C1199

C1199 BRAKE BOOSTER





Description
The brake booster pressure sensor of engine converts the vacuum pressure to an electric signal and transmits it to the ABS actuator and electric unit (control unit) by CAN.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
1. Turn the ignition switch ON.
2. Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is DTC "C1199" detected?
YES - Proceed to diagnosis procedure. Refer to C1199.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK BRAKE BOOSTER AND VACUUM HOSE
Check brake booster and vacuum hose.
- Brake booster: Refer to Inspection and Adjustment.
- Vacuum hose: Refer to Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace brake booster or vacuum hose.
- Brake booster: Refer to Exploded View.
- Vacuum hose: Refer to Exploded View.
2.CHECK THE ECM
1. Check the DTC "P0555" display with the self-diagnosis function of ECM, and repair or replace error-detected parts. Refer to P0555.
2. After repair or replace, erase ECM and ABS actuator and electric unit (control unit) self-diagnosis results. Refer to On Board Diagnostic (OBD) System Diagnosis Description (ECM), Scan Tool Testing and Procedures [ABS actuator and electric unit (control unit)].
3. Perform the self-diagnosis again, and check that the malfunction is repaired completely.
- INSPECTION END