Symptom:
*PASSENGER DOOR UNLATCH INOPERATIVE
POSSIBLE CAUSES
DTC PRESENT
LATCH MOTOR
PASSENGER DOOR UNLATCH DRIVER CIRCUIT OPEN
PASSENGER DOOR UNLATCH RETURN CIRCUIT OPEN
BODY CONTROL MODULE - LATCH DRIVER OPEN
TEST ACTION APPLICABILITY
1 With the DRBIIIt, read DTC’s.
Does the DRBIIIt display any Door Lock related trouble codes?
All
Yes → Refer to symptom list for problems related to POWER DOOR
LOCKS/RKE.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 Disconnect the Latch Motor connector.
Connect a 12-volt test light between the Passenger Door Unlatch Driver circuit and
the Passenger Door Unlatch Return circuit.
With the DRBIIIt, actuate the UNLATCH PASS DOOR and then actuate RETURN
LATCH.
Did the test light illuminate brightly when the door was actuated?
All
Yes → Replace the Latch Motor.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 3
3 Disconnect the Body Control Module C2 connector.
Disconnect the Latch Motor connector.
Measure the resistance of the Passenger Door Unlatch Driver circuit between the
BCM C2 connector and the Latch Motor connector.
Is the resistance below 5.0 ohms?
All
Yes → Go To 4
No → Repair the Passenger Door Unlatch Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Disconnect the Body Control Module C2 connector.
Disconnect the Latch Motor connector.
Measure the resistance of the Passenger Door Unlatch Return circuit between the
BCM C2 connector and the Latch Motor connector.
Is the resistance below 5.0 ohms?
All
Yes → Go To 5
No → Repair the Passenger Door Unlatch Return circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
333
POWER DOOR LOCKS/RKE
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