ABM Internal

Symptom:
ABM INTERNAL

When Monitored:
Ignition On - Continuously

Set Condition:
When one of two internal CPUs, fails the programmed self test within the ABM.

Test 1-2:

Test 3-7:

POSSIBLE CAUSES
- INTERMITTENT DTC
- DAMAGED ABM/ABM HARNESS CONNECTOR
- FUSED RUN RELAY OUTPUT CIRCUIT OPEN
- ABS VALVE FUSED B(+) CIRCUIT OPEN
- ABS PUMP FUSED B(+) CIRCUIT OPEN
- ABM - GROUND CIRCUIT OPEN
- ABM - INTERNAL FAULT