All Doors Fail to Lock From Any Switch

Test 1 - 4:

Test 5 - 9:

SYMPTOM
ALL DOORS FAILING TO LOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Fused B(+) circuit in junction block
- Lock relay output circuit shorted to ground
- Door lock relay-open/shorted coil
- Door lock relay-shorted terminals
- Door unlock relay ground open
- Door unlock relay ground circuit open
- Junction block-lock relay control circuit open
- Body control module - lock relay control open