Hyundai Azera: Injector Drive Box (IDB) Repair procedures

Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Injector Drive Box (IDB) Repair procedures

Removal

1.	Turn the ignition switch off and disconnect the battery negative (-) cable.

2.	Disconnect the injector drive box (IDB) connector (A).

3.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")

4.	Remove the main wiring harness (B) after removing the nut (A).

5.	Remove the IDB bracket assembly (B) after removing the bolts (A).

6.	After removing the installation bolts (A), remove the IDB from the bracket.

Installation

Installation is the reverse of removal.

IDB installation bolt:

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

IDB bracket installation bolt (on vehicle):

18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

Injector Drive Box (IDB) Schematic Diagrams

IDB terminal and Inoutput IDB terminal function Connector [CLG02] Pin No.DescriptionConnected to1-?2-?3-?4-?5-?6-?7-?8-?9-?10-?11-?12-?13-?14-?15-?16Injector (Cylinder #3) [Low] control outputI ...

ETC (Electronic Throttle Control) System Description and Operation

Description The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Instead of the traditional throttle cab ...

Hyundai Azera: Injector Drive Box (IDB) Repair procedures

Injector Drive Box (IDB) Schematic Diagrams

ETC (Electronic Throttle Control) System Description and Operation

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