DESCRIPTION
The engine oil temperature sensor (oil pressure and temperature sensor) replaces the oil temperature with electrical signals and outputs them to the ECM.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
MIL | Note |
---|---|---|---|---|---|
P019511 | Engine Oil Temperature Sensor Circuit Short to Ground |
The oil pressure and temperature sensor output voltage is less than 0.535 V for 5 seconds or more (1 trip detection logic). |
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HINT:
When a DTC is output, check the Data List item "Engine Oil Temperature Sensor" using the GTS.
Click here
DTC No. | Engine Oil Temperature Sensor |
Malfunction |
---|---|---|
P019511 |
-40°C (-40°F) |
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If the Data List displays a normal value, the normal value may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.
MONITOR DESCRIPTION
The ECM monitors the oil pressure and temperature sensor and uses the sensor voltage to calculate the engine oil temperature. If the oil pressure and temperature sensor output voltage deviates from the normal operating range, the ECM determines that the oil pressure and temperature sensor circuit is malfunctioning and stores this DTC.
Example:
If the oil pressure and temperature sensor output voltage is less than 0.535 V for 5 seconds or more, the ECM will store this DTC.
MONITOR STRATEGY
Related DTCs | P0197: Engine oil temperature sensor range check (low voltage) |
Required Sensors/Components (Main) | Engine oil temperature sensor |
Required Sensors/Components (Related) |
- |
Frequency of Operation |
Continuous |
Duration |
5 seconds |
MIL Operation |
Immediate |
Sequence of Operation |
None |
TYPICAL ENABLING CONDITIONS
Monitor runs whenever the following DTCs are not stored |
None |
Both of the following conditions are met |
- |
Auxiliary battery voltage |
8 V or higher |
Ignition switch |
ON |
TYPICAL MALFUNCTION THRESHOLDS
Engine oil temperature sensor voltage | Less than 0.535 V [-55°C (-67°F)] |
CONFIRMATION DRIVING PATTERN
HINT:
Click here
Click here
HINT:
GTS Display |
Description |
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NORMAL |
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ABNORMAL |
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INCOMPLETE |
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HINT:
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
(Select Powertrain in Health Check and then check the time stamp data.)
Click here
HINT:
Read Freeze Frame Data using the GTS. The ECM records vehicle and driving condition information as Freeze Frame Data the moment a DTC is stored. When troubleshooting, Freeze Frame Data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR |
*a | Front view of wire harness connector (to Oil Pressure and Temperature Sensor) |
HINT:
Make sure that the connector is properly connected. If it is not, securely connect it and check for DTCs again.
(a) Disconnect the oil pressure and temperature sensor connector.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Switch Condition |
Specified Condition |
---|---|---|
C41-3 (VC) - C41-2 (GND) |
Ignition switch ON | 4.5 to 5.5 V |
C41-4 (TOUT) - C41-2 (GND) |
Ignition switch ON | 3.0 to 5.5 V |
(d) Turn the ignition switch off and wait for at least 30 seconds.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Switch Condition |
Specified Condition |
---|---|---|
C41-3 (VC) - C41-4 (TOUT) |
Ignition switch off | 171 to 189 kΩ |
OK | REPLACE OIL PRESSURE AND TEMPERATURE SENSOR |
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2. |
CHECK HARNESS AND CONNECTOR (ENGINE OIL PRESSURE AND TEMPERATURE - ECM) |
(a) Disconnect the oil pressure and temperature sensor connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
---|---|---|
C41-3 (VC) - C139-99 (VCPE) |
Always | Below 1 Ω |
C41-4 (TOUT) or C139-123 (THEO) - Body ground and other terminals |
Always | 10 kΩ or higher |
OK | REPLACE ECM |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |