Left Front Door Ajar Switch Sense Circuit Open - Chrysler Town and Country 2003 Owner's Manual

DOOR AJAR
Symptom:

*LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN

INTERMITTENT CONDITION
LEFT FRONT DOOR AJAR SWITCH GROUND CIRCUIT OPEN
LEFT FRONT DOOR (LOCK MOTOR) AJAR SWITCH
LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST
1 Open the driver door.
With the DRBIII in Inputs/Outputs, read the DR DOOR AJAR SW state.
Does the DRBIII display CLOSED?
Yes → The condition that caused this symptom is currently not present.
No
2 Disconnect the Left Front Door (Lock Motor) Ajar Switch harness connector.
Using a 12-volt Test Light connected to 12-volts, test the Ground circuit for
continuity.
Does the light illuminate?
Yes → Go To 3
No
3 Disconnect the Left Front Door (Lock Motor) Ajar Switch harness connector.
With the DRBIII in Inputs/Outputs, read the DR DOOR AJAR SW state.
Connect a jumper wire between Sense circuit and the Ground circuit.
Does the DRBIII display DR DOOR AJAR SW: CLOSED?
Yes → Replace the Left Front Door (Lock Motor) Ajar Switch.
No
4 Disconnect the Body Control Module C3 harness connector.
Disconnect the Left Front Door (Lock Motor) Ajar Switch harness connector.
Measure the resistance of the Sense circuit between the BCM C3 connector and the
Door Ajar connector.
Is the resistance below 5.0 ohms?
Yes → Replace the Body Control Module.
No
POSSIBLE CAUSES
ACTION
Inspect the related wiring harness for a possible intermittent
condition. Look for any chafed, pierced, pinched or partially
broken wires.
Perform BODY VERIFICATION TEST - VER 1.
→ Go To 2
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
→ Go To 4
Perform BODY VERIFICATION TEST - VER 1.
→ Repair the Left Front Door Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
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APPLICABILITY
All
All
All
All