Hyundai Santa Fe (TM): Automatic Transaxle Control System / Transaxle Control Module (TCM). Description and operation
| Description |
| • |
Monitoring the vehicle's operating conditions to determine the optimal
gear setting.
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| • |
Performing a gear change if the current gear setting differs from the
identified optimal gear setting.
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| • |
Determining the need for damper clutch (D/C) activation and engages
the clutch accordingly.
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| • |
Calculating the optimal line pressure level by constantly monitoring
the torque level and adjusts the pressure accordingly.
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| • |
Diagnosing 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 and Terminal Function TCM Terminal Function Connector [A] Pin No Description Connected to 1 Power ground Chassis Ground 2 - - 3 - - 4 - - 5 - - 6 Fuel Sender Signal Fuel Sender 7 - - 8 - - 9 - - 10 - - 11 - - 12 - - 13 - - 14 - - 15 Stop Lamp Signal Stop Lamp 16 Brake Test Switch Brake Switch 17 18 - 19 - 20 Output Speed (Supply) ATM Solenoid Valve (Otput Speed) 21 Input Speed (Supply) ATM Solenoid Valve (Input Speed) 22 - - 23 - - 24 - - 25 - - 26 - - 27 [A/T] SOL.
Other information:
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Heater & A/C Control Unit (Rear). Repair procedures
Replacement • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Components and components location