Removal [03/2024 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN COOLANT (for Inverter)
Refer to PROCEDURE - Step 1
REMOVE HEADLAMP UNIT ASSEMBLY RH
- for LED Type Turn Signal Light:
  Refer to REMOVAL [11/2021 - ]
- for Bulb Type Turn Signal Light:
  Refer to REMOVAL [11/2021 - ]

REMOVE WASHER INLET SUB-ASSEMBLY

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Place Hand Here

Remove in this Direction

REMOVE INVERTER WATER PUMP ASSEMBLY

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

No. 2 Inverter Cooling Hose

No. 3 Inverter Cooling Hose

Disconnect the inverter water pump assembly connector.
NOTE:
To prevent coolant from entering the inverter water pump assembly connector, perform the following procedure.
- Wipe off any coolant around the inverter water pump assembly connector before disconnecting it.
- Apply insulating tape to the connectors of the wire harness and inverter water pump assembly to prevent the entry of coolant.
Remove the 2 bolts and inverter water pump assembly from the HV water pump bracket sub-assembly.
NOTE:
If the inverter water pump assembly has been struck or dropped, replace it.
Slide the 2 clips and disconnect the No. 2 inverter cooling hose and No. 3 inverter cooling hose.
NOTE:
- Put pieces of cloth into the pipes and disconnected hoses or cover the pipes and hoses with plastic bags to prevent foreign matter from entering the inverter water pump with motor assembly and inverter cooling system.
- Do not apply excessive force to the hoses.

REMOVE HV WATER PUMP BRACKET SUB-ASSEMBLY

HINT:
Perform this procedure only when replacement of the HV water pump bracket sub-assembly is necessary.