TEST ACTION APPLICABILITY
3 Turn the ignition off.
Turn the ignition on.
With the DRBIIIt, record and erase DTC’s.
NOTE: If you have other DTCs, repair other DTCs first before continuing.
Turn the ignition off.
Remove ABS Valve fuse.
Perform the Key-on Bulb Check.
Does the ABS, Brake, and TCS (if equipped) Indicators remain on after the 4 second
bulb check?
All
Yes → Reinstall theABS Valve fuse in the IPM. With the DRBIIIt, erase
Instrument Cluster DTCs. Test Complete.
Perform ABS VERIFICATION TEST - VER 1.
No → Go To 4
4 Reinstall the ABS Valve fuse, if removed.
Turn the ignition off.
Turn the ignition to RUN.
Perform the Instrument Cluster self test.
NOTE: Refer to Body information for the related test(s).
Did the indicators illuminate during the Instrument Cluster self test?
All
Yes → Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No → Go To 5
5 Turn the ignition off.
Turn the ignition to RUN.
Perform the Instrument Cluster self test.
NOTE: Refer to Body information for the related test(s).
Do the indicators turn on for 4 seconds, shut off for 5-10 seconds then illuminate?
All
Yes → Test Complete.
No → Replace the Instrument Cluster in accordance with the Service
Information.
Perform ABS VERIFICATION TEST - VER 1.
16
BRAKES (CAB)
INSTRUMENT CLUSTER BULB FAILURE — Continued
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