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Home >> Hyundai >> 2013 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 5.0L >> Injector Drive Box (IDB) >> Schematic Diagrams >> Injector Drive Box (IDB) >> ECM Terminal Function
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ECM Terminal Function

CONNECTOR [CTG-IDB]

Pin No. Description Connected to
1 ECM ground Chassis ground
2 ECM ground Chassis ground
3 Battery power (B+) Main relay
4 ECM ground Chassis ground
5 Battery power (B+) Main relay
6 Battery power (B+) Main relay
7 Fuel Pressure Control Valve (FPCV) #1 [Low] control output Fuel Pressure Control Valve (FPCV)
8 -  
9 -  
10 -  
11 -  
12 -  
13 -  
14 -  
15 -  
16 -  
17 -  
18 -  
19 -  
20 -  
21 -  
22 -  
23 -  
24 -  
25 -  
26 -  
27 -  
28 -  
29 Fuel Pressure Control Valve (FPCV) #1 [High] control output Fuel Pressure Control Valve (FPCV)
30 -  
31 -  
32 -  
33 -  
34 -  
35 -  
36 -  
37 -  
38 -  
39 -  
40 -  
41 -  
42 -  
43 -  
44 -  
45 -  
46 -  
47 -  
48 -  
49 -  
50 -  
51 Fuel Pressure Control Valve (FPCV) #2 [Low] control output Fuel Pressure Control Valve (FPCV)
52 -  
53 -  
54 Fuel power #2 [SEL 1] signal input Engine Control Module (ECM)
55 Fuel power #1 [SEL 1] signal input Engine Control Module (ECM)
56 Fuel power #1 [ON] signal input Engine Control Module (ECM)
57 Injector (Cylinder #8) signal input Engine Control Module (ECM)
58 Injector (Cylinder #6) signal input Engine Control Module (ECM)
59 Injector (Cylinder #5) signal input Engine Control Module (ECM)
60 Injector (Cylinder #4) signal input Engine Control Module (ECM)
61 -  
62 -  
63 -  
64 Battery power (B+) Ignition Switch
65 Injector (Cylinder #1) [Low] control output Injector (Cylinder #1)
66 Injector (Cylinder #1) [High] control output Injector (Cylinder #1)
67 Injector (Cylinder #7) [High] control output Injector (Cylinder #7)
68 Injector (Cylinder #7) [Low] control output Injector (Cylinder #7)
69 Injector (Cylinder #2) [Low] control output Injector (Cylinder #2)
70 Injector (Cylinder #2) [High] control output Injector (Cylinder #2)
71 Injector (Cylinder #8) [High] control output Injector (Cylinder #8)
72 Injector (Cylinder #8) [Low] control output Injector (Cylinder #8)
73 Fuel Pressure Control Valve (FPCV) #2 [High] control output Fuel Pressure Control Valve (FPCV)
74 -  
75 Fuel power #1 [SEL 0] signal input Engine Control Module (ECM)
76 Fuel power #2 [SEL 0] signal input Engine Control Module (ECM)
77 Fuel power #2 [ON] signal input Engine Control Module (ECM)
78 Injector (Cylinder #3) signal input Engine Control Module (ECM)
79 -  
80 Injector (Cylinder #2) signal input Engine Control Module (ECM)
81 Injector (Cylinder #1) signal input Engine Control Module (ECM)
82 Injector (Cylinder #7) signal input Engine Control Module (ECM)
83 -  
84 C-CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
85 C-CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
86 -  
87 Injector (Cylinder #4) [Low] control output Injector (Cylinder #4)
88 Injector (Cylinder #4) [High] control output Injector (Cylinder #4)
89 Injector (Cylinder #6) [High] control output Injector (Cylinder #6)
90 Injector (Cylinder #6) [Low] control output Injector (Cylinder #6)
91 Injector (Cylinder #5) [Low] control output Injector (Cylinder #5)
92 Injector (Cylinder #5) [High] control output Injector (Cylinder #5)
93 Injector (Cylinder #3) [High] control output Injector (Cylinder #3)
94 Injector (Cylinder #3) [Low] control output Injector (Cylinder #3)


CONNECTOR [CTG-IDB]

