PC2

- Key OFF.

- Make sure parking brake is OFF.

- Verify that the 40 way connector is fully seated.

- Key ON.

- Do both lights come ON and then go OFF?

YES -- Both warning lamps prove out normally. Go to PC3 to retrieve any available DTCs. PC3

NO -- Amber ABS lamp stays ON by itself. ABS system fault is indicated. Go to PC3 to retrieve any available DTCs. PC3

NO -- Red lamp stays ON by itself. Go to Pinpoint Test AB. AB Shorted Brake Lamp/Foundation Brake System Failure

NO -- One or both lamps never come ON. Go to PC5. PC5