Hyundai Sonata: Transaxle Control Module (TCM). Schematic Diagrams - Automatic Transaxle Control System - Automatic Transaxle SystemHyundai 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
 -
 　
 　
Shift Lever. Repair procedures
Removal 1. Remove the center console assembly. (Refer to "Interior" in BD group.) 2. Remove the control cable (A). ...

Transaxle Control Module (TCM). Repair procedures
Replacement In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching&quo ...

See also:

Defogging logic
To reduce the probability of fogging up the inside of the windshield, the air intake is controlled automatically according to certain conditions such as or position. To cancel or return the de ...

Description and Operation
Description System Overview The System offers the following features: - Human machine interface through a 1-stage button, for terminal switching and engine start. ...

Hood Latch Repair procedures
Replacement 1. Remove the front bumper. (Refer to Front bumper - "Front bumper cover") 2. Remove the head lamps [RH]. (Refer to Body Electrical System - "Head Lamps") 3. Disconnect the c ...