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Home >> Kia >> 2016 >> Optima Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (HEV) >> Transaxle Control Module (TCM) >> Schematic Diagrams >> TCM Terminal Function
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TCM Terminal Function

CONNECTOR (A) TERMINAL FUNCTION

Pin Description
2 -
3 Line pressure control solenoid valve (LINE_VFS)
4 Engine clutch control solenoid valve (EC_VFS)
5 35R clutch control solenoid valve (35R/C_VFS)
6 Input speed sensor power
7 Output speed sensor power
8 Input speed sensor signal
9 Output speed sensor signal
17 Underdrive brake control solenoid valve (UD/B_VFS)
18 26 brake control solenoid valve (26/B_VFS)
19 Shift lock solenoid
20 Overdrive clutch control solenoid valve (OD/C_VFS)
25 Inhibitor switch signal "S2"
26 Inhibitor switch signal "S3"
27 Inhibitor switch signal "S4"
32 ON/OFF solenoid valve B (SS-B)
33 ON/OFF solenoid valve A (SS-A)
33 ON/OFF solenoid valve A (SS-A)
34 Ground (Power 1)
35 Ground (Power 2)
36 Sports mode down switch
37 Sports mode up switch
38 Sports mode select switch
40 Inhibitor switch signal "S1"
47 Solenoid supply power 1
48 Solenoid supply power 2
49 TCM Input power 1 (For solenoid)
50 TCM Input power 2 (For solenoid)
51 PWM_command
52 Status_OPU
53 Oil temperature sensor (-)
54 Oil temperature sensor (+)
55 CAN communication line (HIGH)
56 CAN communication line (Low)
56 CAN communication line (Low)
CONNECTOR (B) TERMINAL FUNCTION

Pin Description
1 Power ground
2 Battery power (B+)
3 Power ground
4 Battery power (B+)
5 ECU ground
6 Battery power (B+)
TCM TERMINAL INPUT/ OUTPUT SIGNAL

Pin Description Condition Input/output value
Type Level
3 Line pressure control solenoid valve (LINE_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
4 Engine clutch control solenoid valve (EC_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
5 35R clutch control solenoid valve (35R/C_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
6 Input speed sensor power ON Power 0V/7.5V
OFF
7 Output speed sensor power ON Power 0V/7.5V
OFF
8 Input speed sensor signal High Input 0.7V/1.4V
Low
9 Output speed sensor signal High Input 0.7V/1.4V
Low
17 Underdrive brake control solenoid valve (UD/B_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: V_SOL2
18 26 brake control solenoid valve (26/B_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: V_SOL2
19 Shift lock solenoid High Output 0V/Battery voltage level 9V < Battery
Low voltage level < 16V
20 Overdrive clutch control solenoid valve (OD/C_VFS)   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: V_SOL1
22 Rear lamp relay R ON Output 0V/Battery voltage level
Other 9V < Battery voltage level < 16
25 Inhibitor switch signal "S2" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
26 Inhibitor switch signal "S3" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
27 Inhibitor switch signal "S4" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
32 ON/OFF solenoid valve B(SS-B) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
33 ON/OFF solenoid valve A (SS-A) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
34 Ground (Power 1)   Ground 0V
35 Ground (Power 2)   Ground 0V
36 Sports mode down switch Down ON Input 0V/Battery voltage level
Other 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
40 Inhibitor switch signal "S1" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16
47 Solenoid supply power 1 ON Power 0V/Battery voltage level
OFF 9V < Battery voltage level < 16V
48 Solenoid supply power 2 ON Power 0V/Battery voltage level
OFF 9V < Battery voltage level < 16V
49 TCM Input power 1 (For solenoid)   Power Battery voltage level
9V < Battery voltage level < 16V
50 TCM Input power 2 (For solenoid)   Power Battery voltage level
9V < Battery voltage level < 16
51 PWM_command   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
52 Status_OPU   Input 0V/Battery voltage level
9V < Battery voltage level < 16V
53 Oil temperature sensor (-)   Ground 0V
54 Oil temperature sensor (+) ON Input 0V/3.3V
OFF
55 CAN communication line (HIGH) High Command  
Low
56 CAN communication line (Low) High Command  
Low