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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FKS) - Service Information >> Camshaft Oil Control Solenoid >> Removal [12/2019 - 10/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during camshaft timing oil control solenoid assembly 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
Battery terminal is disconnected/reconnected Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted Stop and Start System Refer to PRECAUTION [12/2019 - 10/2022]
Perform steering sensor zero point calibration Lane Control System Refer to INITIALIZATION [12/2019 - ]
Parking Support Brake System*1
Pre-collision System
Lighting System (EXT) (w/ AFS)
Memorize steering angle neutral point Parking Assist Monitor System Refer to INITIALIZATION [12/2019 - 10/2022]
Panoramic View Monitor System Refer to INITIALIZATION [12/2019 - 10/2022]
Initialize back door lock Power Door Lock Control System Refer to INITIALIZATION [12/2019 - 11/2023]
Reset back door close position Power Back Door System Refer to INITIALIZATION [12/2019 - 11/2023]
Replacement of ECM Perform Vehicle Identification Number (VIN) or frame number registration DTC is output Refer to REGISTRATION [12/2019 - 10/2022]
Code registration Engine start function Refer to REGISTRATION [12/2019 - 10/2021] , or refer to REGISTRATION [10/2021 - 10/2022]
Gas leak from exhaust system is repaired Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.
 Refer to INITIALIZATION [12/2019 - 10/2022]
for UA80E: 
  1. Replacement of ECM (If transaxle compensation code read from ECM)
  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency
 for Initialization: Refer to INITIALIZATION [12/2019 - 10/2022]
for Registration: Refer to REGISTRATION [12/2019 - 10/2022]
for UA80E: 
  1. Replacement of ECM (If transaxle compensation code not read from ECM)
  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn
for UA80F: 
  1. Replacement of ECM (If transaxle compensation code read from ECM)
  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency
 for Initialization: Refer to INITIALIZATION [12/2019 - 10/2022]
for Registration: Refer to REGISTRATION [12/2019 - 10/2022]
for UA80F: 
  1. Replacement of ECM (If transaxle compensation code not read from ECM)
  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn
Replacement of automatic transaxle fluid ATF thermal degradation estimate reset The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly for UA80E: Refer to INITIALIZATION [12/2019 - 10/2022]
for UA80F: Refer to INITIALIZATION [12/2019 - 10/2022]
Replacement of front bumper assembly*3
  • Measurement of ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
 Parking Support Brake System Refer to CALIBRATION [12/2019 - 11/2023]
Front television camera view adjustment Panoramic View Monitor System Refer to CALIBRATION [12/2019 - 10/2022]
Replacement or removal and installation of 2 or more parts: 
  • Front television camera assembly, radiator grille sub-assembly or front bumper assembly
  • Rear television camera assembly
  • Side television camera assembly LH or outer rear view mirror assembly LH
  • Side television camera assembly RH or outer rear view mirror assembly RH
 Television camera view adjustment Panoramic View Monitor System Refer to CALIBRATION [12/2019 - 10/2022]
Suspension, tires, etc.*4
  • Measurement of ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
 Parking Support Brake System Refer to CALIBRATION [12/2019 - 11/2023]
Rear television camera assembly optical axis (Back camera position setting) Parking Assist Monitor System Refer to CALIBRATION [12/2019 - 10/2022]
  • Parking assist ECU initialization
  • Adjust steering angle
 Panoramic View Monitor System Refer to CALIBRATION [12/2019 - 10/2022]
Perform headlight ECU sub-assembly LH initialization Lighting System (EXT) (w/ AFS) Refer to INITIALIZATION [12/2019 - 11/2023]
Front wheel alignment adjustment
  1. Perform "Reset Memory".
  2. Perform "Calibration".
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates
 Refer to UTILITY [12/2019 - 11/2023]

*1: Learning can also be performed using the GTS.

*2: Not necessary when ECM replaced with new one

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

*4: If the vehicle height has changed due to suspension or tire replacement

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