Engine Oil Level Sensor Circuit [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT ENGINE OIL LEVEL SENSOR
for HV Model: Refer to INSPECTION [12/2019 - ]
for Gasoline Model: Refer to INSPECTION [10/2022 - ]
Result
Proceed to OK NG Result:
NG
REPLACE ENGINE OIL LEVEL SENSOR
for HV Model: Refer to REMOVAL [12/2019 - ]
for Gasoline Model: Refer to REMOVAL [10/2022 - ]
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (ENGINE OIL LEVEL SENSOR - COMBINATION METER ASSEMBLY)
- Disconnect the H112 combination meter assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance (for HV Model)
Tester Connection Condition Specified Condition C34-1 (LVL) - H112-14 (OILW) Always Below 1 Ω C34-1 (LVL) or H112-14 (OILW) - Body ground Always 10 kΩ or higher Standard Resistance (for Gasoline Model)
Tester Connection Condition Specified Condition C34-1 (LOIL) - H112-14 (OILW) Always Below 1 Ω C34-1 (LOIL) or H112-14 (OILW) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [12/2019 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR