automatically adjusted according
to the temperature setting. ...
Other materials:
Steering Angle Sensor Circuit Malfunction
DTC C1231/31 Steering Angle Sensor Circuit Malfunction
DESCRIPTION
The steering angle sensor signal is sent to the skid control ECU through the
CAN communication system.
When there is a malfunction in the communication, it will be detected by the
diagnosis function.
WIRING DIAGRAM
INS ...
Air-fuel ratio (a/f) and heated oxygen (ho2)
sensor heater monitors (front a/f and rear ho2 sensor
type)
(a) Preconditions
The monitor will not run unless:
The MIL is OFF.
(b) Drive Pattern
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Clear the DTCs.
(4) Start the engine.
(5) Allow the engine to idle for 10 minutes or more.
...
Headlight dimmer switch
COMPONENTS
REMOVAL
1. REMOVE STEERING COLUMN LOWER COVER
2. REMOVE STEERING COLUMN UPPER COVER
3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY
Disconnect the connector.
Release the claw fitting and remove the headlight
dimmer switch assembly.
INSPECTION
1. HEADLIGHT DI ...
