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

TCM Connector and Terminal Function

TCM Terminal Function
Connector [A]
Connector [K]
Pin
Description
Pin
Description
A1
Overdrive clutch control solenoid valve
(OD/C_VFS)
K8
FLEXRAY COMM. Signal HIGH
A5
Torque converter control solenoid
(T/CON_VFS)
K25
FLEXRAY COMM. Signal LOW
A6
Pressure control solenoid (VFS-LINE)
K59
CCP CAN LOW
A7
26 brake control solenoid valve (26/B_VFS)
K60
CAN (LOW)
A8
Inhibitor switch signal "S2"
K76
CCP CAN HIGH
A9
Sports mode down switch
K77
CAN (HIGH)
A10
Sports mode up switch


A22
Underdrive brake control solenoid valve
(UD/B_VFS)


A26
35R clutch control solenoid valve
(35R/C_VFS)


A27
Inhibitor switch signal "S1"


A30
Sports mode select switch


A43
Solenoid power 1 (A1, A5, A26, A48)


A44
Solenoid power 2 (A6, A7, A22, A47)


A45
GND (Power)


A46
GND (Power)


A47
ON/OFF solenoid valve B (SS-B)


A48
ON/OFF solenoid valve A (SS-A)


A49
Oil temperature sensor (-)


A64
VB (Battery voltage)


A68
Shift lock solenoid control


A70
Inhibitor switch signal "S3"


A72
Input speed sensor signal


A73
Output speed sensor power


A85
VB (Battery voltage)


A91
Oil temperature sensor (+)


A92
Output speed sensor signal


A93
Inhibitor switch signal "S4"


A94
Input speed sensor power



TCM Terminal input/ output signal
Pin
Description
Condition
Input/output value
Type
Level
A1
Overdrive clutch control solenoid valve
(OD/C_VFS)
-
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
A5
Torque converter control solenoid valve
(T/CON_VFS)
-
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
A6
Line pressure control solenoid valve
(LINE_VFS)
-
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
A7
26 brake control solenoid valve
(26/B_VFS)
-
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
A8
Inhibitor switch signal "S2"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
A9
Sports mode down switch
Down ON
Input
 0V/Battery voltage level
Other
9V < Battery voltage level < 16V 
A10
Sports mode up switch
Up ON
Input
0V/Battery voltage level
Other
9V < Battery voltage level < 16V
A22
Underdrive brake control solenoid valve
(UD/B_VFS)
-
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
A26
35R clutch control solenoid valve
(35R/C_VFS)
-
Output
0V/Battery voltage level
9V < Battery voltage level < 16V
A27
Inhibitor switch signal "S1"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
A30
Sports mode select switch
Sport mode
Input
0V/Battery voltage level
Other
9V < Battery voltage level < 16V
A43
Solenoid power 1
(A1, A5, A26, A48)

Power
0V/Battery voltage level
9V < Battery voltage level < 16V
A44
Solenoid power 2
(A6, A7, A22, A47)

Power
0V/Battery voltage level
9V < Battery voltage level < 16V
A47
ON/OFF solenoid valve B (SS-B)
High
Output
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
A48
ON/OFF solenoid valve A (SS-A)
High
Output
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
A49
Oil temperature sensor (-)
-
Ground
0V
A70
Inhibitor switch signal "S3"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
A72
Input speed sensor signal
High
Input
0.7V/1.4V
Low
A73
Output speed sensor power
ON
Power
0V/7.5V
OFF
A91
Oil temperature sensor (+)
ON
Input
0V/3.3V
OFF
A92
Output speed sensor signal
High
Input
0.7V/1.4V
Low
A93
Inhibitor switch signal "S4"
High
Input
0V/Battery voltage level
Low
9V < Battery voltage level < 16V
A94
Input speed sensor power
ON
Power
0V/7.5V
OFF

Circuit Diagram

[Inhibitor switch]

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