WHEN REMOVING,INSTALLING,REPAIRING OR REPLACING PARTS PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Procedures Necessary when ECU or Other Parts are Replaced
Replacement Part Necessary Procedure Effect or Inoperative Function when Necessary Procedure is not Performed
ECM Vehicle Identification Number (VIN) registration MIL comes on
ECU communication ID registration (Engine immobiliser system) Engine start
  • Throttle with motor body assembly

  • Cleaning the deposits from the throttle with motor body assembly

  • Engine assembly

  • Cylinder head sub-assembly

  • Camshaft (for intake or exhaust camshaft)

  • Camshaft timing gear assembly

  • Camshaft timing exhaust gear assembly

  • Piston or piston ring

  • Mass air flow meter sub-assembly

  • Fuel injector assembly

  • Fuel pump

  • Air fuel ratio sensor

  • Engine coolant temperature sensor

  • Spark plug

  • Ignition coil assembly

  • Air leaks from intake system

  • Gas leaks from exhaust system

  • Knock control sensor

Inspection after repair Poor idle, engine starting, etc
Automatic transaxle assembly
  1. Reset memory

  2. Input transaxle compensation code into TCM

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • Deterioration of fuel efficiency

  • Valve body assembly

  • Shift solenoid valve SL3 and/or SL4

  1. Reset memory

  2. Input transaxle compensation code into TCM

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • Deterioration of fuel efficiency

Shift solenoid valve SL1 and/or SL2 Perform road test to allow TCM to learn
  • Large shift shock

  • Deterioration of fuel efficiency

TCM (If possible, read the transaxle compensation code from the previous TCM) Possible
  1. Reset memory

  2. Input transaxle compensation code into TCM

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • Deterioration of fuel efficiency

Impossible
  1. Reset memory

  2. Input transaxle compensation code into TCM

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • Deterioration of fuel efficiency

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

  • Valve body assembly

  • Shift solenoid valve SL3 and/or SL4

  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

Shift solenoid valve SL1 and/or SL2 Perform road test to allow ECM to learn
  • Large shift shock

  • Deterioration of fuel efficiency

ECM (If possible, read the transaxle compensation code from the previous ECM) Possible
  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

Impossible
  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

Door control and tire pressure monitoring system receiver assembly
  • Transmitter ID registration

  • Initialization

  • When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates.

  • Tire pressure warning function

Code registration (Wireless door lock system) Wireless door lock control system
  • Tire pressure monitor receiver assembly

  • Tire pressure warning valve and transmitter

  • Transmitter ID registration

  • Initialization

  • When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates.

  • Tire pressure warning function

Skid control ECU (Brake actuator assembly) Perform system variant learning
  • Slip indicator light illumination

  • VSC disabled or malfunctioning

Power steering ECU assembly
  • Torque sensor zero point calibration*3*4

  • Assist map writing

  • P/S warning light comes on

  • EPS control

Electric power steering column sub-assembly (containing the torque sensor)*3*4 Torque sensor zero point calibration Steering effort is different between turning steering wheel to left and right
  • Spiral cable with sensor assembly

  • Spiral cable sub-assembly

  • Steering sensor

  • Correct steering angle neutral point

  • Steering angle setting

Parking assist monitor system
Radio and display receiver assembly Radio and display receiver assembly initialization Parking assist monitor system
Rear television camera assembly Back camera position setting Parking assist monitor system
  • Roof console box assembly*5

  • Garage door opener transmitter*5

Re-registration of codes in the garage door opener system

  • Register transmitter code

  • Rolling code systems

Garage door opener system
DCM (Telematics Transceiver) DCM activation Safety connect system
  • Certification ECU (smart key ECU assembly)*1

  • Steering lock ECU (steering lock actuator assembly)*1

  • Electrical key transmitter subassembly* 1

Code registration (Engine immobiliser system)
  • Wireless door lock control system

  • Smart key system

  • Engine start

  • Steering lock system

  • Transponder key ECU assembly*2

  • Door control transmitter assembly*2

  • Key*3

Code registration (Engine immobiliser system) Engine start
  • Door control transmitter assembly*2

  • Door control receiver

Code registration (Engine immobiliser system) Wireless door lock control system
  • Remote engine starter ECU*6

  • Certification ECU (smart key ECU assembly)*6

Registration of remote engine starter ID (Remote engine starter system) Remote engine start
  • Occupant classification ECU

  • Front passenger seat

Zero point calibration (Occupant classification system)
  • Occupant classification system

  • Passenger airbag ON/OFF indicator

  • Airbag system (Front passenger side)

  • Seat belt warning system (Front passenger)

  • No. 1 air conditioning radiator damper servo sub-assembly*7*8

  • No. 2 air conditioning radiator damper servo sub-assembly*7

  • No. 1 blower damper servo subassembly*7*8

Initialization servo motor (Air conditioning system) DTCs are output
  • Power window regulator motor assembly

  • Door window regulator sub-assembly

  • Door grass

  • Door grass run

Initialize power window control system
  • Auto up/down function

  • Jam protection function

  • Operation function after power switch is turned off

  • Key-linked function

  • Wireless transmitter-linked function

  • Sliding roof ECU (sliding roof drive gear sub-assembly)

  • Sliding roof glass sub-assembly

  • Sliding roof drive cable sub-assembly

Initialize sliding roof ECU (pulse sensor initial position setting)
  • Automatic slide open/close and tilt up/down function of sliding roof

  • Jam protection function

  • Operation function after ignition switch is turned off

  • Key-linked function

  • Wireless transmitter-linked function

  • Sliding roof open warning

Headlight leveling ECU assembly Perform Headlight leveling ECU assembly initialization Headlight leveling function
Rear height control sensor subassembly Perform Headlight leveling ECU assembly initialization Headlight leveling function

*1: w/ Smart Key System

*2: w/o Smart Key System

*3: for 2AR-FE without Wireless Door Lock

*4: for 2AR-FE with Wireless Door Lock

*5: w/ Garage Door Opener System

*6: w/ Remote Engine Starter System

*7: for Automatic Air Conditioning System

*8: for Manual Air Conditioning System