LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2016 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Injector Drive Box (IDB) >> Schematic Diagrams >> IDB terminal and In/Output
April 5, 2026: LEMON Manuals is launched! Read the announcement.

IDB terminal and In/Output

Fig 1: Injector Drive Box Terminals
G10367404Courtesy of HYUNDAI MOTOR AMERICA

IDB terminal function 

CONNECTOR PIN REFERENCE (CLG02)

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), Multipurpose check connector
27 CCP-CAN [High] Other control module, Data Link Connector (DLC), Multipurpose 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 PIN REFERENCE (CLG02)

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