Hyundai Elantra: Automatic Transaxle Control System / Repair procedures

Adjustment
Transaxle Control Module(TCM) Learning
When shift shock is occurred or parts related with the transaxle are replaced, TCM learning should be performed.
In the following case, TCM learning is required.
•
Transaxle assembly replacement
•
TCM replacement
•
TCM upgrading
TCM learning procedure
1.
Automatic Transaxle Fluid (ATF) temperature: 40 ~ 100 °C (104 ~ 212 °F)
2.
Static learning
Repeat the below shift pattern four times or more with stepping on the brake.

3.
Driving learning
Drive the vehicle from a stop in D through all gears 1st, 2nd, 3rd, 4th, 5th and 6th gear while holding the throttle steady at the specified Throttle Position Sensor (TPS) value (15 ~ 25%).
Schematic Diagrams
Circuit Diagram ...

Transaxle Control Module (TCM) Description and Operation
Description • Monitors the vehicle's operating conditions to determine the optimal gear setting. • Performs a gear change if the current gear setting differs from the identified optima ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Temperature Control Actuator Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the temperature control actuator connector. 3. Verify that the temperature control actuator operates to the cool position when connecting 12V to terminal 3 and grounding terminal 7. Verify that the temperature control actuato ...

Hyundai Elantra AD (2016-2020) Service Manual: Relay Box (Engine Compartment) Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Pull out the relay from the engine compartment relay block. Power Relay (Type A) Check for continuity between the terminals. 1. After supplying power to between No. 85 and 86 power relay terminals, check that there is co ...

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