Chrysler Crossfire. Manual — part 592
(P0521) ENGINE OIL SENSOR LEVEL PERFORMANCE (CONTINUED)
15.
5-VOLT SUPPLY CIRCUIT OPEN
Turn the ignition off.
Disconnect the PCM C3 harness connector.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance of the 5-Volt Supply circuit from the Oil Sensor
harness connector to the PCM C3 harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Engine Oil Sensor.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No
>> Repair the 5-Volt Supply circuit for an open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
16.
OIL SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the PCM C3 harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Oil Sensor Signal circuit at the Oil Sensor
harness connector.
Is the voltage below 1.0 volt?
Yes
>> Go To 17
No
>> Repair the Oil Sensor Signal circuit for a short to voltage.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
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(P0521) ENGINE OIL SENSOR LEVEL PERFORMANCE (CONTINUED)
17.
5-VOLT SUPPLY CIRCUIT SHORT TO OIL SENSOR SIGNAL CIRCUIT
Turn the ignition off.
Measure the resistance between the Oil Sensor Signal circuit and the
5-Volt Supply circuit at the Oil Sensor harness connector.
Is the resistance above 100 kohms?
Yes
>> Replace and program the Powertrain Control Module.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/POWERTRAIN
CONTROL
MODULE
-
REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No
>> Repair the 5-Volt Supply circuit for a short to the Oil Sen-
sor Signal circuit.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
18.
MEASURE RESISTANCE BETWEEN GROUND AND OIL SENSOR SIGNAL CIRCUIT
Turn the ignition off.
Disconnect the PCM C3 harness connector.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance between ground and the Oil Sensor Signal cir-
cuit at the Oil Sensor harness connector.
Is the resistance above 100 kohms?
Yes
>> Go To 19
No
>> Repair the MAP Sensor Signal circuit for a short to
ground.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
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(P0521) ENGINE OIL SENSOR LEVEL PERFORMANCE (CONTINUED)
19.
SENSOR GROUND CIRCUIT SHORT TO OIL SENSOR SIGNAL CIRCUIT
With the ignition off.
Measure the resistance between the Oil Sensor Signal circuit and the
Sensor Ground circuit at the Oil Sensor harness connector.
Is the resistance above 100 kohms?
Yes
>> Go To 20
No
>> Repair the Oil Sensor Signal circuit for a short to the Sen-
sor Ground circuit.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
20.
OIL SENSOR SIGNAL CIRCUIT OPEN
Turn the ignition off.
Disconnect the PCM C3 harness connector.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance of the Oil Sensor Signal circuit from the PCM
C3 harness connector to the Oil Sensor harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Replace and program the Powertrain Control Module.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/POWERTRAIN
CONTROL
MODULE
-
REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No
>> Repair the Oil Sensor Signal circuit for an open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
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(P0521) ENGINE OIL SENSOR LEVEL PERFORMANCE (CONTINUED)
21.
INTERMITTENT WIRING AND CONNECTORS
The condition that caused this DTC to set are currently not present. Inspect the related wiring harness for a possible
intermittent condition.
Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs.
Note: Check for any Technical Service Bulletins that may apply.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the
wires while checking for shorts and open circuits.
Were there any problems found?
Yes
>> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No
>> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for
a possible intermittent condition.
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