Brake Warning Indicator Inoperative - Dodge Ram 2004 Service Manual

Symptom:

*BRAKE WARNING INDICATOR INOPERATIVE

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
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?
Yes → Go To 2
No
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?
Yes → Replace the Park Brake Switch in accordance with the Service
No
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?
Yes → Repair the Park Brake Switch Sense circuit for an open.
No
POSSIBLE CAUSES
ACTION
→ Go To 4
Information.
Perform BODY VERIFICATION TEST - VER 1.
→ Go To 3
Perform BODY VERIFICATION TEST - VER 1.
→ Replace and configure the Instrument Cluster in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
447
APPLICABILITY
All
All
All