All Passenger Doors Fail to Lock and Unlock
ALL PASSENGER DOORS FAIL TO LOCK AND UNLOCKAll Passenger Doors Fail To Lock And Unlock:
POSSIBLE CAUSES
- (P35) door unlock relay output circuit open
- Door unlock relay
DIAGNOSTIC TEST
1. DTC'S PRESENT
With the scan tool, read DTCs.
Q: Are there any Power Door Lock related codes present?
YES: Refer to symptom list for problems related to POWER DOOR LOCKS/RKE.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 2
2. CHECK (P35) DOOR UNLOCK RELAY OUTPUT CIRCUIT OPEN
Turn the ignition off.
Remove the Door Unlock Relay from the Junction Block.
Using a 12-volt test light connected to ground, check the (P35) Door Unlock Relay Output circuit (cavity 30) in the relay connector.
Turn the ignition on.
With the scan tool, actuate the Door Locks (relay).
Q: Does the test light illuminate brightly when the relay is actuated?
YES: Replace the Door Unlock Relay.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Repair the (P35) Door Unlock Relay Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test