C1142

C1142 PRESS SENSOR

Description

The pressure sensor converts the brake fluid pressure to an electric signal and transmits it to the ABS actuator and electric unit (control unit). [The pressure sensor is integrated in the ABS actuator and electric unit (control unit).]


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn the 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 OFF to ON.
2.Perform self-diagnosis for "ABS" with CONSULT.
Is DTC "C1142" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK STOP LAMP SWITCH

Check the stop lamp switch system. C1116.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. CHECK BRAKE SYSTEM

1.Check the brake fluid leakage: Removal and Replacement.
2.Check the brake piping: Inspection (front), Inspection (rear).
3.Check the brake pedal: Adjustments.
4.Check the master cylinder: Inspection.
5.Check the brake booster: Inspection and Adjustment.
6.Check the brake booster pressure sensor: Inspection.
7.Check the vacuum lines: Inspection.
8.Check the front disc brake: Inspection (1 piston type), Inspection (4 piston type).
9.Check the rear disc brake: Inspection (1 piston type), Inspection (2 piston type).
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts.

3. PERFORM SELF-DIAGNOSIS

Perform self-diagnosis for "ABS" with CONSULT.
Is DTC "C1142" detected?
YES- Replace ABS actuator and electric unit (control unit). Exploded View.
NO- Check the ABS actuator and electric unit (control unit) harness connector terminals for damage or loose connection with harness connector. If any items are damaged, 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) or steering angle sensor and removing steering angle sensor. Special Repair Requirement.
- END