Clutch Switch Circuit [01/2019 - 09/2022]: Procedure
WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, and 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT CLUTCH START SWITCH ASSEMBLY
- Inspect the clutch start switch assembly.
Refer to INSPECTION [01/2019 - 11/2022]
Result
Proceed to OK NG
Result:
NG
REPLACE CLUTCH START SWITCH ASSEMBLY. Refer to COMPONENTS [01/2019 - 11/2022]
Result:
OK
See step 2
- Inspect the clutch start switch assembly.
- CHECK HARNESS AND CONNECTOR (CLUTCH START SWITCH ASSEMBLY - POWER SOURCE)
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition A86-1 - Body ground Ignition switch ON 11 to 14 V Ignition switch off Below 1 V Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- Measure the voltage according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (CLUTCH START SWITCH ASSEMBLY - ECM)
- Disconnect the C77 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A86-2 - C77-65 (D) Always Below 1 Ω A86-2 or C77-65 (D) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [01/2019 - 09/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR