Hyundai Tucson: Automatic Transaxle Control System / Transaxle Control Module (TCM) Schematic Diagrams

1. TCM Connector and Terminal Function

2. TCM Terminal Function
Connector [A]
Pin
Description
Pin
Description
1
-
54
-
2
-
55
-
3
-
56
-
4
-
57
-
5
-
58
Sport mode down switch
6
-
59
Oil temperature sensor (+)
7
-
60
-
8
-
61
-
9
-
62
-
10
-
63
-
11
-
64
-
12
-
65
-
13
-
66
-
14
-
67
-
15
-
68
-
16
-
69
-
17
-
70
-
18
-
71
-
19
-
72
-
20
-
73
Inhibitor switch signal "S4"
21
-
74
Inhibitor switch signal "S2"
22
Overdrive clutch control solenoid valve
75
Inhibitor switch signal "S3"
23
Line pressure control solenoid valve
76
-
24
-
77
-
25
-
78
-
26
ON/OFF solenoid valve B(SS-B)
79
-
27
-
80
-
28
-
81
-
29
-
82
-
30
-
83
-
31
-
84
-
32
-
85
-
33
-
86
-
34
-
87
Solenoid supply power 2
35
-
88
Solenoid supply power 1
36
-
89
ON/OFF solenoid valve A(SS-A)
37
Sport mode up switch
90
-
38
Sport mode select switch
91
-
39
Oil temperature sensor(-)
92
-
40
-
93
-
41
-
94
Inhibitor switch signal "S1"
42
-
95
Output speed sensor power
43
Underdrive brake control solenoid valve 
96
Input speed sensor power
44
35R clutch control solenoid valve 
97
-
45
Torque converter control solenoid valve 
98
-
46
26 brake control solenoid valve
99
Input speed sensor signal
47
-
100
Output speed sensor signal
48
-
101
-
49
-
102
-
50
-
103
-
51
-
104
-
52
-
105
-
53
-
x
x

Connector [B]
Pin
Description
Pin
Description
1
Ground (Power)
47
-
2
Ground (Power)
48
-
3
Battery power (B+)
49
-
4
Ground (Power)
50
-
5
Battery power (B+)
51
-
6
-
52
-
7
-
53
-
8
-
54
-
9
-
55
-
10
-
56
-
11
-
57
-
12
-
58
-
13
-
59
-
14
-
60
-
15
-
61
-
16
-
62
-
17
-
63
-
18
-
64
-
19
-
65
-
20
-
66
-
21
-
67
Ignition switch
22
-
68
-
23
-
69
-
24
-
70
-
25
-
71
Start relay control
26
-
72
-
27
-
73
-
28
-
74
-
29
-
75
-
30
-
76
-
31
-
77
CAN (High)
32
-
78
CAN (LOW)
33
-
79
-
34
-
80
-
35
-
81
-
36
-
82
-
37
-
83
-
38
-
84
-
39
-
85
-
40
-
86
-
41
-
87
-
42
-
88
-
43
-
89
-
44
-
90
-
45
-
91
-
46
-
x
x

TCM Terminal Input/ Output Signal
Connector [A]
Pin
Description
Condition
Input/output value
Type
Level
22
Overdrive clutch control solenoid valve
(OD/C_VFS)
x
x
x
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply : V_SOL1
23
Line pressure control solenoid valve
(LINE_VFS)
x
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
26
ON/OFF solenoid valve B(SS-B)
High
Output
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
37
Sports mode up switch
Up ON
Input
0V/Battery voltage level
Other
9V < Battery voltage level < 16V
38
Sports mode select switch
Sport mode
Input
0V/Battery voltage level
Other
9V < Battery voltage level < 16V
39
Oil temperature sensor (-)
x
Ground
0V
43
Underdrive brake control solenoid valve
(UD/B_VFS)
x
x
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply : V_SOL2
44
35R clutch control solenoid valve
(35R/C_VFS)
x
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
45
Torque converter control solenoid valve
(T/CON_VFS)
x
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
46
26 brake control solenoid valve
(26/B_VFS)
x
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply : V_SOL2
58
Sports mode down switch
Down ON
Input
 0V/Battery voltage level
Other
9V < Battery voltage level < 16V 
59
Oil temperature sensor (+)
ON
Input
0V/3.3V
OFF
73
Inhibitor switch signal "S4"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
74
Inhibitor switch signal "S2"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
75
Inhibitor switch signal "S3"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
89
ON/OFF solenoid valve A (SS-A)
High
Output
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
94
Inhibitor switch signal "S1"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
95
Output speed sensor power
ON
Power
0V/7.5V
OFF
96
Input speed sensor power
ON
Power
0V/7.5V
OFF
99
Input speed sensor signal
High
Input
0.7V/1.4V
x
100
Output speed sensor signal
High
Input
0.7V/1.4V
Low

Connector [B]
Pin
Description
Condition
Input/output value
Type
Level
1
Ground (Power 1)
x
Ground
0V
2
Ground (Power 2)
x
Ground
0V
3
Battery power (B+)
ON
Power
0V/Battery voltage level
OFF
9V < Battery voltage level < 16V
4
Ground (Power 2)
x
Ground
0V
5
Battery power (B+)
ON
Power
0V/Battery voltage level
OFF
9V < Battery voltage level < 16V

Circuit Diagram

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