Chrysler Town and Country 2003 Owner's Manual page 793

LIFTGATE CYLINDER LOCK SWITCH INPUT OPEN OR SHORT TO
VOLTAGE - (EXPORT ONLY) —
TEST
3 Disconnect the Liftgate Cylinder Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?
Yes → Go To 4
→ Repair the Ground circuit for an open.
No
4 Disconnect the Liftgate Cylinder Switch connector.
Measure the voltage between Cylinder Lock Switch Mux circuit and ground.
Select the voltage present.
Below 1.2 volts.
Between 1.3 volts and 5.2 volts.
Above 5.3 volts.
5 Disconnect the Liftgate Cylinder Door Lock Switch connector.
Disconnect the Body Control Module C3 connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Measure the voltage between Liftgate Cylinder Lock Switch Mux circuit and ground.
Is there any voltage present?
Yes → Repair the Cylinder Lock Switch Mux circuit for a short to
→ Replace the Body Control Module.
No
Continued
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Repair the Liftgate Cylinder Lock Switch Mux circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Liftgate Cylinder Switch.
Perform BODY VERIFICATION TEST - VER 1.
Go To 5
voltage.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
POWER DOOR LOCKS/RKE
769
APPLICABILITY
All
All
All