Hyundai Sonata: Transaxle Control Module (TCM). Schematic Diagrams - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Sonata YF 2011-2018 Service ManualHyundai Sonata: Transaxle Control Module (TCM). Schematic Diagrams

1. TCM Connector and Terminal Function

2. TCM Terminal Function

2. TCM Terminal Function

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

TCM Terminal Input/ Output Signal

Connector [CHG-AG]
Pin
 Description
 Condition
 Input/output value
Type
 Level
1
 -
 　
 　
 　
2
 Line pressure control solenoid valve
(LINE_VFS)
 　
 Output
 0V/Battery voltage level
9V < Battery voltage level < 16V
3
 Torque converter control solenoid valve
(T/CON_VFS)
 　
 Output
 0V/Battery voltage level
9V < Battery voltage level < 16V
4
 35R clutch control solenoid valve
(35R/C_VFS)
 　
 Output
 0V/Battery voltage level
9V < Battery voltage level < 16V
5
 -
 　
 　
 　
6
 -
 　
 　
 　
7
 Inhibitor switch signal "S1"
 High
 Input
 0V/Battery voltage level
Low
 9V < Battery voltage level < 16V
8
 Inhibitor switch signal "S2"
 High
 Input
 0V/Battery voltage level
Low
 9V < Battery voltage level < 16V
9
 Inhibitor switch signal "S3"
 High
 Input
 0V/Battery voltage level
Low
 9V < Battery voltage level < 16V
10
 Inhibitor switch signal "S4"
 High
 Input
 0V/Battery voltage level
Low
 9V < Battery voltage level < 16V
11
 -
 　
 　
 　
12
 -
 　
 　
 　
13
 -
 　
 　
 　
14
 -
 　
 　
 　
15
 -
 　
 　
 　
16
 -
 　
 　
 　
17
 -
 　
 　
 　
18
 -
 　
 　
 　
19
 -
 　
 　
 　
20
 -
 　
 　
 　
21
 -
 　
 　
 　
22
 -
 　
 　
 　
23
 Underdrive brake control solenoid valve
(UD/B_VFS)
 　
 Output
 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply : V_SOL2
24
 26 brake control solenoid valve
(26/B_VFS)
 　
 Output
 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply : V_SOL2
25
 Overdrive clutch control solenoid valve
(OD/C_VFS)
 　
 Output
 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply : V_SOL1
26
 -
 　
 　
 　
27
 -
 　
 　
 　
28
 -
 　
 　
 　
29
 -
 　
 　
 　
30
 -
 　
 　
 　
31
 -
 　
 　
 　
32
 -
 　
 　
 　
33
 -
 　
 　
 　
34
 -
 　
 　
 　
35
 -
 　
 　
 　
36
 -
 　
 　
 　
37
 -
 　
 　
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