Symptom:
*BRAKE WARNING INDICATOR INOPERATIVE
POSSIBLE CAUSES
BRAKE WARNING INDICATOR CIRCUIT SHORT TO VOLTAGE
BRAKE WARNING INDICATOR CIRCUIT OPEN
BRAKE WARNING INDICATOR SWITCH
PARK BRAKE SWITCH
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Perform the Instrument Cluster Self Test.
Did the Brake Warning Indicator illuminate during the Self Test?
All
Yes
→ Go To 2
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Instrument Cluster C2 harness connector.
Check connectors - Clean/repair as necessary.
Measure the voltage between the Brake Warning Indicator circuit and ground.
Is there any voltage present?
All
Yes
→ Repair the Brake Warning Indicator circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
NOTE: Ensure that the Instrument Cluster harness connector is connected.
Turn the ignition off.
Disconnect the Brake Warning Indicator Switch (Pressure Switch) harness connec-
tor.
Connect a jumper wire between cavity 1 and cavity 2.
Disconnect the Park Brake Switch harness connector.
Connect a jumper wire between the Brake Warning Indicator circuit and ground.
Turn the ignition on and observe the Brake Warning Indicator.
Does the Brake Warning Indicator illuminate?
All
Yes
→ Replace the Park Brake Switch in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
153
INSTRUMENT CLUSTER