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Caution / Notice / Hint

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.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during oil pump removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Replacement of ECM Update ECU security key Vehicle Control History (RoB) are stored Refer to UPDATE ECU SECURITY KEY [11/2021 - ]
Perform Vehicle Identification Number (VIN) registration DTC is output Refer to REGISTRATION [11/2021 - ]
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Replacement of cam timing control motor with EDU assembly*1
  • Replacement of camshaft timing gear assembly*1
  • Replacement of engine assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing exhaust gear assembly
  • Replacement of port fuel injector assembly
  • Replacement of direct fuel injector assembly
  • Replacement of fuel (engine room side) pump assembly (for high pressure side)
  • Replacement of ignition coil assembly
  • Replacement of EGR valve assembly
  • Gas leak from exhaust system is repaired
Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [11/2021 - ]
Replacement of inverter with converter assembly Resolver learning
  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration
Refer to UTILITY [11/2021 - ]
Replacement of hybrid vehicle transaxle assembly
  • Resolver learning
  • Initialize resolver
Tires
  • Initialization*2*3
  • Tire Position Identification*2*3
Tire Pressure Warning System Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) table below
Refer to WORK PROCEDURE [11/2021 - 03/2023] , or refer to WORK PROCEDURE [03/2023 - 03/2024] , or refer to WORK PROCEDURE [03/2024 - ]
Rear television camera assembly optical axis (Back camera position setting) Parking Assist Monitor System Refer to CALIBRATION [11/2021 - ]
Parking assist ECU initialization Panoramic View Monitor System Refer to CALIBRATION [11/2021 - 03/2024] , or refer to CALIBRATION [03/2024 - ]
Advanced Park Refer to CALIBRATION [11/2021 - 03/2024] , or refer to CALIBRATION [03/2024 - ]
Wheel alignment adjustment Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Brake system warning light (yellow indicator) illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system does not operate correctly
Refer to RESET MEMORY / CALIBRATION [11/2021 - ]
Steering intermediate shaft assembly*4 Automatic rack centering - Refer to AUTOMATIC RACK CENTERING [11/2021 - ]
Replacement of front bumper assembly*1 Front television camera view adjustment Panoramic View Monitor System Refer to CALIBRATION [11/2021 - 03/2024] , or refer to CALIBRATION [03/2024 - ]
Advanced Park Refer to CALIBRATION [11/2021 - 03/2024] , or refer to CALIBRATION [03/2024 - ]
Suspension parts Rear television camera assembly optical axis (Back camera position setting) Parking Assist Monitor System Refer to CALIBRATION [11/2021 - ]
Parking assist ECU initialization Panoramic View Monitor System Refer to CALIBRATION [11/2021 - 03/2024] , or refer to CALIBRATION [03/2024 - ]
Advanced Park Refer to CALIBRATION [11/2021 - 03/2024] , or refer to CALIBRATION [03/2024 - ]
Perform headlight ECU sub-assembly LH initialization Lighting System (w/ Automatic Headlight Beam Level Control System) Refer to INITIALIZATION [11/2021 - 03/2022] , or refer to INITIALIZATION [03/2022 - ]

*1: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

*2: Also necessary after performing a tire rotation.

*3: It is not necessary to perform this procedure if the tire pressure warning valve and transmitters are installed to the same location.

*4: If matchmarks were not placed when removing parts related to steering operation, perform automatic rack centering.

NOTE:
  • This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

    Refer to PRECAUTION [11/2021 - ]

  • 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.

    Refer to INSPECTION MODE PROCEDURE [11/2021 - ]

HINT: 

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

LEARNING COMPLETES WHEN VEHICLE IS DRIVEN

Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
Lighting System (EXT) Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more. Refer to INITIALIZATION [11/2021 - ]
Front Camera System
Adaptive High Beam System
LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY

Effect/Inoperative Function when Necessary Procedure not Performed Necessary Procedure Link
E-latch System
  • Back door opener
Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch. Refer to INITIALIZATION [11/2021 - ]
Power Back Door System Reset back door close position Refer to INITIALIZATION [11/2021 - ]
Air Conditioning System After the ignition switch is turned to ON, the servo motor standard position is recognized. -


COMPONENTS (REMOVAL) 

Fig 1: Oil Pump Removal Components
GTY1077178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout - Procedure Part Name Code
1 TIMING CHAIN COVER ASSEMBLY 11310 - - -
2 NO. 2 OIL PAN SUB-ASSEMBLY 12102A See step  2 - -
3 OIL STRAINER SUB-ASSEMBLY 15104 See step  3 - -
4 ENGINE OIL LEVEL SENSOR 89491 See step  4 - -
5 OIL PUMP BRACKET 15167 - - -
6 ENGINE BALANCER ASSEMBLY 13620B See step  6 - -
7 OIL PUMP ASSEMBLY 15100 - - -
8 STIFFENING CRANKCASE ASSEMBLY 11420 See step  8 - -
Non-reusable part - -