Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, read and record DTCs and Freeze Frame data on the repair order.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK FOR HIGH RESISTANCE IN THE (F853) 5-VOLT SUPPLY CIRCUIT
- Turn the ignition off.
- Disconnect the Crankcase Pressure Sensor harness connector.
- Disconnected PCM C2 harness connector.
- Measure the resistance of the (F853) 5-Volt Supply circuit between the Crankcase Pressure Sensor harness connector and the PCM C2 harness connector.
Is the resistance below 3.0 Ohms?
Yes
- Go To 3
No
- Repair the high resistance in the (F853) 5-Volt Supply circuit.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- CHECK FOR HIGH RESISTANCE IN THE (K926) CRANKCASE PRESSURE SIGNAL CIRCUIT
- Measure the resistance of the (K926) Crankcase Pressure Signal circuit between the Crankcase Pressure Sensor harness connector and the PCM C2 harness connector.
Is the resistance below 3.0 Ohms?
Yes
- Go To 4
No
- Repair the high resistance in the (K926) Crankcase Pressure Signal circuit.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Measure the resistance of the (K926) Crankcase Pressure Signal circuit between the Crankcase Pressure Sensor harness connector and the PCM C2 harness connector.
- CHECK FOR HIGH RESISTANCE IN THE (K916) SENSOR GROUND CIRCUIT
- Measure the resistance of the (K916) Sensor Ground circuit between the Crankcase Pressure Sensor harness connector and the PCM C2 harness connector.
Is the resistance below 3.0 Ohms?
Yes
- Replace the Crankcase Pressure Sensor in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Repair the high resistance in the (K916) Sensor Ground circuit.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Measure the resistance of the (K916) Sensor Ground circuit between the Crankcase Pressure Sensor harness connector and the PCM C2 harness connector.