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

54

2
Line pressure control solenoid valve (LINE_VFS)
55

3
Torque converter control solenoid valve (T/CON_VFS)
56

4
35R clutch control solenoid valve (35R/C_VFS)
57

5

58

6

59

7
Inhibitor switch signal "S1"
60

8
Inhibitor switch signal "S2"
61

9
Inhibitor switch signal "S3"
62

10
Inhibitor switch signal "S4"
63

11

64

12

65
ON/OFF solenoid valve B(SS-B)
13

66
ON/OFF solenoid valve B(SS-A)
14

67
Battery (B+)
15

68

16

69
Oil temperature sensor (+)
17

70

18

71

19

72

20

73
Output speed sensor signal
21

74
Sports mode up switch
22

75

23
Underdrive brake control solenoid valve (UD/B_VFS)
76

24
26 brake control solenoid valve (26/B_VFS)
77

25
Overdrive clutch control solenoid valve (OD/C_VFS)
78

26

79

27

80

28

81

29

82

30

83

31

84

32

85

33

86
Solenoid supply power 1
34

87
Solenoid supply power 2
35

88
Battery (B+)
36

89

37

90
Output speed sensor power
38

91
Input speed sensor power
39

92

40

93

41

94
Input speed sensor signal
42

95
Sports mode down switch
43

96

44
Ground (Power 1)
97

45
Ground (Power 2)
98

46
Shift lock solenoid
99

47

100

48
Oil temperature sensor (-)
101

49

102

50

103

51

104

52
Sports mode select switch
105

53

 


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:

Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start the engine). Any light that does not illuminate should be checked by an authorized HYUNDAI dealer. After starting th ...

Brake Booster Repair procedures
Brake Booster Operating Test For simple checking of the brake booster operation, carry out the following tests. 1. Run the engine for one or two minutes, and then stop it. If the pedal depress ...

Power Window Motor Repair procedures
Inspection     • Wrap the protective tape on the tool to disassemble with the screwdriver or remover. • Use caution in keeping and handling during disassembling/asse ...