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


  1. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

    Replacement Part Necessary Procedure Effect/Inoperative Function when Necessary Procedures are not Performed Note
    ECM Vehicle Identification Number (VIN) registration MIL comes on -
    ECU communication ID registration (Engine immobiliser system) Engine start Refer to the Service Bulletin for the registration method

    • TCM

    • Automatic transmission assembly

    • Valve body assembly

    • Transmission wire

    • Shift solenoid valve S1, S2, S3, S4, SL1, SL2, SLT, SLU, and/or SR

    • Engine assembly

    		 Reset memory

    • Large shift shock

    • The deterioration of fuel efficiency

    		 -

    • Brake actuator assembly (Skid control ECU)

    • Steering sensor

    • Steering column assembly

    • Rack and pinion power steering gear assembly

    • Adjust front wheel alignment

    		 VSC sensor neutral memorization VSC system does not operate normally (warning indicator light comes on). -
    Power steering ECU assembly Rotation angle sensor initialization and torque sensor zero point calibration

    • P/S warning light comes on

    • EPS control

    		 -
    Steering column assembly Rotation angle sensor initialization and torque sensor zero point calibration Steering effort is different between turning steering wheel to left and right

      w/ Tire Pressure Warning System

    • Tire pressure warning ECU and receiver

    • 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

    		 -

      w/ Entry and Start System

    • Electrical key transmitter sub-assembly

    • ID code box (immobiliser code ECU)*1

    • Certification ECU (smart key ECU assembly)

    		 Registration

    • Wireless door lock/unlock operation

    • Entry operation

    • Engine starting

    • Steering lock/unlock

    		 Refer to the Service Bulletin for the registration method

      w/ Entry and Start System

    • Steering lock ECU (steering lock actuator assembly)

    		 Registration Engine start Refer to the Service Bulletin for the registration method

      w/o Entry and Start System

    • Key

    • Main body ECU (network gateway ECU)

    • Combination meter assembly*2

    • Transponder key ECU assembly*3

    		 Code registration (Engine immobiliser system) Engine start Refer to the Service Bulletin for the registration method

      w/o Entry and Start System

    • Door control transmitter module set sub-assembly

    • Door control receiver

    		 Code registration (Wireless door lock system) Wireless door lock/unlock operation -

    • Height control sensor sub-assembly RR

    • Headlight leveling ECU assembly

    		 Perform headlight leveling ECU assembly initialization Headlight leveling function -

    • Power window regulator motor assembly

    • Door window regulator sub-assembly

    • Door glass

    • Front door frame sub-assembly rear lower

    • Front door sush

    • Front door opening trim weatherstrip

    		 Initialize power window control system

    • Auto up/down function

    • Jam protection function

    • Operation function after ignition switch is turned off

    		 -

    • *1: w/ ID Code Box

    • *2: w/o Transponder Key ECU Assembly

    • *3: w/ Transponder Key ECU Assembly