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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (Automatic Transaxle Control System) >> Transaxle Control Module (TCM) >> Schematic Diagrams >> TCM Terminal Input/Output Signal
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TCM Terminal Input/Output Signal

WARNING: This page is about a different car, the 2016 Hyundai Elantra GT and 2015 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
TCM CONNECTOR TERMINAL INPUT/OUTPUT SIGNAL REFERENCE

Pin Description Condition Input/Output Value
Type Level
1 Ground (Power 1)   Ground 0V
2 Ground (Power 2)   Ground 0V
3 Battery power (B+) ON Power 0V/Battery voltage level
OFF 9V < Battery voltage level < 16V
4 Ground (Power 2)   Ground 0V
5 Battery power (B+) ON Power 0V/Battery voltage level
OFF 9V < Battery voltage level < 16V
22 Overdrive clutch control solenoid valve (OD/C_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: V_SOL1
23 Line pressure control solenoid valve (LINE_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
26 ON/OFF solenoid valve B (SS-B) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
37 Sports mode up switch Up ON Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
38 Sports mode select switch Sport mode Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
39 Oil temperature sensor (+) ON Input 0V/3.3V
OFF
43 Underdrive brake control solenoid valve (UD/B_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: V_SOL2
44 35R clutch control solenoid valve (35R/C_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
45 Torque converter control solenoid valve (T/CON_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
46 26 brake control solenoid valve (26/B_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: V_SOL2
58 Sports mode down switch Down ON Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
59 Oil temperature sensor (-)   Ground 0V
73 Inhibitor switch signal "S4" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
74 Inhibitor switch signal "S2" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
75 Inhibitor switch signal "S3" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
89 ON/OFF solenoid valve A (SS-A) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
94 Inhibitor switch signal "S1" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
95 Output speed sensor power ON Power 0V/7.5V
OFF
96 Input speed sensor power ON Power 0V/7.5V
OFF
99 Input speed sensor signal High Input 0.7V/1.4V
Low
100 Output speed sensor signal High Input 0.7V/1.4V
Low