Dodge ZB 2005 Service Manual page 1249

DRIVEABILITY - GAS
Symptom:
P0523-OIL PRESSURE CIRCUIT HIGH
When Monitored and Set Condition:
P0523-OIL PRESSURE CIRCUIT HIGH
When Monitored: With the ignition on and battery voltage above 10.4 volts.
Set Condition: The oil pressure sensor signal at PCM goes above 4.9 volts. One Trip
Fault.
OIL PRESSURE SENSOR VOLTAGE ABOVE 4.8 VOLTS
OIL PRESSURE SENSOR
(G60) OIL PRESSURE SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
(G60) OIL PRESSURE SIGNAL CIRCUIT OPEN
(K900) SENSOR GROUND CIRCUIT OPEN
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII in Sensors, read the Oil Pressure Sensor voltage.
Is the Oil Pressure Sensor voltage above 4.8 volts?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
No
2 Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Ignition on, engine not running.
Connect a jumper wire between the (G60) Oil Pressure Signal circuit and (K900)
Sensor ground circuit at the Sensor harness connector.
With the DRBIII in Sensors, read the Oil Pressure Sensor voltage.
Is the voltage below 1.0 volt?
Yes → Replace the Oil Pressure Sensor.
→ Go To 3
No
NOTE: Remove the jumper wire before continuing.
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 2.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
128
APPLICABILITY
All
All