PC4

- Verify that an ABS concern has been detected (ABS warning light ON).

- Key OFF.

- Using Rotunda(r) Super Star II Tester 007-0041B or equivalent.

- Connect tester to red ABS data link connector located near ECU.

- Turn test power ON and put HOLD/TEST button in TEST position.

NOTE: Tester must be in the slow mode.

- Using 12V test light or ABS warning light:

- Locate red ABS data link connector near ECU and install 12V test light between Pins C (Circuit 603 [DG]) and E (Circuit 57 [BK]).

- If no test light is available, ABS warning light will flash.

- Jumper ABS data link connector Pins B (Circuit 606 [W/LB]) and E (Circuit 57 [BK]).

- Is equipment hooked up properly?

YES -- Go to PC5. PC5

NO -- Re-attempt PC4. Service as required.