DTC P0195-11: Engine Oil Temperature Sensor Circuit Short to Ground [08/2023 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE USING GTS (CHECK FOR SHORT IN WIRE HARNESS)
Pre-procedure1
- Disconnect the engine oil temperature sensor connector.
- According to the display on the GTS, read the Data List.
*1 Engine Oil Temperature Sensor *2 ECM Powertrain > Engine > Data List
Tester Display Engine Oil Temperature Sensor Result
Result Proceed to The value of Engine Oil Temperature Sensor is -40°C A None of the above conditions are met B HINT:
-40°C=-40°F
Post-procedure1
- None.
Result:
A
REPLACE ENGINE OIL TEMPERATURE SENSOR. Refer to REMOVAL [10/2022 - ]
Result:
B
See step 2
- CHECK HARNESS AND CONNECTOR (ENGINE OIL TEMPERATURE SENSOR - ECM)
Pre-procedure1
- Disconnect the engine oil temperature sensor connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Result B7-1 (THEO) or B27-99 (THEO) - Body ground and other terminals Always 10 kΩ or higher kΩ Result
Proceed to OK NG
Post-procedure1
- None.
Result:
OK
REPLACE ECM. Refer to REMOVAL [10/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR