Manufacturer Code Charts: 12: 12.1

NOTE: This pinpoint test should not be attempted until after the base brake system has been verified to be operating correctly. This means that the red brake light should not be ON when the key is in the RUN position. See System Pre-Check section for assistance in correcting the condition of red brake light is ON when key is in the RUN position.

- Turn ignition to the OFF position.

- Release the parking brake.

- Turn ignition from the OFF position to the ON position.

- Observe REAR ABS light (after 2 second bulb prove out).

- Is REAR ABS light OFF and red BRAKE light OFF?

YES -- Leave key in the ON position Go to 12.3. 12.3

NO -- Go to 12.2. 12.2