Chrysler Town and Country 2003 Owner's Manual page 529

TURN SIGNAL SWITCH INPUT OPEN —
TEST
3 Turn the ignition off.
Disconnect the Body Control Module C5 harness connector.
Disconnect the Multifunction Switch harness connector.
Measure the resistance of the Turn Signal Switch MUX circuit from the Body Control
Module connector to the Multifunction Switch harness connector.
Is the resistance above 5.0 ohms?
Yes → Repair the Turn Signal Switch MUX circuit for an open.
→ Go To 4
No
4 Turn the ignition off.
Disconnect the Body Control Module C4 harness connector.
Disconnect the Multifunction Switch harness connector.
Measure the resistance of the Multifunction Switch MUX Return circuit from the
Body Control Module connector to the Multifunction Switch harness connector.
Is the resistance above 5.0 ohms?
Yes → Repair the Multifunction Switch MUX Return circuit for an open.
→ Replace the Body Control Module.
No
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
EXTERIOR LIGHTING
Continued
505
APPLICABILITY
All
All