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Home >> Genesis >> 2022 >> GV70 3.5T >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission Control System - 3.5L >> Transmission Control Module (TCM) >> Connector & Terminal Information >> Connector End View And Terminal Description >> Circuit Diagram
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Circuit Diagram

  1. TCM Connector 
    G14766935Courtesy of HYUNDAI MOTOR AMERICA
  2. TCM terminal function 
    Pin Description Pin Description
    A1 Underdrive Clutch control solenoid valve A38 -
    A2 Damper clutch control solenoid valve A39 -
    A3 27 Brake control solenoid valve A40 Back UP Comm. (TCM→Electronic shift lever)
    A4 - A41 -
    A5 6 Clutch control solenoid valve A42 -
    A6 - A43 CAN HIGH
    A7 Line pressure control solenoid valve A44 CCP CAN LOW
    A8 35R Clutch control solenoid valve A45 SS - A solenoid valve (ON/OFF)
    A9 4 & OD Clutch control solenoid valve A46 -
    A10 8LR Brake control solenoid valve A47 -
    A11 - A48 -
    A12 Back UP Comm. (TCM→Electronic shift lever) A49 Parking switch ground
    A13 - A50 -
    A14 Parking switch signal "S2" (PWM) A51 -
    A15 Parking switch power (5V) A52 CAN LOW
    A16 - A53 CCP CAN HIGH
    A17 - A54 P position solenoid valve (ON/OFF)
    A18 R position solenoid valve (ON/OFF) A55 Back - up lamp relay
    A19 - A56 Output speed sensor (power), 9V
    A20 Paddle shift (Down) A57 -
    A21 Paddle shift (Up) A58 Input speed sensor (power), 9V
    A22 Parking switch signal "S1" (PWM) A59 -
    A23 - A60 -
    A24 P/N relay A61 -
    A25 Oil temperature sensor (+) A62 -
    A26 Oil temperature sensor (-) A63 -
    A27 Back UP Comm. (TCM→Electronic shift lever) A64 -
    A28 - A65 Solenoid valve power 1 (UD, 27, 8LR, DC)
    A29 - A66 Solenoid valve power 2 (4 & OD, 35R, 6C, LP)
    A30 - A67 Power (VB)
    A31 Input speed sensor signal A68 Power (VB)
    A32 Output speed sensor signal A69 -
    A33 - A70 Solenoid valve power 3 (ON/OFF)
    A34 - A71 Ground
    A35 - A72 Solenoid valve power 4 (ON/OFF)
    A36 - A73 -
    A37 - 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 Clutch control solenoid valve - Output 0V/Battery voltage level
    9V < Battery voltage level < 16V
    A5 6 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 Clutch 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
    OFF 0V (GND)
    A18 R position solenoid valve (ON/OFF) - Output 0V/Battery voltage level
    9V < Battery voltage level < 16V
    A22 Parking switch signal S1 (P) ON Input Battery voltage level
    OFF 0V (GND)
    A24 P/N relay ON Output About 1V
    OFF Battery voltage level
    A25 Oil temperature sensor (+) - Input Maximum 5Vvoltage level
    A26 Oil temperature sensor (-) - Input Minimum 0Vvoltage level
    A31 Input speed sensor signal - Pulse Input Low: About 0.7V, High: 1.4V
    Maximum/Minimum Frequency: 9 kHz/0Hz
    A32 Output speed sensor signal - Pulse Input Low: About 0.7V, High: 1.4V
    Maximum/Minimum Frequency: 9 kHz/0Hz
    A45 SS - A solenoid valve (ON/OFF) - Output 0V/Battery voltage level
    9V < Battery voltage level < 16V
    A54 P position solenoid valve (ON/OFF) - Output 0V/Battery voltage level
    9V < Battery voltage level < 16V
    A55 Back - up lamp relay ON Output 0V
    OFF Battery voltage level
    A56 Output speed sensor power ON Output About 9V voltage level
    OFF 0V
    A58 Input speed sensor power ON Output About 9V voltage level
    OFF 0V
    A65 Solenoid supply power 1 - Power Battery voltage level
    (UD/C, 27/B, 8LR/B, D/C) 9V < Battery voltage level < 16V
    A66 Solenoid supply power 2 - Power Battery voltage level
    (4 & OD/C, 35R/C, 6/C, L/P) 9V < Battery voltage level < 16V
    A67 Battery power ON Power 0V/Battery voltage level
    OFF 9V < Battery voltage level < 16V
    A68 Battery power ON Power 0V/Battery voltage level
    OFF 9V < Battery voltage level < 16V
    A70 ON/OFF Solenoid supply power 3 - Power Battery voltage level
    (P position) 9V < Battery voltage level < 16V
    71 Ground - Ground 0V (GND level)
    72 ON/OFF Solenoid supply power 4 - Power Battery voltage level
    (SS - A, R position) 9V < Battery voltage level < 16V
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