Reassembly [10/2022 - ]: Procedure
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.
- INSTALL FUEL PUMP
- INSTALL NO. 2 FUEL SUCTION SUPPORT
- INSTALL FUEL SUB-TANK SUB-ASSEMBLY
*a Protrusion *b Installation Hole Slide - - - Engage the 4 claws to install the fuel sub-tank sub-assembly to the fuel suction plate sub-assembly.
- Align the protrusion of the fuel sub-tank sub-assembly with the installation hole of the fuel suction plate sub-assembly and then slide the fuel suction plate sub-assembly to install it to the fuel sub-tank sub-assembly.
- INSTALL FUEL PUMP HARNESS
- Engage the clamp to install the fuel pump harness to the fuel suction tube with pump and gauge assembly.NOTE:
- Do not damage the wire harness.
- When engaging each wire harness to the clamp, engage one wire at a time.
- Engage the claw to connect the ground terminal of the fuel pump harness.
- Check the connection state of the fuel pump harness.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Fuel pump body - Ground terminal of the fuel pump harness Always Below 50 Ω - If the result is not as specified, reconnect the fuel pump harness to the fuel pump so that the ground terminal of the fuel pump harness is securely connected to the fuel pump body.
- Connect the 3 fuel pump harness connectors.
- Engage the clamp to install the fuel pump harness to the fuel suction tube with pump and gauge assembly.
- INSTALL FUEL SENDER GAUGE ASSEMBLY
See step 1