Chrysler 300M 2002 Service Manual page 1900

Symptom:
*LEFT REAR DOOR AJAR CKT OPEN
GROUND CKT OPEN
LEFT REAR DOOR AJAR SWITCH SENSE CKT OPEN
LEFT REAR DOOR LOCK MOTOR/AJAR SWITCH OPEN
BODY CONTROL MODULE
TEST
1 Disconnect the Left Rear Door Lock Motor/Ajar Switch harness connector.
Using a 12-volt Test Light connected to 12-volts, check the Left Rear Door Ajar
Switch Ground circuit.
Does the test light illuminate?
Yes → Go To 2
No
2 Disconnect the Left Rear Door Lock Motor/Ajar Switch harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Left Rear Door Ajar Switch Sense circuit between the
Left Rear Door Lock Motor/Ajar Switch connector and the BCM C4 connector.
Is the resistance below 5.0 ohms?
Yes → Go To 3
No
3 Disconnect the BCM C4 harness connector.
Using a 12-volt Test Light connected to 12-volts, check the Left Rear Door Ajar
Switch Sense circuit at the BCM C4 connector.
Open the Left Rear Door.
Does the test light illuminate when the Left Rear Door is opened ?
Yes → Replace and program the Body Control Module.
No
POSSIBLE CAUSES
ACTION
→ Repair the ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
→ Repair the Left Rear Door Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
→ Replace the Left Rear Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
177
DOOR AJAR
APPLICABILITY
All
All
All