Chrysler Town and Country 2003 Owner's Manual page 631

IGNITION MUX SWITCH INPUT SHORT —
TEST
3 Turn the ignition off.
Gain access to the Body Control Module.
Disconnect the Body Control Module C4 and C5 harness connectors.
Disconnect the Ignition Switch 5-way harness connector.
Measure the resistance between the Ignition Switch Sense circuit and the Ignition
Switch Sense Return circuit.
Is the resistance below 10K ohms?
Yes → Repair the Ignition Switch Sense circuit for a short to the Ignition
→ Go To 4
No
4 Turn the ignition off.
Disconnect the Ignition Switch 5-way connector.
Disconnect the Body Control Module C4 connector.
Measure the resistance between ground and the Ignition Switch Sense Return circuit
in the BCM C4 connector.
Is the resistance below 10K ohms?
Yes → Repair the Ignition Switch Sense Return circuit for a short to
→ Replace the Body Control Module in accordance with the service
No
ACTION
Switch Sense Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
information.
Perform BODY VERIFICATION TEST - VER 1.
IGNITION, POWER, ACCESSORY
Continued
607
APPLICABILITY
All
All