Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- To prevent the key from being locked in the vehicle, make sure to enter e-latch inspection mode and enable the manual release handle before disconnecting the cable from the negative (-) auxiliary battery terminal.
- When removing or installing the shift control ECU or shift actuator ECU, make sure there is no power supplied*1 when disconnecting or connecting the connectors.
*1: Auxiliary battery, sub-battery, integrated capacitor, etc.
- When disconnecting a wire harness of any component connected to the supply power of the integrated capacitor or when removing the integrated capacitor, make sure to wait 5 minutes or more after turning the ignition switch off for self-diagnosis to complete and the voltage of the integrated capacitor to discharge.
- Before performing troubleshooting, check the fuses, connector connections and contact pressure of the relevant terminals for this circuit.
HINT:
This DTC indicates that a malfunction of the integrated capacitor is detected and a malfunction signal is being sent to the hybridvehicle control ECU.
The malfunction signal is not cleared by the GTS but will be cleared when the internal voltage of the integrated capacitor is completely discharged after the ignition switch is turned off.
Therefore, when rechecking for DTCs after replacing components, clearing the DTCs, etc., as it is necessary to clear the malfunction judgement signal from the integrated capacitor, check for or clear DTCs after waiting 10 minutes or more after turning the ignition switch off.