Pin No. Description Condition Type Level
1 ECM ground Idle DC voltage Max. 50mV
2 ECM ground Idle DC voltage Max. 50mV
3 Battery power (B+) IG OFF DC voltage Max. 0.5V
IG ON battery voltage
4 ECM ground Idle DC voltage Max. 50mV
5 Battery power (B+) IG OFF DC voltage Max. 0.5V
IG ON battery voltage
6 Battery power (B+) IG OFF DC voltage Max. 0.5V
IG ON battery voltage
7 Fuel Pressure Control Valve (FPRV) #1 [Low] control output Idle DC voltage battery voltage
Max. 1.0V
8 -      
9 -      
10 -      
11 -      
12 -      
13 -      
14 -      
15 -      
16 -      
17 -      
18 -      
19 -      
20 -      
21 -      
22 -      
23 -      
24 -      
25 -      
26 -      
27 -      
28 -      
29 Fuel Pressure Control Valve (FPRV) #1 [High] control output Idle DC voltage battery voltage
Max. 1.0V
30 -      
31 -      
32 -      
33 -      
34 -      
35 -      
36 -      
37 -      
38 -      
39 -      
40 -      
41 -      
42 -      
43 -      
44 -      
45 -      
46 -      
47 -      
48 -      
49 -      
50 -      
51 Fuel Pressure Control Valve (FPRV) #2 [High] control output Idle DC voltage battery voltage
Max. 1.0V
52 -      
53 -      
54 Fuel power #2 [SEL 1] signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
55 Fuel power #1 [SEL 1] signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
56 Fuel power #1 [ON] signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
57 Injector (Cylinder #8) signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
58 Injector (Cylinder #6) signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
59 Injector (Cylinder #5) signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
60 Injector (Cylinder #4) signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
61 -      
62 -      
63 -      
64 Battery power (B+) IG OFF DC voltage Max. 0.5V
IG ON battery voltage
65 Injector (Cylinder #1) [Low] control output Idle Pulse High: battery voltage
Relay ON Low: Max. 1.0V
66 Injector (Cylinder #1) [High] control output Idle Pulse High: battery voltage ~ 80V
Relay ON Low: battery voltage
67 Injector (Cylinder #7) [High] control output Idle Pulse High: battery voltage ~ 80V
Relay ON Low: battery voltage
68 Injector (Cylinder #7) [Low] control output Idle Pulse High: battery voltage
Relay ON Low: Max. 1.0V
69 Injector (Cylinder #2) [Low] control output Idle Pulse High: battery voltage
Relay ON Low: Max. 1.0V
70 Injector (Cylinder #2) [High] control output Idle Pulse High: battery voltage ~ 80V
Relay ON Low: battery voltage
71 Injector (Cylinder #8) [High] control output Idle Pulse High: battery voltage ~ 80V
Relay ON Low: battery voltage
72 Injector (Cylinder #8) [Low] control output Idle Pulse High: battery voltage
Relay ON Low: Max. 1.0V
73 Fuel Pressure Control Valve (FPRV) #2 [High] control output Idle DC voltage battery voltage
Max. 1.0V
74 -      
75 Fuel power #1 [SEL 0] signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
76 Fuel power #2 [SEL 0] signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
77 Fuel power #2 [ON] signal input Idle Pulse High: battery voltage
Low: Max. 1.0V
78 Injector (Cylinder #3) signal input Idle Pulse High: battery voltage
Low: Max.1.0V
79 -      
80 Injector (Cylinder #2) signal input Idle Pulse High: battery voltage
Low: Max.1.0V
81 Injector (Cylinder #1) signal input Idle Pulse High: battery voltage
Low: Max.1.0V
82 Injector (Cylinder #7) signal input Idle Pulse High: battery voltage
Low: Max.1.0V
83 -      
84 C-CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
85 C-CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
86 -      
87 Injector (Cylinder #4) [Low] control output Idle DC voltage High: battery voltage
Low: Max. 1.0V
88 Injector (Cylinder #4) [High] control output Idle DC voltage High: battery voltage ~ 80V
Low: battery voltage
89 Injector (Cylinder #6) [High] control output High: battery voltage ~ 80V Idle DC voltage
Low: battery voltage
90 Injector (Cylinder #6) [High] control output Idle DC voltage High: battery voltage ~ 80V
Low: battery voltage
91 Injector (Cylinder #5) [Low] control output Idle DC voltage High: battery voltage
Low: Max. 1.0V
92 Injector (Cylinder #5) [High] control output Idle DC voltage High: battery voltage ~ 80V
Low: battery voltage
93 Injector (Cylinder #3) [Low] control output Idle DC voltage High: battery voltage
Low: Max. 1.0V
94 Injector (Cylinder #3) [High] control output Idle DC voltage High: battery voltage ~ 80V
Low: battery voltage