Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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Symptom List: P0135-O2 SENSOR 1/1 HEATER PERFORMANCE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0135-O2 SENSOR 1/1 HEATER When Monitored and Set Condition: P0135-O2 SENSOR 1/1 HEATER PERFORMANCE When Monitored: Engine Running and Heater duty cycle greater than 0% Set Condition: O2 Heater Temperature does not reach 575°C (959°F) within 45 second during monitoring conditions. Two Trip Fault. P0141-O2 SENSOR 1/2 HEATER PERFROMANCE When Monitored: Engine Running and Heater duty cycle greater than 0%. Set Condition: O2 Heater Temperature does not reach 400°C (752°F) within 45 second during monitoring conditions. Two Trip Fault. POSSIBLE CAUSES O2 SENSOR HEATER OPERATION O2 HEATER ELEMENT O2 HEATER GROUND CIRCUIT OPEN O2 HEATER CONTROL CIRCUIT OPEN PCM TEST ACTION APPLICABILITY 1 Ignition on, engine not running. t, read DTCs and record the related Freeze Frame data. Is the Good Trip Counter display and equal to zero? All Yes → Go To 3 No → Go To 2 300 DRIVEABILITY - NGC |