Symptom:
*BRAKE WARNING INDICATOR INOPERATIVE
POSSIBLE CAUSES
BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT OPEN
BRAKE FLUID LEVEL SWITCH
BRAKE FLUID LEVEL SWITCH SENSE CIRCUIT OPEN
PARK BRAKE SWITCH
PARK BRAKE SWITCH SENSE CIRCUIT OPEN
CONTROL MODULE
INSTRUMENT CLUSTER
TEST ACTION APPLICABILITY
1 NOTE: Diagnose and repair any MIC, ABS, or Communication DTCs before
proceeding with this test.
Is the Brake warning indicator only inoperative using the Park Brake?
All
Yes → Go To 2
No → Go To 4
2 Disconnect the Park Brake Switch harness connector.
Connect a jumper wire between the Park Brake Switch Sense circuit and ground.
Turn the ignition on.
Observe the BRAKE indicator.
Did the BRAKE indicator illuminate?
All
Yes → Replace the Park Brake Switch in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 Turn the ignition off.
Disconnect the Park Brake Switch harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Measure the resistance of the Park Brake Switch Sense circuit.
Is the resistance above 5.0 ohms?
All
Yes → Repair the Park Brake Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No → Replace and configure the Instrument Cluster in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
447
INSTRUMENT CLUSTER
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