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Home >> Toyota >> 2021 >> Camry LE, FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (A25A-FKS) - Service Information (3 Of 5) (Except Hybrid) >> Engine Unit >> Removal [09/2019 - 03/2020] >> 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 engine unit removal/installation are shown below.

NECESSARY PROCEDURE 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 Perform steering sensor zero point calibration Lane departure alert system (w/ Steering Control) Refer to INITIALIZATION [03/2017 - 10/2020]
Pre-collision system
Intelligent clearance sonar system*
Memorize steering angle neutral point Parking Assist Monitor System Refer to INITIALIZATION [03/2017 - ]
Panoramic view monitor system Refer to INITIALIZATION [06/2017 - 10/2020]
Replacement of ECM Vehicle Identification Number (VIN) registration MIL comes on Refer to REGISTRATION [03/2017 - ]
ECU communication ID registration (Immobiliser system) Engine start function Refer to REGISTRATION [09/2019 - 08/2022] *1
Refer to REGISTRATION [09/2019 - ] *2
  • Replacement of engine assembly
  • Gas leak from exhaust system is repaired
  • Replacement of throttle body with motor assembly
  • Replacement of cam timing control motor with EDU assembly
  • Removal and installation of a cam timing control motor with EDU assembly
  • Replacement of camshaft timing gear assembly
  • Removal and installation of a camshaft timing gear assembly
  • Replacement of cylinder head sub-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 pump assembly (for high pressure side)
  • Replacement of engine coolant temperature sensor
  • Replacement of spark plug
  • Replacement of ignition coil assembly
  • Replacement of EGR valve assembly
  • Replacement of knock control sensor
 Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.
 Refer to INITIALIZATION [09/2019 - 03/2020]
Replacement of automatic transaxle assembly
  1. Reset memory
  2. Input transaxle compensation code into ECM
  3. Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency
 Refer to INITIALIZATION [09/2019 - ] for UB80E Initialization
Refer to REGISTRATION [03/2017 - ] for UB80E Registration
Replacement of ECM
(If possible, read the transaxle compensation code from the previous ECM)
  1. Reset memory*3
  2. Transfer transaxle compensation code
  3. Perform road test to allow ECM to learn
Replacement of ECM
(If impossible, read the transaxle compensation code from the previous ECM)
  1. Reset memory*3
  2. Reset transaxle compensation code
  3. Perform road test to allow ECM to learn
Automatic transaxle fluid ATF thermal degradation estimate reset The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly. Refer to INITIALIZATION [09/2019 - ]
Replacement of ECM*1 Code registration (Smart key System (for Start Function))
  • Wireless door lock control system
  • Smart key system (for Entry Function)
  • Smart key system (for Start Function)
  • Steering lock function
 Refer to REGISTRATION [09/2019 - 08/2022]
Replacement of ECM*2 Code registration (Immobiliser system (w/o Smart Key System))
  • Wireless door lock control system
  • Engine start
 Refer to REGISTRATION [09/2019 - ]
Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement)		 Rear television camera assembly optical axis (Back camera position setting) Parking assist monitor system for Initialization: Refer to INITIALIZATION [03/2017 - ]
for Calibration: Refer to CALIBRATION [06/2017 - 10/2020]
Replacement of front bumper assembly (w/ Panoramic view monitor system) Front television camera view adjustment Panoramic view monitor system for Initialization: Refer to INITIALIZATION [06/2017 - 10/2020]
for Calibration: Refer to CALIBRATION [06/2017 - 10/2020]
Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement)
  • Television camera controller initialization
  • Adjust steering angle
  • Rear television camera assembly optical axis (Back camera position setting)
Front wheel alignment adjustment Perform system variant learning and acceleration sensor zero point calibration.
  • VSC disabled or malfunctioning
  • DTCs are output
  • Slip indicator light illuminated
  • ABS warning light illuminated
 w/ Electric Parking Brake System: Refer to CALIBRATION [06/2017 - 10/2020]
w/o Electric Parking Brake System: Refer to CALIBRATION [06/2017 - 10/2020]
  1. *1: w/ Smart Key System
  2. *2: w/o Smart Key System
  3. *3: When the ECM is replaced with a new one, reset memory is unnecessary.
  4. *: When performing learning using the Techstream.

    Refer to CALIBRATION [06/2017 - 10/2020]

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 [09/2019 - 03/2020]

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