>
Hyundai Equus Manuals

Hyundai Equus: Injector Drive Box (IDB) Schematic Diagrams - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Injector Drive Box (IDB) Schematic Diagrams

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Injector Drive Box (IDB) Schematic Diagrams

Injector Drive Box (IDB)
IDB Connector

ECM Terminal Function
Connector [C200-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
-
x
9
-
x
10
-
x
11
-
x
12
-
x
13
-
x
14
-
x
15
-
x
16
-
x
17
-
x
18
-
x
19
-
x
20
-
x
21
-
x
22
-
x
23
-
x
24
-
x
25
-
x
26
-
x
27
-
x
28
-
x
29
Fuel Pressure Control Valve (FPCV) #1 [High] control output
Fuel Pressure Control Valve (FPCV)
30
-
x
31
-
x
32
-
x
33
-
x
34
-
x
35
-
x
36
-
x
37
-
x
38
-
x
39
-
x
40
-
x
41
-
x
42
-
x
43
-
x
44
-
x
45
-
x
46
-
x
47
-
x
48
-
x
49
-
x
50
-
x
51
Fuel Pressure Control Valve (FPCV) #2 [Low] control output
Fuel Pressure Control Valve (FPCV)
52
-
x
53
-
x
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
-
x
62
-
x
63
-
x
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
-
x
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
-
x
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
-
x
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
-
x
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)

ECM Terminal Function
Connector [C200-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(FPCV) #1 [Low] control output
Idle
DC voltage
battery voltage
Max. 1.0V
8
-
x
x
x
9
-
x
x
x
10
-
x
x
x
11
-
x
x
x
12
-
x
x
x
13
-
x
x
x
14
-
x
x
x
15
-
x
x
x
16
-
x
x
x
17
-
x
x
x
18
-
x
x
x
19
-
x
x
x
20
-
x
x
x
21
-
x
x
x
22
-
x
x
x
23
-
x
x
x
24
-
x
x
x
25
-
x
x
x
26
-
x
x
x
27
-
x
x
x
28
-
x
x
x
29
Fuel Pressure Control Valve (FPCV) #1 [High] control output
Idle
DC voltage
battery voltage
Max. 1.0V
30
-
x
x
x
31
-
x
x
x
32
-
x
x
x
33
-
x
x
x
34
-
x
x
x
35
-
x
x
x
36
-
x
x
x
37
-
x
x
x
38
-
x
x
x
39
-
x
x
x
40
-
x
x
x
41
-
x
x
x
42
-
x
x
x
43
-
x
x
x
44
-
x
x
x
45
-
x
x
x
46
-
x
x
x
47
-
x
x
x
48
-
x
x
x
49
-
x
x
x
50
-
x
x
x
51
Fuel Pressure Control Valve (FPCV) #2 [High] control output
Idle
DC voltage
battery voltage
Max. 1.0V
52
-
x
x
x
53
-
x
x
x
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
-
x
x
x
62
-
x
x
x
63
-
x
x
x
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 (FPCV) #2 [High] control output
Idle
DC voltage
battery voltage
Max. 1.0V
74
-
x
x
x
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
-
x
x
x
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
-
x
x
x
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
-
x
x
x
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
Idle
DC voltage
High: battery voltage ~ 80V
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

Circuit Diagram

    Engine Control Module (ECM) Repair procedures
    Removal     When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below. [In the case of installing used ECM] 1) Perform "ECM Neutra ...

    Injector Drive Box (IDB) Repair procedures
    Remove 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the IDB cover (A). 3. Disconnect the IDB Connector (A). 4. Remove the mounting bolts (B), an ...

    See also:

    Damper Clutch Control Solenoid Valve Specifications
    Specifications Damper Clutch Control VFS x Control type : Normal low type Control Pressure kpa (kgf/cmx, psi)0~500.14 (0~5.1,0~72.54)Current value(mA)0~850 Internal resistance( ...

    Check spark plugs and ignition system
    Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

    Side impact air bag
    Your vehicle is equipped with a side impact air bag in each front and outboard rear seat. The purpose of the air bag is to provide the vehicle's driver and/or the front and outboard rear pas ...

    Categories

    Hyundai Equus Manuals

    © 2011-2026 Copyright www.heqmanual.com