909E

909E-BRAKE WEAR SENSOR CIRCUIT LOW





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
With the ignition on.

- Set Condition:
The BCM detects a short to ground on the Brake Wear Sensor Signal circuit.





Diagnostic Test

1. CHECK FOR ACTIVE DTC
Turn the ignition on.
With the scan tool, read DTCs.
Is the DTC active?

Yes

- Go To 2

No

- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.

2. BRAKE WEAR SENSOR
NOTE: Repeat this step for each sensor until defective sensor is found, or all sensors have been disconnected.

Turn the ignition off.
Disconnect one Brake Wear Sensor.
Turn the ignition on.
With the scan tool, read DTCs.
Is the DTC active?

Yes

- Go To 3

No

- Replace the appropriate Brake Wear Sensor.
- Perform the BODY VERIFICATION TEST - VER 1. Verification Tests.

3. BRAKE WEAR SENSOR CIRCUITS SHORT TO GROUND
Turn the ignition off.
Disconnect the BCM C9 harness connector.
Using the wiring diagrams, measure the resistance between ground and the Brake Wear Sensor circuits.
Is the resistance below 10K ohms?

Yes

- Repair the Brake Wear Sensor circuit for a short to ground.
- Perform the BODY VERIFICATION TEST - VER 1. Verification Tests.

No

- Replace the BCM.
- Perform the BODY VERIFICATION TEST - VER 1. Verification Tests.