FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Circuit Operation

CIRCUIT OPERATION
Circuit D21 is used for diagnostics of a fault within the ABS system. It is spliced in with the Powertrain Control Module (PCM) circuits, and is used as an output from the Controller Anti Lock Brake (CAB). Circuit D21 connects to cavity 51 of the CAB connector