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Symptom: *ABS WARNING INDICATOR INOPERATIVE POSSIBLE CAUSES INSTRUMENT CLUSTER CONCERN ABS RELAY STUCK ABS RELAY GROUND CIRCUIT OPEN ABS RELAY CONTROL CIRCUIT SHORT TO GROUND CAB INTERNAL SHORT TO GROUND ABS INDICATOR BULB OPEN ABS INDICATOR DRIVER OPEN INSTRUMENT CLUSTER INTERNAL OPEN TEST ACTION APPLICABILITY 1 Perform the key-on bulb check. All Yes → Go To 2 No → Refer to symptom list for problems related to Instrument Cluster. Perform ABS VERIFICATION TEST - VER 1. 2 Install a substitute relay in place of the ABS relay. All Yes → Replace the ABS relay. Perform ABS VERIFICATION TEST - VER 1. No → Go To 3 3 Remove the ABS relay from PDC. All Yes → Go To 4 No → Go To 6 4 Remove the ABS relay from the PDC. All Yes → Go To 5 No → Repair the ABS relay Ground circuit for an open. Perform ABS VERIFICATION TEST - VER 1. 35 BRAKES (CAB) |