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Hyundai Equus: ECU Schematic Diagrams - Air Suspension System - Suspension System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: ECU Schematic Diagrams

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Suspension System / Air Suspension System / ECU Schematic Diagrams

Circuit diagram
1.
ECU Connector

2.
ECU Terminal function
Terminal
Function
1
Ground
2
Ground
3
IGN
4
Battery
5
Battery
6
-
7
-
8
-
9
-
10
-
11
-
12
Reverse Valve 1
x
(M1 Low Side)
13
Ambiance Valve
14
Reverse Valve 2
x
(M2 Low Side)
15
-
16
-
17
Air Spring Valve RR
18
Air Spring Valve FL
19
Air Spring Valve FR
20
Air Spring Valve RL
21
Reverse Valve Power
22
-
23
Solenoid Valve Power
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
Compressor Relay 
32
-
33
-
34
-
35
-
36
Compressor Relay Power
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
K-Line
47
-
48
-
49
-
50
-
51
-
52
-
53
Door Switch (Lock/Unlock)
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
CAN-High
62
-
63
Height Sensor FL
64
Height Sensor RL
65
Height Sensor FR
66
Height Sensor RR
67
Pressure Power
68
-
69
-
70
-
71
-
72
-
73
-
74
Height Sensor Ground RR
75
Height Sensor Ground RL
76
Height Sensor Ground FR
77
Height Sensor Ground FL
78
-
79
-
80
-
81
CAN-Low
82
Height Sensor Signal FL
83
Height Sensor Signal FR
84
Pressure Sensor Signal
85
-
86
-
87
-
88
-
89
-
90
Height Sensor Signal RL
91
Height Sensor Signal RR
92
Pressure Sensor Ground
93
-
94
G-Sensor Signal FL
95
G-Sensor Signal FR
96
G-Sensor Signal R
97
-
98
-
99
-
100
-
101
-
102
G-Sensor power
103
G-Sensor power
104
G-Sensor  Ground R
105
-
106
G-Sensor Power FR
107
-
108
-
109
G-Sensor Power R
110
-
111
G-Sensor Power FL
112
-
113
-
114
 Variable damper valve  RL(-)
115
Variable damper valve FL(+)
116
Variable damper valve  FR(+)
117
Variable damper valve  FL(-)
118
Variable damper valve  FR(-)
119
Variable damper valve  RL(+)
120
Variable damper valve  RR(-)
121
Variable damper valve  RR(+)

    ECU Description and Operation
    Description Analyzes each variety sensor and communication data and executes air suspension control. That part controls system and maintains function. ...

    ECU Repair procedures
    Removal     • Avoid suffering excessive impact. • Do not entering the water into pin inside. • Do not pile up the parts. • Take care not to damage the ...

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    Inspection 1. Disconnect the battery negative terminal. 2. Remove the fuse box cover. 3. Remove the starter relay(A). 4. Using an ohmmeter, check that there is continuity between each ...

    Troubleshooting
    Troubleshooting Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each part in or ...

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