DTC P0243-13: Turbocharger/Supercharger Wastegate Solenoid "A" Circuit Open [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 VACUUM REGULATING VALVE ASSEMBLY
- Inspect the vacuum regulating valve assembly.
Refer to INSPECTION [10/2022 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE VACUUM REGULATING VALVE ASSEMBLY. Refer to REMOVAL [10/2022 - ]
Result:
OK
See step 2
- Inspect the vacuum regulating valve assembly.
- 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 C74-1 (+) - C88-20 (WGV+) Always Below 1 Ω C74-2 (-) - C88-21 (WGV-) Always Below 1 Ω C74-1 (+) or C88-20 (WGV+) - Body ground and other terminals Always 10 kΩ or higher C74-2 (-) or C88-21 (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.
- Check the DTC judgment result.
Powertrain > Engine > Utility
Tester Display All Readiness - Input the DTC: P0243-13.
Result
Result Proceed to NORMAL
(DTCs are not output)A ABNORMAL
(DTC P0243-13 is output)B
Result:
A
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2022 - ]
Result:
B
REPLACE ECM. Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]
- Clear the DTCs.