Caution / Notice / Hint
NOTE:
- Before replacing the engine stop and start ECU, read the number of starter operations, total number of engine starts and write it into a new engine stop and start ECU.
Refer to REGISTRATION [10/2022 - 11/2023] , or refer to REGISTRATION [11/2023 - ]
- After replacing the engine stop and start ECU or airbag ECU assembly, clear and calibrate the deceleration sensor zero point in the engine stop and start ECU.
Refer to REGISTRATION [10/2022 - 11/2023] , or refer to REGISTRATION [11/2023 - ]
- After replacing the engine stop and start ECU assembly, perform learning of the external backup boost converter (eco run vehicle converter assembly).
Refer to REGISTRATION [10/2022 - 11/2023] , or refer to REGISTRATION [11/2023 - ]
- When the engine stop and start ECU or oil pump with solenoid assembly is replaced, check the oil pump with solenoid assembly.
Refer to REGISTRATION [10/2022 - 11/2023] , or refer to REGISTRATION [11/2023 - ]
- When the ECM is replaced on a vehicle with a non-specified battery, it is necessary to perform battery type switching.
Refer to REGISTRATION [10/2022 - 11/2023] , or refer to REGISTRATION [11/2023 - ]
- Inspect the fuses for circuits related to this system before performing the following procedure.
HINT:
- Using the GTS, read the Freeze Frame Data before troubleshooting. System condition information is recorded as Freeze Frame Data the moment a DTC is stored. This information can be useful when troubleshooting.
Refer to FREEZE FRAME DATA [10/2022 - 11/2023] , or refer to FREEZE FRAME DATA [11/2023 - ]