Door Ajar; Hood Ajar Circuit Open (Export Only) - Chrysler Town and Country 2003 Owner's Manual

DOOR AJAR

Symptom:

*HOOD AJAR CIRCUIT OPEN (EXPORT ONLY)

HOOD AJAR SWITCH GROUND CIRCUIT OPEN
INTERMITTENT CONDITION
HOOD AJAR SWITCH
HOOD AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST
1 Open the Hood.
With the DRBIII in Inputs/Outputs, read the HOOD AJAR SW state.
Does the DRBIII display CLOSED?
Yes → The condition that caused this symptom is currently not present.
No
2 Disconnect the Hood Ajar switch 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 Hood Ajar Switch connector.
With the DRBIII in Inputs/Outputs, read the HOOD AJAR SW state.
Connect a jumper wire between Sense circuit and the Ground circuit.
Does the DRBIII display HOOD AJAR SW: CLOSED?
Yes → Replace the Hood Ajar Switch.
No
4 Disconnect the Body Control Module C3 harness connector.
Disconnect the Hood Ajar Switch harness connector.
Measure the resistance of the Hood Ajar Switch Sense circuit between the BCM C3
connector and the Hood Ajar Switch 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 Hood Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
422
APPLICABILITY
All
All
All
All