Caution / Notice / Hint

2025 Toyota 4Runner SR5, 4WDSECTION Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during front engine mounting insulator 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 air fuel ratio sensor (for sensor 1)
  • Replacement of air fuel ratio sensor (for sensor 2)
  • Gas leak from exhaust system is repaired
Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [12/2024 - ]
Replacement of engine assembly Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [12/2024 - ]
  1. Reset Memory
  2. K0 Learning Value Reset
  3. Learning by Driving
  4. K0 Learning Promotion
  • During shifting and when large shock occurs at lock-up
  • Engine overruns
  • Large shock when starting or stopping engine
Refer to UTILITY [12/2024 - ]
Replacement of hybrid motor control inverter 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 [12/2024 - ]
Tires
  • Initialization*1*2
  • Tire Position Identification*1*2
Tire Pressure Warning System Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) table below
Refer to WORK PROCEDURE [12/2024 - ]
for L580F: Hybrid vehicle transmission assembly 
  • Replacement of automatic transmission assembly
  1. A/T Code Registration (Arbitrary Code)
  2. K0 Compensation Code Registration (Arbitrary Code)
  3. Reset Memory
  4. K0 Learning Value Reset
  5. Learning by Driving
  6. K0 Learning Promotion
  • During shifting and when large shock occurs at lock-up
  • Engine overruns
  • Large shock when starting or stopping engine
Refer to UTILITY [12/2024 - ]
for L580F: Automatic transmission assembly and torque converter assembly 
  • Replacement of automatic transmission assembly
  1. A/T Code Registration (Arbitrary Code)
  2. Reset Memory
  3. Learning by Driving
  • During shifting and when large shock occurs at lock-up
  • Engine overruns
for L580F: Automatic transmission assembly 
  • Replacement of automatic transmission assembly
  1. A/T Code Registration (Arbitrary Code)
  2. Reset Memory
  3. Learning by Driving
  • During shifting and when large shock occurs at lock-up
  • Engine overruns
Replacement of automatic transmission fluid ATF Thermal Degradation Estimate Reset The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly
Replacement of front bumper assembly*
  • Change grille shutter control modes and/or perform initialization
  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Front television camera view adjustment
  • Grille shutter system
  • Intuitive parking assist system
  • Panoramic view monitor system
Grille Shutter System (for 1Motor-HEV Model): Refer to INITIALIZATION [12/2024 - ]
Intuitive Parking Assist System: Refer to BEFORE STARTING ADJUSTMENT [12/2024 - ]
Panoramic View Monitor System: Refer to BEFORE STARTING ADJUSTMENT [12/2024 - ]

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

*1: Also necessary after performing a tire rotation.

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

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 Procedures are not Performed Necessary Procedures Link
Front camera system Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more. Refer to INITIALIZATION [12/2024 - ]
LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY

Effect/Inoperative Function When Necessary Procedures are not Performed Necessary Procedures Link
Air conditioning system After the ignition switch is turned to ON, the servo motor and expansion valve standard position is recognized. -
Power running board system After turning the ignition switch to ON, opening the door, and then fully deployed the power running board system, close the door and stowed the power running board system. Refer to INITIALIZATION [12/2024 - ]
Power back door system*1 Reset back door close position. Refer to INITIALIZATION [12/2024 - ]
Power door lock control system*2 Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch. Refer to INITIALIZATION [12/2024 - ]

*1: w/ Power Back Door System

*2: w/o Power Back Door System



COMPONENTS (REMOVAL) 

Fig 1: Active Control Engine Mount Removal Components
GTY1272918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Procedure Part Name Code
1 ENGINE ASSEMBLY - - - -
2 FRONT ENGINE MOUNTING INSULATOR LH 12362A - - -
3 FRONT ENGINE MOUNTING INSULATOR RH 12361E - - -
*1 FRONT NO. 2 FLEXIBLE HOSE BRACKET LH *2 FRONT NO. 2 FLEXIBLE HOSE BRACKET RH
*3 NO. 4 VENTILATION HOSE - -
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.