Chrysler Town and Country 2003 Owner's Manual page 362

COMMUNICATION
FCM, PCM COMMUNICATION FAULT —
TEST
3 Turn the ignition off.
Disconnect the PCM harness connector. Note: If equipped with NGC follow the
caution below.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the PCI Bus circuit between the DLC and the PCM
connector.
Is the resistance below 5.0 ohms?
Yes → Replace and program the Powertrain Control Module in accor-
→ Repair the PCI Bus circuit for an open.
No
ACTION
dance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Continued
338
APPLICABILITY
All