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 [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 [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 [11/2023 - ]
Inspect the fuses for circuits related to this system before performing the following procedure.
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 [11/2023 - ]

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 [11/2023 - ]
DTCs for the stop and start system are not cleared even if the malfunction has been repaired. After repairing the malfunction, be sure to clear the DTCs.