Symptom:
INSTRUMENT CLUSTER BULB FAILURE
When Monitored and Set Condition:
INSTRUMENT CLUSTER BULB FAILURE
When Monitored: Ignition On - Continuously
Set Condition: When the mechanical instrument cluster informs the CAB that the ABS,
Brake, and TCS (if equipped) indicators failed and can’t be illuminated.
POSSIBLE CAUSES
INSTRUMENT CLUSTER OR ABS DTC PRESENT
CHECKING INSTRUMENT CLUSTER OPERATION
INSTRUMENT CLUSTER SELF-TEST
INSTRUMENT CLUSTER INTERNAL FAULT
CAB -- INTERNAL FAULT
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, read DTCs.
Are there any Instrument Cluster or ABS DTCs present?
All
Yes → Refer to the appropriate category for the related symptom(s).
Perform ABS VERIFICATION TEST - VER 1.
No → Go To 2
2 Turn the ignition off.
Perform the Key-on Bulb Check.
Does theABS, Brake, or TCS (if equipped) indicators light and then go out after four
seconds?
All
Yes → Go To 3
No. Light remains after bulb check.
Go To 4
No. Indicator never comes on.
Go To 5
15
BRAKES (CAB)
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