WHEN REMOVING,INSTALLING 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 Perform Vehicle Identification Number (VIN) or frame number registration MIL comes on
ECM Code 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, etc.

  • Engine start function, etc.

  • Throttle body with motor assembly

  • Cleaning the deposits from the throttle body with motor 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 (for port injection)

  • Fuel injector assembly (for direct injection)

  • Fuel pump (for low pressure side)

  • Fuel pump (for high pressure side)

  • Air fuel ratio sensor

  • Engine coolant temperature sensor

  • Spark plug

  • Ignition coil assembly

  • EGR valve assembly

  • Air leaks from intake system

  • Gas leaks from exhaust system

  • Knock control sensor

 Inspection after repair

  • Poor idle, etc.

  • Engine start function, 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

  • The deterioration of fuel efficiency

  • Valve body assembly

  • Shift solenoid valve SL3 and/or SL4

  1. Reset memory

  2. Reset transaxle compensation code

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
Shift solenoid valve SL1 and/or SL2 Perform road test to allow TCM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
TCM (If possible, read the transaxle compensation code from the previous TCM) Possible

  1. Reset memory

  2. Transfer transaxle compensation code

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
Impossible

  1. Reset memory

  2. Reset transaxle compensation code

  3. Perform road test to allow TCM to learn

  • Large shift shock

  • The 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

  • The deterioration of fuel efficiency

  • Valve body assembly

  • Shift solenoid valve SL3 and/or SL4

  1. Reset memory

  2. Reset transaxle compensation code

  3. Perform road test to allow ECM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
Shift solenoid valve SL1 and/or SL2 Perform road test to allow ECM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
ECM (If possible, read the transaxle compensation code from the previous ECM) Possible

  1. Reset memory

  2. Transfer transaxle compensation code

  3. Perform road test to allow ECM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
Impossible

  1. Reset memory

  2. Reset transaxle compensation code

  3. Perform road test to allow ECM to learn

  • Large shift shock

  • The deterioration of fuel efficiency
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

  • Assist map writing

  • P/S warning light comes on

  • EPS control
Electric power steering column subassembly Torque sensor zero point calibration Steering effort is different between turning steering wheel to left and right
Steering sensor

  • Steering angle neutral point (Initialize parking assist monitor system)

  • Steering angle setting

 Parking assist monitor system
Suspension, tires, etc. Rear television camera assembly optical axis (Back camera position setting) Parking assist monitor system
Rear television camera assembly

  • Parking assist monitor system initialization

  • Rear television camera assembly optical axis (Back camera position setting)

 Parking assist monitor system
Blind spot monitor sensor Blind spot monitor beam axis inspection DTCs are output

  • Certification ECU (smart key ECU assembly)*1

  • ID code box (immobiliser code ECU)*1*5

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

  • Telephone Transceiver Assembly*6

  • Electrical key transmitter (key)*1

 Code registration (Engine immobiliser system)

  • Wireless door lock control system

  • Smart entry and start system

  • Engine start

  • Steering lock system

  • Transponder key ECU assembly*2

  • Door control transmitter assembly*2

 Code registration (Engine immobiliser system) Engine start

  • Door control transmitter*2

  • Door control receiver*2

 Code registration (Wireless door lock system) Wireless door lock control system

  • Occupant detection ECU*6

  • Front passenger seat*6

 Zero point calibration and sensitivity check (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

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

  • No. 3 air conditioning radiator damper servo sub-assembly*7

  • No. 1 blower damper servo sub-assembly

 Servo motor initialization (Air conditioning system) DTCs are output

  • Door window regulator assembly*8

  • Power window regulator motor assembly*8

  • Door glass*8

  • Door glass run*8

 Initialize power window control system

  • Auto up/down function

  • Jam protection function

  • Operation function after ignition switch is turned off

  • Key-linked function

  • Wireless transmitter-linked function

  • Front door window regulator assembly*9

  • Power window regulator motor assembly (for driver door)*9

  • Power window regulator motor assembly (for front passenger door)*9

  • Door glass*9

  • Door glass run*9

 Initialize power window control system

  • Auto up/down function

  • Jam protection function

  • Operation function after ignition 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 subassembly

 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

  • AFS ECU (headlight swivel ECU assembly)*3

  • Rear height control sensor subassembly*3

 Perform AFS ECU initialization AFS function

  • Headlight leveling ECU assembly*4

  • Rear height control sensor subassembly*4

 Perform Headlight leveling ECU initialization Automatic headlight beam level control function