Hyundai Elantra: TCM Terminal Input/ Output Signal - Transaxle 
Control Module (TCM). Schematic Diagrams - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Elantra MD 2010-2018 Service manualHyundai Elantra: TCM Terminal Input/ Output Signal


Connector [CHG-AA]
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
-
 
 
 
38
-
 
 
 
39
-
 
 
 
40
-
 
 
 
41
-
 
 
 
42
-
 
 
 
43
-
 
 
 
44
Ground (Power 1)
 
Ground
0V
45
Ground (Power 2)
 
Ground
0V
46
-



47
-
 
 
 
48
Oil temperature sensor (-)
 
Ground
0V
49
-
 
 
 
50
-
 
 
 
51
-
 
 
 
52
-



53
-
 
 
 
54
-
 
 
 
55
-
 
 
 
56
-
 
 
 
57
-
 
 
 
58
-
 
 
 
59
-
 
 
 
60
-
 
 
 
61
-
 
 
 
62
-
 
 
 
63
-
 
 
 
64
-
 
 
 
65
ON/OFF solenoid valve B(SS-B)
High
Output
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
66
ON/OFF solenoid valve A (SS-A)
High
Output
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
67
Battery power (B+)
ON
Power
0V/Battery voltage level
OFF
9V < Battery voltage level < 16V
68
-
 
 
 
69
Oil temperature sensor (+)
ON
Input
0V/3.3V
OFF
70
-
 
 
 
71
-
 
 
 
72
-
 
 
 
73
Output speed sensor signal
High
Input
0.7V/1.4V
Low
74
-



75
-
 
 
 
76
-
 
 
 
77
-
 
 
 
78
-
 
 
 
79
2. TCM Terminal Function
Connector [CHG-AA] Pin Description Pin Description 1 - 54 - 2 Line pressur ...