DTC P0243-13: Turbocharger/Supercharger Wastegate Solenoid "A" Circuit Open [09/2022 - 09/2024]: Procedure
WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT VACUUM REGULATING VALVE ASSEMBLY
Refer to INSPECTION [09/2022 - ]
Result
Proceed to OK NG Result:
NG
REPLACE VACUUM REGULATING VALVE ASSEMBLY
Refer to REMOVAL [09/2022 - ]
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (VACUUM REGULATING VALVE ASSEMBLY - ECM)
- Disconnect the vacuum regulating valve assembly connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C141-1(+) - C142-21 (WGV+) Always Below 1 Ω C141-2(-) - C142-22 (WGV-) Always Below 1 Ω C141-1(+) or C142-21 (WGV+) - Body ground and other terminals Always 10 kΩ or higher C141-2(-) or C142-22 (WGV-) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK WHETHER DTC OUTPUT RECURS (DTC P0243-13)
- Clear the DTCs.
Powertrain > Engine > Clear DTCs
- Turn the ignition switch off and wait for at least 30 seconds.
- Start the engine and warm it up.
- Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
- Enter the following menus.
Powertrain > Engine > Utility
Tester Display All Readiness - Input the DTC: P0243-13.
- Check the DTC judgment result.
Result
Result Proceed to NORMAL
(DTCs are not output)A ABNORMAL
(P0243-13 is output)B
Result:
A
CHECK FOR INTERMITTENT PROBLEMS
Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2022 - ]
Result:
B
REPLACE ECM
Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024]
- Clear the DTCs.