Symptom:
*DECKLID AJAR CIRCUIT OPEN
DECKLID AJAR SWITCH GROUND CIRCUIT OPEN
OPEN DECKLID AJAR SWITCH
DECKLID AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE - DECKLID AJAR CIRCUIT OPEN
TEST
1
Disconnect the Decklid Ajar switch connector.
Using a 12-volt Test Light connected to 12-volts, probe the Ground circuit and test for
continuity.
Does the light illuminate?
Yes → Go To 2
→ Repair the Decklid Ajar Switch Ground circuit for an open.
No
2
Disconnect the Decklid Ajar Switch connector.
Connect a jumper wire between the Sense circuit and the Ground circuit.
With the DRBIII in Inputs/Outputs, read the DECKLID AJAR SW state.
Does the DRBIII display CLOSED?
Yes → Replace the Decklid Ajar Switch.
→ Go To 3
No
3
Disconnect the Decklid Ajar Switch harness connector.
Disconnect the BCM C3 harness connector.
Measure the resistance of the Sense circuit between the BCM C3 connector and the
Decklid Ajar Switch connector.
Is the resistance below 5.0 ohms?
Yes → Go To 4
→ Repair the Decklid Ajar Switch Sense circuit for an open.
No
4
If there are no possible causes remaining, view repair.
Repair
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
175
DOOR AJAR
APPLICABILITY
All
All
All
All