C1155

C1155 BRAKE FLUID LEVEL SWITCH

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.
1.Turn ignition switch OFF to ON and wait 1 minute or more.
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, refer to "Wiring Diagram" [1][2]Antilock Brakes / Traction Control Systems.

1. CHECK BRAKE FLUID LEVEL

1.Turn the ignition switch OFF.
2.Check brake fluid level. Refer to "Inspection" Inspection.
Is the inspection result normal?
YES- GO TO 2.
NO- Refill brake fluid. Refer to "Drain and Refill" Drain and Refill.

2. CONNECTOR INSPECTION

1.Turn ignition switch OFF.
2.Disconnect combination meter connector M24 and brake fluid level switch connector E21.
3.Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace as necessary.

3. CHECK BRAKE FLUID LEVEL SWITCH

Check brake fluid level switch. Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 4.
NO- Replace reservoir tank. Refer to "Disassembly and Assembly" Overhaul.

4. CHECK BRAKE FLUID LEVEL SWITCH CIRCUIT

1.Turn the ignition switch OFF.
2.Disconnect brake fluid level switch harness connector.
3.Disconnect combination meter harness connector.
4.Check continuity between brake fluid level switch harness connector and combination meter harness connector.
Revision: March 20122013 Infiniti JX





5.Check continuity between brake fluid level switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace malfunctioning components.

5. CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between brake fluid level switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace malfunctioning components.

6. CHECK COMBINATION METER

Check if indication and operation of combination meter are normal. Refer to "METER SYSTEM : System Description" System Description.
Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Removal and Installation.
NO- Replace combination meter. Refer to "Removal and Installation" Service and Repair.


Component Inspection


1. CHECK BRAKE FLUID LEVEL SWITCH

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





Is the inspection result normal?
YES- Inspection End.
NO- Replace reservoir tank. Refer to "Disassembly and Assembly" Overhaul.
Revision: March 20122013 Infiniti JX