F4 Check For Open Circuit

- Ignition switch OFF.

- Disconnect 4-pin and 15-pin connectors at ABS unit.

- Jump pin 1 circuit 603 (DG) of 15-pin connector to ground.

- Ignition switch ON.

- Does ABS indicator illuminate?

YES -- Go to F9.

NO -- Go to F5.

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