Kia Cadenza: Engine Control System / Injector Drive Box (IDB) Schematic Diagrams

Kia Cadenza YG 2016-2024 Service Manual / Engine Control / Fuel System / Engine Control System / Injector Drive Box (IDB) Schematic Diagrams

IDB terminal and Inoutput

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 #3) [Low] control output
Injector (Cylinder #3)
17
Injector (Cylinder #6) [Low] control output
Injector (Cylinder #6)
18
Injector (Cylinder #6) [High] control output
Injector (Cylinder #6)
19
Injector (Cylinder #2) [Low] control output
Injector (Cylinder #2)
20
Injector (Cylinder #5) [Low] control output
Injector (Cylinder #5)
21
-
 
22
Injector (Cylinder #2) signal input
Engine Control Module (ECM)
23
Injector (Cylinder #5) signal input
Engine Control Module (ECM)
24
-
 
25
Fuel Pressure Control 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 switch
29
Battery power (B+)
Main relay
30
Battery power (B+)
Main relay
31
Injector (Cylinder #4) [High] control output
Injector (Cylinder #4)
32
Injector (Cylinder #1) [High] control output
Injector (Cylinder #1)
33
Injector (Cylinder #3) [High] control output
Injector (Cylinder #3)
34
Injector (Cylinder #2) [High] control output
Injector (Cylinder #2)
35
Injector (Cylinder #5) [High] control output
Injector (Cylinder #5)
36
-
 
37
-
 
38
Injector (Cylinder #3) signal input
Engine Control Module (ECM)
39
-
 
40
Injector (Cylinder #6) signal input
Engine Control Module (ECM)
41
Injector (Cylinder #4) signal input
Engine Control Module (ECM)
42
Battery power (B+)
Ignition switch
43
Battery power (B+)
Main relay
44
Battery power (B+)
Main relay
45
Fuel Pressure Control Valve (FPRV) [High] control output
Fuel Pressure Control Valve (FPRV)
46
Injector (Cylinder #4) [Low] control output
Injector (Cylinder #4)
47
Injector (Cylinder #1) [Low] control output
Injector (Cylinder #1)
48
ECM ground
Chassis ground
49
ECM ground
Chassis ground
50
ECM ground
Chassis ground
51
-
 
52
ECM ground
Chassis ground
53
ECM ground
Chassis ground
54
-
 
55
Injector (Cylinder #1) signal input
Engine Control Module (ECM)
56
-
 
57
-
 
58
-
 
59
Battery power (B+)
Main relay
60
Fuel Pressure Control Valve (FPRV) [Low] control output
Fuel Pressure Control 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 #3) [Low] control output
Idle
Pulse
High: Battery voltage
Relay ON
Low: Max. 1.0V
17
Injector (Cylinder #6) [Low] control output
Idle
Pulse
High: Battery voltage
Relay ON
Low: Max. 1.0V
18
Injector (Cylinder #6) [High] control output
Idle
Pulse
High: Battery voltage ~ 80V
Relay ON
Low: Battery voltage
19
Injector (Cylinder #2) [Low] control output
Idle
Pulse
High: Battery voltage
Relay ON
Low: Max. 1.0V
20
Injector (Cylinder #5) [Low] control output
Idle
Pulse
High: Battery voltage
Relay ON
Low: Max. 1.0V
21
-
 
 
 
22
Injector (Cylinder #2) signal input
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
23
Injector (Cylinder #5) signal input
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
24
-
 
 
 
25
Fuel Pressure Control Valve (FPRV) logic input
 
 
 
 
 
 
26
CCP-CAN [Low]
Recessive
Pulse
2.0 ~ 3.0V
Dominant
2.75 ~ 4.5V
27
CCP-CAN [High]
Recessive
Pulse
2.0 ~ 3.0V
Dominant
2.75 ~ 4.5V
28
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
29
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
30
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
31
Injector (Cylinder #4) [High] control output
Idle
Pulse
High: Battery voltage ~ 80V
Relay ON
Low: Battery voltage
32
Injector (Cylinder #1) [High] control output
Idle
Pulse
High: Battery voltage ~ 80V
Relay ON
Low: Battery voltage
33
Injector (Cylinder #3) [High] control output
Idle
Pulse
High: Battery voltage ~ 80V
Relay ON
Low: Battery voltage
34
Injector (Cylinder #2) [High] control output
Idle
Pulse
High: Battery voltage ~ 80V
Relay ON
Low: Battery voltage
35
Injector (Cylinder #5) [High] control output
Idle
Pulse
High: Battery voltage ~ 80V
Relay ON
Low: Battery voltage
36
-
 
 
 
37
-
 
 
 
38
Injector (Cylinder #3) signal input
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
39
-
 
 
 
40
Injector (Cylinder #6) signal input
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
41
Injector (Cylinder #4) signal input
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
42
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
43
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
44
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
45
Fuel Pressure Control Valve (FPRV) [High] control output
Idle
DC voltage
Battery voltage
Max. 1.0V
46
Injector (Cylinder #4) [Low] control output
Idle
Pulse
High: Battery voltage
Relay ON
Low: Max. 1.0V
47
Injector (Cylinder #1) [Low] control output
Idle
Pulse
High: Battery voltage
Relay ON
Low: Max. 1.0V
48
ECM ground
Idle
DC voltage
Max. 50mV
49
ECM ground
Idle
DC voltage
Max. 50mV
50
ECM ground
Idle
DC voltage
Max. 50mV
51
-
 
 
 
52
ECM ground
Idle
DC voltage
Max. 50mV
53
ECM ground
Idle
DC voltage
Max. 50mV
54
-
 
 
 
55
Injector (Cylinder #1) signal input
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
56
-
 
 
 
57
-
 
 
 
58
-
 
 
 
59
Battery power (B+)
IG OFF
DC voltage
Max. 0.5V
IG ON
Battery voltage
60
Fuel Pressure Control Valve (FPRV) [Low] control output
Idle
DC voltage
Battery voltage
Max. 1.0V

Circuit Diagram

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