Hyundai Venue (QX): Automatic Transaxle Control System / Transaxle Control Module (TCM). Description and operation
| Description |
| • |
Monitors the vehicle's operating conditions to determine the optimal
gear setting.
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| • |
Performs a gear change if the current gear setting differs from the
identified optimal gear setting.
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| • |
Determines the need for damper clutch (D/C) activation and engages the
clutch accordingly.
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| • |
Calculates the optimal line pressure level by constantly monitoring
the torque level and adjusts the pressure accordingly.
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| • |
Diagnoses the automatic transaxle for faults and failures.
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Adjustment TCM Learning 1. Overview and purpose of learning 1) The purpose is to ensure the initial operation safety by correcting the oil pressure differences between transmissions.
TCM Connector Connector [A] Pin Description 2 35R clutch control solenoid valve (35R/C_VFS) 4 26 brake control solenoid valve (26/B_VFS) 5 Underdrive brake control solenoid valve (UD/B_VFS) 8 Inhibitor switch signal S2 (R) 19 Line pressure control solenoid valve (LINE_VFS) 21 Input speed sensor power 22 Output speed sensor power 32 Torque converter control solenoid valve (T/CON_VFS) 33 VB (Battery voltage) 34 Solenoid supply power 2 37 Output speed sensor signal 38 Inhibitor switch signal S4 (D) 39 Inhibitor switch signal S1 (P) 40 Manual mode up shift 42 Manual mode select switch 43 Oil temperature sensor (+) 45 VB (Battery voltage) 46 ON/OFF solenoid valve A(SS-A) 47 Overdrive clutch control solenoid valve (OD/C_VFS) 48 VB (Battery voltage) 49 Solenoid supply power 1 52 Input speed sensor signal 54 Inhibitor switch signal S3 (N) 57 Manual mode down shift 58 Oil temperature sensor (-) TCM Terminal input/ output signal Connector [A] Pin Description Condition Input/output value Type Level 2 35R clutch control solenoid valve (35R/C_VFS) - Output 0V/Battery voltage level 9V < Battery voltage level < 16V 4 26 brake control solenoid valve (26/B_VFS) - Output 0V/Battery voltage level 9V < Battery voltage level < 16V 5 Underdrive brake control solenoid valve (UD/B_VFS) - Output 0V/Battery voltage level 9V < Battery voltage level < 16V 8 Inhibitor switch signal S2 (R) High Input 0V/Battery voltage level Low 9V < Battery voltage level < 16V 19 Line pressure control solenoid valve (LINE_VFS) - Output 0V/Battery voltage level 9V < Battery voltage level < 16V 21 Input speed sensor power ON Power 0V/9V OFF 22 Output speed sensor power ON Power 0V/9V OFF 32 Torque converter control solenoid valve (T/CON_VFS) - Output 0V/Battery voltage level 9V < Battery voltage level < 16V 34 Solenoid power 2 Power 0V/Battery voltage level 9V < Battery voltage level < 16V 37 Output speed sensor signal High Input 0.
Other information:
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Hyundai Venue (QX) (2020-2025) Service Manual: Compressor. Components and components location
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