Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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TEST ACTION APPLICABILITY 2 Turn the ignition off. t, actuate the O2 Heater Test. With the DRBIII t, monitor O2 Sensor voltage for at least 2 minutes. Does the O2 Sensor voltage stay above 4.5 volts? All Yes → Go To 3 No → Refer to the INTERMITTENT CONDITION symptom in the Driveability category. 3 Turn the ignition off. All Yes → Go To 4 No → Replace the O2 Sensor. Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC. 4 Turn the ignition off. t, actuate the O2 Heater Test. Using a 12-volt test light connected to ground, probe the O2 Heater Control circuit in All Yes → Replace the O2 Sensor. Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC. No → Go To 5 5 Turn the ignition off. All Yes → Repair the short to ground in the O2 Sensor Heater Control circuit. No → NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as 228 DRIVEABILITY - NGC P0031-O2 SENSOR 1/1 HEATER CIRCUIT LOW — Continued |