Kia Cadenza YG: 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
1.
Install in the reverse order 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)

    IDB terminal and Inoutput IDB terminal function Connector [C602] Pin No.DescriptionConnected to1- 2- 3- 4- 5- 6- 7- 8- 9- 10- 11- 12- 13- 14- 15- 16Injector (Cylinder #3) [Low] control outputInjector (Cylinder #3)17Injector (Cylinder #6) [Low] control outputInjector (Cylinder #6)18Injector (Cylinder #6) [High] control outputInjector (Cylinder #6)19Injector (Cylinder #2) [Low] control outputInjector (Cylinder #2)20Injector (Cylinder #5) [Low] control outputInjector (Cylinder #5)21- 22Injector (Cylinder #2) signal inputEngine Control Module (ECM)23Injector (Cylinder #5) signal inputEngine Control Module (ECM)24- 25Fuel Pressure Control Valve (FPRV) logic inputEngine Control Module (ECM)26CCP-CAN [Low]Other control module, Data Link Connector (DLC), Multi-purpose check connector27CCP-CAN [High]Other control module, Data Link Connector (DLC), Multi-purpose check connector28Battery power (B+)Ignition switch29Battery power (B+)Main relay30Battery power (B+)Main relay31Injector (Cylinder #4) [High] control outputInjector (Cylinder #4)32Injector (Cylinder #1) [High] control outputInjector (Cylinder #1)33Injector (Cylinder #3) [High] control outputInjector (Cylinder #3)34Injector (Cylinder #2) [High] control outputInjector (Cylinder #2)35Injector (Cylinder #5) [High] control outputInjector (Cylinder #5)36- 37- 38Injector (Cylinder #3) signal inputEngine Control Module (ECM)39- 40Injector (Cylinder #6) signal inputEngine Control Module (ECM)41Injector (Cylinder #4) signal inputEngine Control Module (ECM)42Battery power (B+)Ignition switch43Battery power (B+)Main relay44Battery power (B+)Main relay45Fuel Pressure Control Valve (FPRV) [High] control outputFuel Pressure Control Valve (FPRV)46Injector (Cylinder #4) [Low] control outputInjector (Cylinder #4)47Injector (Cylinder #1) [Low] control outputInjector (Cylinder #1)48ECM groundChassis ground49ECM groundChassis ground50ECM groundChassis ground51- 52ECM groundChassis ground53ECM groundChassis ground54- 55Injector (Cylinder #1) signal inputEngine Control Module (ECM)56- 57- 58- 59Battery power (B+)Main relay60Fuel Pressure Control Valve (FPRV) [Low] control outputFuel Pressure Control Valve (FPRV) IDB Terminal input/output signal Connector [C602] Pin No.

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

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

    Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.

    Kia Cadenza YG 2016-2021 Service Manual: A/C Pressure Transducer Description and Operation

    Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed. Engine ECU stop the operation of compressor when the temperature of refrigerant line is so high or so low irregularl

    Categories

     
    Copyright © 2026 www.kcadenzavg.com - 0.0257