A9 Check Antilock Brake Control Module Ground

- Key OFF.

- Connect the breakout box with adapter to the antilock brake control module connector. Leave the antilock brake control module disconnected.

- Measure the resistance of the "BK" wire between BOB Pin 52 and ground.

- Measure the resistance of the "BK" wire between BOB Pin 58 and ground.

- Are the resistances less than 5 ohms?

YES -- Go to A10. A10 Check Wire Between DLC and Brake Control Module

NO -- Service the "BK" wire(s) in question.