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: CVVT Oil Control Valve (OCV) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance between the OCV terminals 1 and 2. 4. Check that the resistance is within the specification. Specification : Refer to "Specification" Removal 1. Turn the ignition switch OF ...

Hyundai Elantra AD (2016-2020) Service Manual: Crankshaft Position Sensor (CKPS) Specifications
Specification ItemSpecificationCoil Resistance (?)774 ~ 946 [20°C(68°F)] ...

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