Diagnostic Procedure

DIAGNOSTIC INFORMATION AND PROCEDURES CHART (BRAKE WARNING INDICATOR ALWAYS ON)

TEST	ACTION	APPLICABILITY
1	NOTE: Ensure that the Base brake system functions properly and that the Brake Master Cylinder is filled with proper amount of fluid. NOTE: If equipped, diagnose and repair any ABS DTCs before continuing with this test. Turn the ignition off.Disconnect the Park Brake Switch harness connector.Turn the ignition on and observe the Brake Warning Indicator.Does the Brake Warning Indicator remain illuminated?Yes --> Go To 2No --> Replace the Park Brake Switch in accordance with the Service Information.Perform BODY VERIFICATION TEST - VER 1 .	All
2	Turn the ignition off. Disconnect the Brake Warning Indicator Switch harness connector. Connect a jumper wire between cavity 1 and cavity 2. Turn the ignition on and observe the Brake Warning Indicator. Does the Brake Warning Indicator remain illuminated? Yes --> Repair the Brake Warning Indicator circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace the Brake Warning Indicator Switch in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 .	All