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Home >> Infiniti >> 2012 >> M35h V6-3.5L (VQ35HR) Hybrid >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> C Code Charts >> C1155

C1155




C1155 BRAKE FLUID LEVEL SWITCH

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. CHECK DTC DETECTION

With CONSULT
1.Turn the ignition switch OFF -> ON.

CAUTION:
- Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
- Set the vehicle to READY/Start the engine.
2.Repeat step 1 two or more times.
3.Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES- Proceed to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) harness connector.
3.Disconnect brake fluid level switch harness connector.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts. GO TO 2.

2. PERFORM SELF-DIAGNOSIS (1)

With CONSULT
1.Turn the ignition switch OFF -> ON.

CAUTION:
- Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
- Set the vehicle to READY/Start the engine.
2.Repeat step 1 two or more times.
3.Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES- INSPECTION END
NO- GO TO 3.

3. CHECK BRAKE FLUID LEVEL

1.Turn the ignition switch OFF.
2.Check brake fluid level. Removal and Replacement.
Is the inspection result normal?
YES- GO TO 5.
NO- Refill brake fluid. Refilling. GO TO 4.

4. PERFORM SELF-DIAGNOSIS (2)

With CONSULT
1.Erase Self-diagnosis result for "ABS".
2.Turn the ignition switch OFF -> ON -> OFF.

CAUTION:
Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
3.Turn the ignition switch OFF -> ON.

CAUTION:
- Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
- Set the vehicle to READY/Start the engine.
4.Repeat step 3 two or more times.
5.Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES- INSPECTION END
NO- GO TO 5.

5. CHECK BRAKE FLUID LEVEL SWITCH

Check brake fluids level switch. .
Is the inspection result normal?
YES- GO TO 7.
NO- Replace electrically-driven intelligent brake unit. Removal and Installation. GO
TO 6.

6. PERFORM SELF-DIAGNOSIS (3)

With CONSULT
1.Erase Self-diagnosis result for "ABS".
2.Turn the ignition switch OFF -> ON -> OFF.

CAUTION:
Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
3.Turn the ignition switch OFF -> ON.

CAUTION:
- Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
- Set the vehicle to READY/Start the engine.
4.Repeat step 3 two or more times.
5.Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES- GO TO 7.
NO- INSPECTION END

7. CHECK CONNECTOR AND TERMINAL

1.Turn the ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) harness connector.
3.Check ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
4.Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.
5.Disconnect brake fluid level switch harness connector.
6.Check brake fluid level switch harness connector for disconnection or looseness.
7.Check brake fluid level switch pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- GO TO 9.
NO- Repair or replace error-detected parts. GO TO 8.

8. PERFORM SELF-DIAGNOSIS (4)

With CONSULT
1.Erase Self-diagnosis result for "ABS".
2.Turn the ignition switch OFF -> ON -> OFF.

CAUTION:
Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
3.Turn the ignition switch OFF -> ON.

CAUTION:
- Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
- Set the vehicle to READY/Start the engine.
4.Repeat step 3 two or more times.
5.Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES- GO TO 9.
NO- INSPECTION END

9. CHECK BRAKE FLUID LEVEL SWITCH HARNESS

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.





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





Is the inspection result normal?
YES- GO TO 10.
NO- Repair or replace error-detected parts. GO TO 8.

10. CHECK BRAKE FLUID LEVEL SWITCH GROUND

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





Is the inspection result normal?
YES- GO TO 11.
NO- Repair or replace error-detected parts. GO TO 11.

11. CHECK COMBINATION METER

Check combination meter. Combination Meter.
Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Removal and Installation.
NO- Repair or replace combination meter. Removal and Installation.


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 electrically-driven intelligent brake unit. Removal and Installation.
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