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POSSIBLE CAUSES CAB - 12 VOLT SUPPLY CIRCUIT FAULT CAB - SIGNAL CIRCUIT FAULT WHEEL SPEED SENSOR 12 VOLT SUPPLY SHORT TO GROUND WHEEL SPEED SENSOR SIGNAL CIRCUIT INOPERATIVE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTCs. With the DRBIII t, read the Freeze Frame information. With the DRBIII t, erase DTCs. Turn the ignition off. t, read DTCs. NOTE: The CAB must sense all four wheels at 25km/h (15 mph) before it will t display SENSOR CIRCUIT FAILURE? All Yes → Go To 2 No → Go To 13 2 Turn the ignition off. All Yes → Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. No → Go To 3 3 Turn the ignition off. All Yes → Go To 6 No → Go To 4 4 Turn the ignition off. All Yes → Repair the affected Wheel Speed Sensor 12 Volt Supply circuit for a short to ground. No → Go To 5 17 BRAKES (20E) LEFT FRONT SENSOR CIRCUIT FAILURE — Continued |