Kia Stinger CK: ISG (Idle Stop & Go) System / DC/DC Converter

Components and components location
Components Location

Schematic diagrams
Circuit Diagram
[200W]

[400W]

Terminal Function
[200W]

PIn.
Description
PIn.
Description
1
Battery power (B+) input
7
ISG signal input
2
-
8
ACC input
3
-
9
ACC output
4
Battery power (B+) output
10
Ground
5
-
11
-
6
IGN1 input


[400W]

PIn.
Description
PIn.
Description
1
Battery power (B+) input
7
Battery power (B+) input
2
-
8
Battery power (B+) output
3
Battery power (B+) output
9
Battery power (B+) output
4
Ground
10
Ground
5
IGN1 input
11
ACC output
6
ISG signal input
12
ACC input

Repair procedures
Removal
[200W]
1.

Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.

Remove the glove box housing.

(Refer to Body (Interior and Exterior) - "Glove Box Housing")

3.

Remove the [RH] side air bant duct (A) after loosening the mounting screw.

4.

Remove the DC/DC converter after loosening the mounting bolt (A) and nut(B).

[400W]
1.

Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.

Disconnect the DC/DC converter connector (A).

3.

Remove the DC/DC converter (A) after loosening the mounting nuts.

Installation
  

After reconnecting the battery negative cable, ISG function does not operates until the system is stabilized, about 4 hours. If disconnecting the negative (-) battery cable from the battery during repair work for the vehicle equipped with AMS function, Battery sensor recalibration procedure should be performed after finishing the repair work.

1.

Install in the reverse order of removal.

Other information:

Kia Stinger (CK) 2018-2023 Service Manual: Oil Pan

Repair procedures Removal 1. Remove the engine room front under cover and side cover. (Refer to Engine and Transmission Assembly - "Engine Room Under Cover") 2. Drain the engine oil. (Refer to Lubrication System - "Engine Oil") 3. Remove the engine mounting support bracket nut (A).

Kia Stinger (CK) 2018-2023 Service Manual: Seat belt switch

Description and operation Description Via the seat belt/door switch, the ISG function can detect if the driver side seat belt is fastened and the driver side door is closed. If the driver side seat belt/door are not fastened/closed, the ISG system will not operate. If the seat belt/door are unfastened/opened, the engine will not start or stop by the ISG function for safety reasons.

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