Dodge ZB 2005 Service Manual page 1204

Symptom:
P0198-ENGINE OIL TEMPERATURE SENSOR VOLTAGE TOO HIGH
When Monitored and Set Condition:
P0198-ENGINE OIL TEMPERATURE SENSOR VOLTAGE TOO HIGH
When Monitored: Ignition on.
Set Condition: When the PCM recognizes the engine oil temperature sensor signal above
a specific voltage.
ENGINE OIL TEMP VOLTAGE ABOVE 4.9 VOLTS
ENGINE OIL TEMP SENSOR
(G61) ENGINE OIL TEMP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(G61) ENGINE OIL TEMP SENSOR SIGNAL CIRCUIT OPEN
(K900) SENSOR GROUND CIRCUIT OPEN
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
With the DRBIII , read Engine Oil Temp Sensor voltage.
Is the voltage above 4.9 volts?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
No
2 Turn the ignition off.
Disconnect the Engine Oil Temp Sensor harness connector.
Ignition on, engine not running.
Connect a jumper wire between the (G61) Engine Oil Temp Sensor Signal circuit and
the (K900) Sensor ground circuit in the EOT harness connector.
With the DRBIII , read the Engine Oil Temp Sensor voltage.
Is the voltage below 1.0 volt?
Yes → Replace the Engine Oil Temp Sensor.
→ Go To 3
No
NOTE: Remove the jumper wire before continuing.
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - GAS
83
APPLICABILITY
All
All