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Home >> Hyundai >> 2015 >> Sonata Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Repair Procedures >> Removal >> Installation
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Repair Procedures: Removal: Installation

NOTE: When replacing the ECM, the vehicle equipped with the smart key must be performed the procedure as below.

[In the case of installing used ECM] 

  1. Perform "Neutral mode" procedure with GDS.

    (Refer to Body Electrical System - "SMART KEY SYSTEM - SONATA HEV article")

  2. Turn the ignition ON and OFF position after completing "ECM neutral mode".

    Then the ECM key register process is completed automatically.

[In the case of installing new ECM] 

Turn the ignition ON and OFF position after completing "ECM neutral mode".

Then the ECM key register process is completed automatically.

NOTE: This ECM is a PCM type that includes a Transaxle Control Module (TCM). Therefore TCM must be performed TCM learning procedure after replacing or reinstalling a TCM. (Refer to "AUTOMATIC TRANSAXLE CONTROL SYSTEM - SONATA HEV article")
  1. Install in the reverse order of removal.

    ECM installation bolt:  9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

    ECM bracket installation bolt/nut:  9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

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