Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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Symptom: *NO RESPONSE FROM ECM (SCI ONLY) - DIESEL ONLY POSSIBLE CAUSES CHECK ECM POWERS AND GROUNDS CABIN HEATER ASSIST SCI TRANSMIT CIRCUIT SHORTED TO VOLTAGE SCI TRANSMIT CIRCUIT SHORTED TO GROUND SCI TRANSMIT CIRCUIT OPEN ENGINE CONTROL MODULE TEST ACTION APPLICABILITY 1 Perform the symptom Checking ECM Power and Ground Circuits in the Driveability All Yes → Go To 2 No → Repair as necessary. Perform ROAD TEST VERIFICATION - VER-2. 2 Turn the ignition off. All Yes → Go To 3 No → Go To 4 3 Turn the ignition off. All Yes → Repair the SCI Transmit circuit for a short to ground. Perform ROAD TEST VERIFICATION - VER-2. No → Replace the Cabin Heater Assist in accordance with the service information. 4 Turn the ignition off. All Yes → Repair the SCI Transmit circuit for a short to voltage. Perform ROAD TEST VERIFICATION - VER-2. No → Go To 5 372 COMMUNICATION |