Operation CHARM: Car repair manuals for everyone.

C1154




C1154 TRANSMISSION RANGE SWITCH

Description

The ABS actuator and electric unit (control unit) and TCM exchange signals via the CAN communication line.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. DTC REPRODUCTION PROCEDURE

1.Turn the ignition switch ON.
2.Perform self-diagnosis for "ABS" with CONSULT.
Is DTC "C1154" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) connector.
3.Check terminal for deformation, disconnection, looseness, etc.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace or repair damaged parts.

2. CHECK TCM

Perform self-diagnosis for "TRANSMISSION" with CONSULT.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts.

3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Perform self-diagnosis for "ABS" with CONSULT.
Is the inspection result normal?
YES- INSPECTION END
NO- Repair or replace error-detected parts.


Special Repair Requirement


1. ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actuator and electric unit (control unit). Description.
- END