Antilock Brake System (ABS): 1188

1188 - BAS TRAVEL SENSOR PLAUSIBILITY WITH PRESSURE GRADIENT





When Monitored and Set Condition

- When Monitored: With the ignition On. The Controller Antilock Brake (CAB) monitors the status of the ESP Brake Pressure Sensor.
- Set Condition: The Controller Antilock Brake (CAB) will set this DTC if the calculated ESP Brake Pressure Sensor 1 is out of the specified range.





For a complete Antilock Brake System (ABS) Circuit Diagram Refer to BRAKES - SCHEMATICS And DIAGRAMS Schematics And Diagrams.



1. VISUALLY INSPECT COMPONENTS FOR DAMAGE AND CORRECT INSTALLATION

Visually inspect the ESP Brake Pressure Sensor 1 for damage and correct installation.

Are there any visible Brake Pressure Sensor 1 concerns?

Yes

- Correct the sensor concerns as necessary.
- Perform ABS Verification Test. ABS Verification Test

No

- Go to 2


2. MONITOR THE CAB WITH THE DRB III(R)





With the DRB III(R), erase DTCs.

Start the engine.

With an assistant to drive, use the DRB III(R) to monitor the CAB module DTCs while performing road test.

Is the ESP Brake Pressure Sensor 1 DTC set?

Yes

- Replace the ESP Brake Pressure Sensor 1.
- Perform ABS Verification Test. ABS Verification Test

No

- Inspect and repair the related wiring harness for a possible intermittent condition.
- Perform ABS Verification Test. ABS Verification Test