Pump Motor Fault

Tests 103 Through 108:

Tests 109 Through 114:

Symptom
Pump Motor Fault

When Monitored:
1. Ignition turned on for at least 3.5 seconds.
2. ABS main relay command given for at least 15 milliseconds.
3. CAB pump motor command given during the current ABS main relay command.

Set Condition:
4. Low feedback voltage from the low side of pump motor.
5. Criteria 1 - 4 satisfied for 30 consecutive controller checks spaced 5 milliseconds apart.

Possible Causes
- CAB connector C1 observable defect
- CAB connector ground circuit(s) open
- CAB connector observable defect
- Fused B (+) short to ground
- Fused B(+) circuit intermittent defect
- Fused B(+) circuit open
- Pump motor connector observable defect
- Pump motor wiring harness observable defect
- Pump motor MCU defective (A)
- Pump motor MCU defective (B)