C1199

C1199 VACUUM SENSOR





Description
The vacuum sensor converts the vacuum pressure to an electric signal and transmits it to the ABS actuator and electric unit (control unit).




DTC Logic

DTC DETECTION 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.
- 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 CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Disconnect vacuum sensor connector.
4. Check terminal for deformation, disconnection, looseness, etc.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace damaged parts.
3.CHECK VACUUM SENSOR HARNESS
Check the continuity between vacuum sensor harness connector and ABS actuator and electric unit (control unit) harness connector.





Is the inspection result normal?
YES - Replace brake booster. Refer to Exploded View.
NO - Repair or replace damaged 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). Refer to Description.
- END