FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Brake Warning Indicator Inoperative

*BRAKE WARNING INDICATOR INOPERATIVE


Brake Warning Indicator Inoperative:




POSSIBLE CAUSES
- Indicator circuit open
- Brake fluid level switch
- Indicator lamp
- Instrument cluster

DIAGNOSTIC TEST

1. BRAKE WARNING INDICATOR SWITCH





Turn the ignition off.
Disconnect the Brake Fluid Level Switch harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between cavity 1 and cavity 2 of the Brake Fluid Level Switch harness connector.
Turn the ignition on.

Q: Is the Brake Warning Indicator lamp on?

YES: Replace the Brake Fluid Level Switch.
Perform BODY VERIFICATION TEST. Body Verification Test
NO: Go to 2

2. MEASURE BRAKE WARNING INDICATOR CIRCUIT RESISTANCE





Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between cavity 1 and cavity 2 of the Brake Fluid Level Switch harness connector.
Measure the resistance between ground and the Brake Warning Indicator circuit.

Q: Is the resistance below 5.0 ohms?

YES: Check the Brake Warning Indicator lamp. If the lamp is OK, replace the Instrument Cluster.
Perform BODY VERIFICATION TEST. Body Verification Test
NO: Repair the Brake Warning Indicator circuit for an open.
Perform BODY VERIFICATION TEST. Body Verification Test