Caution / Notice / Hint
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Refer to the precautions before inspecting high voltage circuit.
Refer to PRECAUTION [09/2023 - ]
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.
- After the ignition switch is turned off, there may be a waiting time before disconnecting the auxiliary negative (-) battery terminal.
- When disconnecting and reconnecting the auxiliary battery.
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
- If the DTCs are cleared or the cable is disconnected and reconnected to the negative (-) auxiliary battery terminal before performing repairs, turning the ignition switch to ON (READY) may cause a malfunction. Do not turn the ignition switch to ON (READY).
- Do not turn the ignition switch to ON with the service plug grip removed, as this may cause a malfunction.
- If DTC P0AA0-73 is output, do not install the service plug grip before completing repair.
If the service plug grip is not removed, the HV battery will gradually discharge and the SOC will decrease.
HINT:
If DTC P0AA0-73 is output, the ignition switch cannot be turned to ON (READY).