Antilock Brake System (ABS): 1141

1141-ESP BRAKE PRESSURE SENSOR 1 - PLAUSIBILITY WITH RELEASE SWITCH





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.

POSSIBLE CAUSES
- ESP BRAKE PRESSURE SENSOR 1

For a complete Antilock Brake System (ABS) Circuit Diagram, (Refer to - BRAKES/ELECTRICAL - 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 DRBIII





With the DRBIII, erase DTCs. Start the engine. With an assistant to drive, use the DRBIII 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. (Refer to - BRAKES/ELECTRICAL/PRESSURE SENSOR - REMOVAL). 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