Chrysler Town and Country 2003 Owner's Manual page 785

LEFT CYLINDER LOCK SWITCH INPUT OPEN OR SHORT TO VOLTAGE
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Continued
TEST
3 Disconnect the Left Cylinder Lock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit in the
harness connector.
Does the test light illuminate brightly?
Yes → Go To 4
→ Repair the Ground circuit for an open.
No
4 Disconnect the Left Cylinder Lock Switch connector.
Measure the voltage between Cylinder Lock Switch Mux circuit and Ground in the
harness connector.
Select the voltage present.
Below 4.2 volts.
Between 4.3 volts and 5.2 volts.
Above 5.3 volts.
5 Disconnect the Left 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 Left 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
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Repair the Cylinder Lock Switch Mux circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Cylinder Lock 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
761
APPLICABILITY
All
All
All