Engine Oil Pressure Switch Circuit [09/2022 - 11/2022]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Toyota GR Corolla, 2025 Toyota Corolla, 2024 Toyota GR Corolla, 2024 Toyota Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY
for 2ZR-FXE: Refer to INSPECTION [01/2019 - ]
for 2ZR-FAE: Refer to INSPECTION [01/2019 - 11/2022]
Result
Proceed to OK NG Result:
NG
REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY
for 2ZR-FXE: Refer to REMOVAL [01/2019 - ]
for 2ZR-FAE: Refer to REMOVAL [01/2019 - 11/2022]
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (ENGINE OIL PRESSURE SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY)
- Disconnect the I5 combination meter assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C39-1 - I5-9 (S)*1
C39-1 - I5-23 (S)*2Always Below 1 Ω C39-1 or I5-9 (S) - Body ground*1
C39-1 or I5-23 (S) - Body ground*2Always 10 kΩ or higher - *1: for TMC Made
- *2: for TMMC Made
Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [09/2022 - 11/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR