Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- After replacing the starter assembly, perform initialization of the number of starter operations stored in the engine stop and start ECU.
Refer to REGISTRATION [10/2022 - ]
- After replacing the engine stop and start ECU or air conditioning amplifier assembly, reset and perform learning of the air conditioning information in the engine stop and start ECU.
Refer to REGISTRATION [10/2022 - ]
- 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 - ]
- 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 - ]
- 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 - ]
- When the starter assembly is replaced, "ST NO. 1 relay" must be also replaced.
- Inspect the fuses for circuits related to this system before performing the following procedure.
- When disconnecting and reconnecting the battery.
Refer to WORK PROCEDURE [10/2022 - 08/2023] , or refer to WORK PROCEDURE [08/2023 - ]
HINT:
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.
Refer to AUTOMATIC LEARNING CHART [10/2022 - 08/2023] , or refer to AUTOMATIC LEARNING CHART [08/2023 - ]