H1 Check Warning Lights

RABS Valve Mini Schematic:

- Key OFF.

- Locate and disconnect the diagnostic connector from its mating half (Circuits 571 [BK/O] and 483 [R]).

- Reconnect diagnostic connector.

- Key ON.

- Do both the red BRAKE and yellow RABS lamps come on?

YES -- Hard fault. Go to H2. H2 Verify Integrity of Electronic Control Module Connection

NO -- Intermittent fault. Go to Pinpoint Test T T Intermittent Diagnosis and proceed with intermittent diagnosis for all affected circuits. Refer to mini-schematic for this test.