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Home >> Genesis >> 2019 >> G90 3.3T Premium, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Automatic Transmission Control System) >> Transmission Control Module (TCM) >> Schematic Diagrams >> Schematic Diagrams
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Schematic Diagrams

WARNING: This page is about a different car, the 2017 Genesis G90. However, it is still accessible from the selected car via links, so may be relevant.
  1. TCM Connector and Terminal Function 
    Fig 1: TCM Connector Terminals
    G11404599Courtesy of HYUNDAI MOTOR AMERICA
  2. TCM Terminal Function 
    Pin Description
    A1 Underdrive clutch control solenoid valve
    A2 Damper clutch control solenoid valve
    A3 27 Brake control solenoid valve
    A4 -
    A5 6 Speed clutch control solenoid valve
    A6 -
    A7 Line pressure control solenoid valve
    A8 35R Clutch control solenoid valve
    A9 4&2OD Clutch control solenoid valve
    A10 8LR Brake control solenoid valve
    A11 -
    A12 Back UP Comm. (TCM→Electronic shift lever)
    A13 -
    A14 Parking switch signal "S2" (PWM)
    A15 Parking switch power (5V)
    A16 -
    A17 -
    A18 ON/OFF Solenoid valve (R position)
    A19 -
    A20 Paddle shift (Down)
    A21 Paddle shift (Up)
    A22 Parking switch sinal "S2" (PWM)
    A23 -
    A24 P/N relay
    A25 Oil temperature sensor (+)
    A26 Oil temperature sensor (-)
    A27 Back UP Comm. (TCM→Electronic shift lever)
    A28 -
    A29 -
    A30 -
    A31 Input speed sensor signal
    A32 Output speed sensor signal
    A33 -
    A34 -
    A35 -
    A36 -
    A37 -
    A38 -
    A39 -
    A40 Back UP Comm. (TCM→Electronic shift lever)
    A41 -
    A42 -
    A43 CAN HIGH
    A44 CCP CAN LOW
    A45 ON/OFF solenoid valve (D position)
    A46 -
    A47 -
    A48 -
    A49 Parking switch ground
    A50 -
    A51 -
    A52 CAN LOW
    A53 CCP CAN HIGH
    A55 Reverse lamp relay
    A54 ON/OFF solenoid valve (P position)
    A56 Output speed sensor (power), 9V
    A57 -
    A58 Input speed sensor (power), 9V
    A59 -
    A60 -
    A61 -
    A62 -
    A63 -
    A64 -
    A65 Solenoid valve power 1 (UD, 27, 8LR, DC)
    A66 Solenoid valve power 2 (4&OD, 35R, 6C, LP)
    A67 Power (VB)
    A68 Power (VB)
    A69 -
    A70 Solenoid valve power 3 (ON/OFF)
    A71 Ground
    A72 Solenoid valve power 4 (ON/OFF)
    A73 -
    A74 -
  3. TCM Terminal Input/Output Signal 
    Pin Description Condition Input/Output Value
    Type Level
    A1 Underdrive clutch control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A2 Damper clutch control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A3 27 Brake control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A5 6 Speed clutch control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A7 Line pressure control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A8 35R Clutch control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A9 4&OD Clutch control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A10 8LR Brake control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A14 Parking switch signal "S2" (Not P) ON Input Battery voltage level
    0V (GND)
    OFF
    A18 ON/OFF solenoid valve (R position) - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A22 Parking switch signal "S1" (P) ON Input Battery voltage level
    0V (GND)
    OFF
    A24 P/N relay ON Output About 1V
    Battery voltage level
    OFF
    A25 Oil temperature sensor (+) - Input Maximum 5V voltage level
    A26 Oil temperature sensor (-) - Input Minimum 0V voltage level
    A31 Input speed sensor signal - Pulse Input Low: About 0.7V, High: 1.4V
    Maximum/Minimum Frequency:
    NTU1 - 9kHz/0Hz
    A32 Output speed sensor signal - Pulse Input Low: About 0.7V, High: 1.4V
    Maximum/Minimum Frequency:
    NAB - 9kHz/0Hz
    A45 ON/OFF solenoid valve (D position) - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A54 ON/OFF solenoid valve (P position) - Output 0V/Battery voltage level
    9V < Battery voltage level <16V
    A55 Reserve lamp relay ON Output 0V/Battery voltage level
    OFF
    A56 Output speed sensor power ON Output About 9V voltage level
    0V
    OFF
    A58 Input speed sensor power ON Output About 9V voltage level
    0V
    OFF
    A65 Solenoid supply power 1
    (UD/C, 27/B, 8LR/B, D/C)    		 - Power Battery voltage level
    9V < Battery voltage level <16V
    A66 Solenoid supply power 2
    (4&OD/C, 35R/C, 6/C, L/P)    		 - Power Battery voltage level
    9V < Battery voltage level <16V
    A67 Battery power ON Power 0V/Battery voltage level
    9V < Battery OFF voltage level <16V
    OFF
    A68 Battery power ON Power 0V/Battery voltage level
    9V < Battery voltage level <16V
    OFF
    A70 Solenoid supply power 3 (ON/OFF solenoid) - Power Battery voltage level
    9V < Battery voltage level <16V
    A71 Ground - Ground 0V (GND level)
    A72 Solenoid supply power 4
    (ON/OFF solenoid)    		 - Power Battery voltage level
    9V < Battery voltage level <16V
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