LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2015 >> Optima Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - Optima HEV >> Transaxle Control Module (TCM) >> Schematic Diagrams >> TCM Terminal Function
April 5, 2026: LEMON Manuals is launched! Read the announcement.

TCM Terminal Function

CONNECTOR [A] INFORMATION

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

Pin Description Pin Description
1 Power ground 4 Battery power (B+)
2 Battery power (B+) 5 ECU ground
3 Power ground 6 Battery power (B+)