All Doors Failing to Unlock From Any Switch

Test 1 - 3:

Test 4 - 9:

Test 10:

SYMPTOM
ALL DOORS FAILING TO UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Unlock Relay Driver Circuit Shorted To Ground
- Junction Block-unlock Relay Control CKT Open
- Body Control Module
- Door Unlock Relay-Open/shorted Coil
- Door Unlock Relay-Shorted Terminals
- Junction Block Open Fused B+ CKT To Switch Side Of Relay
- Junction Block-open Fused B+ CKT To Coil Side Of Relay
- Door Lock Relay Resistance Check
- Junction Block-open Ground Circuit To Door Lock Relay