TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Using a 12 volt test lamp, test the sensor signal circuit for a short to power. Indicated
by a bright test lamp.
Is the test lamp illuminated and bright?
All
Yes
→
Repair the Oil Pressure Sensor Signal Circuit shorted to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Go To
5
5
Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
Install a jumper wire between the Sensor Signal circuit, and Sensor Ground circuit,
at the Sensor harness connector.
Turn the ignition on.
With the DRBIII
t in Sensors, read the Oil Pressure Sensor voltage.
Is the voltage below 1.0 volt?
All
Yes
→
Replace the Oil Pressure Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Test Complete.
6
At this time, the conditions required to set the DTC are not present.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Note: Refer to any technical service bulletins that may apply.
Start the engine.
With the DRBIII
t in Sensors, read the Oil Pressure Sensor voltage.
Wiggle the wiring harness and connectors from the Oil Pressure Sensor to the PCM
harness connectors.
Did the voltage change?
All
Yes
→
Repair wiring harness/connectors where the voltage changed
during the test.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Test Complete.
197
DRIVEABILITY - GAS
P0523-OIL PRESSURE SENSOR VOLTS HIGH —
Continued