|
|
Symptom: P0523-OIL PRESSURE VOLTAGE TOO HIGH When Monitored and Set Condition: P0523-OIL PRESSURE VOLTAGE TOO HIGH When Monitored: With the ignition on. Set Condition: The PCM detects voltage on the oil pressure sensor signal circuit above 4.8 volts. POSSIBLE CAUSES OIL PRESSURE SENSOR FAILURE OIL PRESSURE SENSOR SIGNAL CIRCUIT OPEN OIL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE PCM - OIL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE PCM - OIL PRESSURE SENSOR SIGNAL OPEN SENSOR GROUND CIRCUIT OPEN INTERMITTENT CONDITION TEST ACTION APPLICABILITY 1 Turn the ignition on. All Yes → No → 2 Turn the ignition off. All Voltage is above 5.5 volts. Voltage is between 4.7 and 5.4 volts. Voltage is below 4.7 volts. 79 DRIVEABILITY - DIESEL |