C1155

C1155 BR FLUID LEVEL LOW

Description

The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actuator and electric unit (control unit).


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. CHECK SELF DIAGNOSTIC RESULT


With CONSULT.
1.Turn the ignition switch OFF to ON.
2.Perform self diagnostic result.
Is DTC C1155 detected?
YES- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure".
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, Coupe or VDC/TCS/ABS.

CAUTION:
Check brake fluid level in brake reservoir tank before starting inspection.

1. CONNECTOR INSPECTION

1.Turn ignition switch OFF.
2.Disconnect brake fluid level switch and combination meter connectors.
3.Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminals.
4.Reconnect connector and perform self diagnostic result. VDC/TCS/ABS.
Is the inspection result normal?
YES- Inspection End.
NO- GO TO 2

2. CHECK BRAKE FLUID LEVEL SWITCH

Perform the brake fluid level switch component inspection. Refer to "Component Inspection".
Is the inspection result normal?
YES- GO TO 3
NO- Replace brake fluid level switch. Exploded View.

3. CHECK BRAKE FLUID LEVEL SWITCH HARNESS

1.Disconnect combination meter connector.
2.Check continuity between combination meter connector M24 terminal 27 and brake fluid level switch connector E24 terminal 1.





3.Check continuity between combination meter connector M24 terminal 27 and ground.





Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace malfunctioning components.

4. CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between brake fluid level switch connector E24 terminal 2 and ground.





Is the inspection result normal?
YES- Brake fluid level switch circuit is OK.
NO- Repair or replace malfunctioning components.


Component Inspection


1. CHECK BRAKE FLUID LEVEL SWITCH

1.Turn ignition switch OFF.
2.Disconnect brake fluid level switch connector.
3.Check continuity between brake fluid level switch terminals.





Is the inspection result normal?
YES- Inspection End.
NO- Replace brake fluid level switch. Exploded View.


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). Service and Repair.
- END