Hyundai Equus Manuals

Hyundai Azera: Transaxle Control Module (TCM) Repair procedures - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Azera 2011-2023 Service ManualHyundai Azera: Transaxle Control Module (TCM) Repair procedures

Inspection
Transaxle Control Module(TCM) Problem Inspection Procedure
1.
TEST TCM GROUND CIRCUIT: Measure resistance between TCM and chassis ground using the backside of TCM harness connector as TCM side check point. If the problem is found, repair it.

Specification: Below 1?

2.
TEST TCM CONNECTOR: Disconnect the TCM connector and visually check the ground terminals on TCM side and harness side for bent pins or poor contact pressure. If the problem is found, repair it.
3.
If problem is not found in Step 1 and 2, the TCM could be faulty. If so, make sure there were no DTC's before swapping the TCM with a new one, and then check the vehicle again. If DTC's were found, examine this first before swapping TCM.
4.
RE-TEST THE ORIGINAL TCM: Install the original TCM (may be broken) into a known-good vehicle and check the vehicle. If the problem occurs again, replace the original TCM with a new one. If problem does not occur, this is intermittent problem (Refer to Intermittent Problem Inspection Procedure in Basic Inspection Procedure).
Replacement
1.
Turn ignition switch OFF.
2.
Disconnect the negative (-) battery cable.
3.
Disconnect the TCM connector (A).

4.
Remove the Transaxle Control Module(TCM) (C) after removing the mounting bolts (A) and nut (B).

TCM installation bolt/nut :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Installation
1.
Installation is reverse of removal.
   
In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together.
Transaxle Control Module (TCM) Schematic Diagrams
TCM connector and terminal function TCM Terminal Function Connector [ELG-A] PinDescriptionPinDescription1?51?2?52?3?53?4?54Sports mode down switch5?55?6?56?7?57?8?58?9CCP CAN(HIGH)59?10CAN Commu ...

Transaxle Oil Temperature Sensor Description and Operation
Description Transaxle oil temperature sensor monitors the automatic transaxle fluid's temperature and conveys the readings to TCM. It is an Negative Thermal Coefficient(NTC) sensor whose resist ...

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