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Symptom List: P0032-O2 SENSOR 1/1 HEATER CIRCUIT HIGH Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0032-O2 SENSOR 1/1 HEATER When Monitored and Set Condition: P0032-O2 SENSOR 1/1 HEATER CIRCUIT HIGH When Monitored: Battery voltage above 10.6 volts, ASD is powered up, and O2 heater is off. Set Condition: The O2 heater voltage is out of range high. One trip fault. P0038-O2 SENSOR 1/2 HEATER CIRCUIT HIGH When Monitored: Battery voltage above 10.6 volts, ASD is powered up, and O2 heater is off. Set Condition: The O2 heater voltage is out of range high. One trip fault. POSSIBLE CAUSES O2 SENSOR HEATER OPERATION O2 HEATER ELEMENT O2 HEATER GROUND CIRCUIT OPEN O2 SENSOR O2 HEATER CONTROL SHORTED TO VOLTAGE 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 displayed and equal to zero? All Yes → Go To 3 No → Go To 2 37 DRIVEABILITY - NGC |