RAM Read/Write

Test 1:

Symptom
RAM READ/WRITE

When Monitored and Set Condition:
RAM READ/WRITE
When Monitored: Ignition on.

Set Condition:
1. Inability to set and subsequently recognize as being set any bit in the RAM.
2. Inability to clear and subsequently recognize as being cleared any bit in the RAM.

POSSIBLE CAUSES
CAB DEFECTIVE