A4 Check Right Front ABS Sensor

- Remove cover from hydraulic control unit.

- Disconnect jumper harness from anti-lock brake control module.

- Check for a short between pin 8 or pin 14 of the 15-pin connector to ground.

- Check for short between pin 14 of the 15-pin connector to ground.

- Does a short to ground exist and are both wires OK?

YES -- Service or replace jumper, circuit 514 or 516, or right front brake anti-lock sensor.

NO -- Go to A5. A5 Check Right Front ABS Sensor Air Gap

Connector:

Pin Number Circuit Circuit Function

1 603 (DG) Anti-Lock Indicator Output
2 836 (O/W) ABS Data Link Connector
3 Not Used
4 521 (T/O) Left Front Brake Sensor
5 496 (O) Left Rear Brake Sensor Ground
6 494 (T/LG) Right Rear Brake Sensor Ground
7 492 (BR) Right Rear Brake Sensor
8 514 (Y/R) Right Front Brake Sensor
9 810 (R/LG) Stoplight Switch Input
10 Not Used
11 Not Used
12 522 (T/LB) Left Front Brake Sensor Ground
13 499 (GN/LB) Left Rear Brake Sensor
14 516 (Y/BK) Right Front Brake Sensor Ground