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
INSPECTION PROCEDURE
HINT:
1 INSPECT STEERING ANGLE SENSOR
(a) Remove the steering wheel and the column lower cover.
(b) Disconnect the steering angle sensor connector.
(c) Turn the ignition switch to the ON position.
(d) Measure the voltage according to the value(s) in the table below.
Standard voltage
(e) Measure the voltage according to the value(s) in the table below.
Standard voltage
REPLACE STEERING ANGLE SENSOR
Throttle / Pedal Position Sensor
HINT:
These DTCs relate to the Accelerator Pedal Position (APP) sensor.
DESCRIPTION
HINT:
This ETCS (Electronic Throttle Control System) does not use a throttle cable.
The Accelerator Pedal Position (APP) sensor is integrated with the accelerator
pedal bracket and has 2
sensor circuits ...
Aluminum wheel precautions
Use only Toyota wheel nuts and wrenches designed for use with
your aluminum wheels.
When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
Be careful not to damage the aluminum wheels when using tire
chains.
Use o ...
Removal
1. REMOVE ENGINE AND TRANSAXLE
HINT:
(See page EM-26)
2. REMOVE AUTOMATIC TRANSMISSION WITH
TRANSFER
HINT:
(See page AX-164)
3. REMOVE NO. 1 TRANSFER CASE PLUG
(a) Remove the No. 1 transfer case plug.
(b) Remove the No. 1 gasket from the transfer case No.
1 plug.
4. REMOVE NO. 2 T ...