Pump Motor Fault

Test 1 And 2:

Test 3 Through 7:

Test 8 Through 12:

Symptom:
PUMP MOTOR FAULT

When Monitored and Set Condition:
PUMP MOTOR FAULT

When Monitored: Ignition turned on for at least 3.5 seconds. The ABS main relay command given for at least 15 milliseconds (ms). The CAB pump motor command never given during the current ABS main relay command.

Set Condition: Low feedback voltage from the low side of the pump motor when monitored conditions have been met for 30 consecutive controller checks spaced 5 milliseconds apart.

POSSIBLE CAUSES
FUSE BLOWN - PUMP MOTOR CIRCUIT
FUSED B(+) CIRCUIT OPEN
ABS PUMP MOTOR DOES NOT ROTATE
INTERMITTENT DTC
FUSED B(+) CIRCUIT INTERMITTENTLY SHORTED TO GROUND
FUSED B(+) CIRCUIT SHORTED TO GROUND
GROUND CIRCUIT OPEN
CAB DEFECTIVE - FUSED B(+) CIRCUIT OPEN
CAB DEFECTIVE - FUSED B(+) CIRCUIT SHORTED TO GROUND
CAB DEFECTIVE - PUMP MOTOR RUNNING CONTINUOUSLY