Installation [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
- INSTALL NO. 2 ECM BRACKET
- INSTALL NO. 1 ECM BRACKET
- INSTALL ECM
- Install the ECM with the 2 bolts and nut.
Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf)
NOTE:If the ECM has been struck or dropped, replace it.
- Connect the 3 ECM connectors and rotate the 3 levers to lock them.NOTE:
- When connecting the ECM connectors, make sure that the connecting parts of the ECM connectors are free of dirt, water and other foreign matter.
- Be sure to securely connect the ECM connectors.
- Install the ECM with the 2 bolts and nut.
- INSTALL AIR CLEANER ASSEMBLY
*a Cutout *b Protrusion *c Top *d Rear of Vehicle *e 13 to 19 mm (0.512 to 0.748 in.) *f Pin - Install the air cleaner assembly to the air cleaner hose.NOTE:
Align the cutout of the air cleaner hose with the protrusion of the air cleaner assembly.
- Tighten the hose clamp in the position shown in the illustration.
- Engage the 3 pins to install the air cleaner assembly.
- Engage the 3 wire harness clamps.
- Connect the mass air flow meter sub-assembly connector.
- Install the air cleaner assembly to the air cleaner hose.
- INSTALL INLET AIR CLEANER ASSEMBLY
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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Install the inlet air cleaner assembly with the 2 bolts in the order shown in the illustration.
Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf)
- Install the inlet air cleaner assembly with the 2 bolts in the order shown in the illustration.
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- INSTALL RADIATOR UPPER AIR GUIDE PLATE
- CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Refer to PROCEDURE - Step 5
- VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION
Refer to PROCEDURE - Step 1
- ECU CONFIGURATION
Refer to ECU CONFIGURATION [11/2021 - ]
- UPDATE ECU SECURITY KEY
Refer to UPDATE ECU SECURITY KEY [11/2021 - ]
- PERFORM INITIALIZATION
Refer to WORK PROCEDURE [11/2021 - 03/2023] , or refer to WORK PROCEDURE [03/2023 - 03/2024] , or refer to WORK PROCEDURE [03/2024 - ]
- INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.