A5 Check LH Front ABS Sensor to Ground

- Disconnect LH front brake anti-lock sensor connector.

- Check for resistance between each sensor connector pin (sensor side) and a known good ground.

- Is resistance 5 ohms or less?

YES -- Replace LH front brake anti-lock sensor. Restore vehicle. Retest system.

NO -- Service circuit 521 (T/O) or 522 (T/BK). Reconnect sensor connector. Restore vehicle.