Additional All Doors Failing to Lock From Any Switch

Tests 1 - 4:

Tests 5 - 7:

SYMPTOM
ADDITIONAL ALL DOORS FAILING TO LOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Fused B(+) circuit voltage too low at junction block
- Door lock relay control circuit from BCM fails
- Key-In ignition switch circuit to BCM defective
- Door lock relay does not operate
- Door lock relay coil resistance out of tolerance
- Door lock relay output shorted to ground
- Ignition switch defective
- Key-In ignition switch sense circuit shorted to ground.