Description
Refer to the table below to determine if adjustment of steering angle sensor neutral position is required.
×: Required –: Not required
Work Procedure
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
CAUTION:
To adjust neutral position of steering angle sensor, make sure to use CONSULT.
(Adjustment cannot be done without CONSULT).
1.ALIGN THE VEHICLE STATUS
Stop vehicle with front wheels in straight-ahead position.
>> GO TO 2.
2.PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR
On the CONSULT screen, touch “WORK SUPPORT” and “ST ANG SEN ADJUSTMENT” in order.
Touch “START”.
CAUTION:
Do not touch steering wheel while adjusting steering angle sensor.
After approximately 10 seconds, touch “END”.
NOTE:
After approximately 60 seconds, it ends automatically.
Turn ignition switch OFF, then turn it ON again.
CAUTION:
Be sure to perform above operation.
>> GO TO 3.
3.CHECK DATA MONITOR
Run vehicle with front wheels in straight-ahead position, then stop
Select “DATA MONITOR”. Then make sure “STR ANGLE SIG” is within 0±2.5°.
Is the steering angle within the specified range? YES >> GO TO 4.
NO >> Perform the neutral position adjustment for the steering angle sensor again, GO TO 1
4.ERASE THE SELF-DIAGNOSIS MEMORY
Erase the self-diagnosis memory of the ABS actuator and electric unit (control unit) and ECM.
ABS actuator and electric unit (control unit): Refer to BRC-31, "CONSULT Function (ABS)".
ECM: Refer to EC-66, "CONSULT Function".
Are the memories erased? YES >> Inspection End
NO >> Check the items indicated by the self-diagnosis.
C1143 Steering angle sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1143
ST ANG SEN CIRCUIT
When a malfunction is detected in steering angle sensor.
Harness or connector
Steering angle sensor
ABS actuator and electric u ...
Basic inspection
Diagnosis and repair workflow
Work Flow
Detailed flow
1.Interview from the customer
Clarify customer complaints before inspection. First of all,
perform an interview utilizing stc-20, "diagnostic
work sheet" and reproduce symptoms as well as fully understand it. Ask customer
abou ...
Moonroof (if so equipped)
Power moonroof
The moonroof will only operate when the ignition
switch is placed in the ON position. The power
moonroof is operational for a period of time, even
if the ignition switch is placed in the ACC or OFF
position. If the driver’s door or the front passenger’s
door is opened du ...