Kia Cadenza VG Owner's Manual Quiz
Engine Control System/Fuel System

Injector Driver Box (IDB) Circuit Diagrams

In this manual: Engine Control System/Fuel System
General Information — 15Engine Mechanical System — 95Engine Electrical System — 54Emission Control System — 24Engine Control System/Fuel System — 115Automatic Transmission — 91Drive Shaft and Axle — 13Suspension System — 35Steering — 19Restraints — 46Brake System — 43Body (Interior and Exterior) — 51Body Electrical System — 245Heating, Ventilation, and Air Conditioning — 56
~6min read

IDB Terminal and Input

IDB Terminal Function

Connector [C602]
Pin No. Description Connected To
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 Injector (Cylinder No. 3) [Low] Control Output Injector (Cylinder #3)
17 Injector (Cylinder No. 6) [Low] Control Output Injector (Cylinder No. 6)
18 Injector (Cylinder No. 6) [High] Control Output Injector (Cylinder No. 6)
19 Injector (Cylinder No. 2) [Low] Control Output Injector (Cylinder #2)
20 Injector (Cylinder No. 5) [Low] Control Output Injector (Cylinder No. 5)
21 -
22 Injector Signal Input (Cylinder No. 2) Engine Control Module (ECM)
23 Injector Signal Input (Cylinder No. 5) Engine Control Module (ECM)
24 -
25 Fuel Pressure Regulator Valve (FPRV) Logic Input Engine Control Module (ECM)
26 CCP-CAN [Low] Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
27 CCP-CAN [High] Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
28 Battery Power (B+) Ignition Lock
29 Battery Power (B+) Main Relay
30 Battery Power (B+) Main Relay
31 Injector (Cylinder No. 4) [High] Control Output Injector (Cylinder No. 4)
32 Injector (Cylinder No. 1) [High] Control Output Injector (Cylinder No. 1)
33 Injector (Cylinder No. 3) [High] Control Output Injector (Cylinder #3)
34 Injector (Cylinder No. 2) [High] Control Output Injector (Cylinder #2)
35 Injector (Cylinder No. 5) [High] Control Output Injector (Cylinder No. 5)
36 -
37 -
38 Injector Signal Input (Cylinder No. 3) Engine Control Module (ECM)
39 -
40 Injector Signal Input (Cylinder No. 6) Engine Control Module (ECM)
41 Injector Signal Input (Cylinder No. 4) Engine Control Module (ECM)
42 Battery Power (B+) Ignition Lock
43 Battery Power (B+) Main Relay
44 Battery Power (B+) Main Relay
45 Fuel Pressure Regulator Valve (FPRV) [High] Control Output Fuel Pressure Regulator Valve (FPRV)
46 Injector (Cylinder No. 4) [Low] Control Output Injector (Cylinder No. 4)
47 Injector (Cylinder No. 1) [Low] Control Output Injector (Cylinder No. 1)
48 ECM Ground Ground
49 ECM Ground Ground
50 ECM Ground Ground
51 -
52 ECM Ground Ground
53 ECM Ground Ground
54 -
55 Injector Signal Input (Cylinder No. 1) Engine Control Module (ECM)
56 -
57 -
58 -
59 Battery Power (B+) Main Relay
60 Fuel Pressure Regulator Valve (FPRV) [Low] Control Output Fuel Pressure Regulator Valve (FPRV)

IDB Terminal Input/Output Signal

Connector [C602]
Pin No. Description Condition Type Level
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 Injector (Cylinder No. 3) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
17 Injector (Cylinder No. 6) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
18 Injector (Cylinder No. 6) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
19 Injector (Cylinder No. 2) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
20 Injector (Cylinder No. 5) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
21 -
22 Injector Signal Input (Cylinder No. 2) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
23 Injector Signal Input (Cylinder No. 5) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
24 -
25 Fuel Pressure Regulator Valve (FPRV) Logic Input
26 CCP-CAN [Low] Recessive Pulse 2.0 - 3.0 V
Dominant 2.75 - 4.5 V
27 CCP-CAN [High] Recessive Pulse 2.0 - 3.0 V
Dominant 2.75 - 4.5 V
28 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
29 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
30 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
31 Injector (Cylinder No. 4) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
32 Injector (Cylinder No. 1) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
33 Injector (Cylinder No. 3) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
34 Injector (Cylinder No. 2) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
35 Injector (Cylinder No. 5) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
36 -
37 -
38 Injector Signal Input (Cylinder No. 3) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
39 -
40 Injector Signal Input (Cylinder No. 6) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
41 Injector Signal Input (Cylinder No. 4) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
42 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
43 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
44 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
45 Fuel Pressure Regulator Valve (FPRV) [High] Control Output Idle DC Voltage Battery Voltage
Max. 1.0 V
46 Injector (Cylinder No. 4) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
47 Injector (Cylinder No. 1) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
48 ECM Ground Idle DC Voltage Max. 50 mV
49 ECM Ground Idle DC Voltage Max. 50 mV
50 ECM Ground Idle DC Voltage Max. 50 mV
51 -
52 ECM Ground Idle DC Voltage Max. 50 mV
53 ECM Ground Idle DC Voltage Max. 50 mV
54 -
55 Injector Signal Input (Cylinder No. 1) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
56 -
57 -
58 -
59 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
60 Fuel Pressure Regulator Valve (FPRV) [Low] Control Output Idle DC Voltage Battery Voltage
Max. 1.0 V

Wiring Diagram

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