C5 Check RH Rear ABS Sensor to Ground

- Disconnect RH rear brake anti-lock sensor plug.

- Check for continuity between each sensor plug pin (sensor side) and vehicle ground.

- Is continuity present?

YES -- Replace RH rear brake anti-lock sensor. Restore vehicle. Retest system.

NO -- Service circuit 523 (R/PK) or 524 (PK/BK). Reconnect sensor plug. Restore vehicle. Retest system.