Hyundai Elantra (CN7): Motor Driven Power Steering / MDPS Wiring

Repair procedures

Removal
   
•
For DTC C125901 / C125929 / C125938 / C129002, refer to "CN7 MDPS DTC Diagnostic Guide".
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
   
•
Disconnect the battery negative cable from the battery and then wait for at least 3 minutes.
2.
Remove the fuse cover (A).

3.
Disconnect the grommet (A) and MDPS connector (B).

   
•
When removing the connector, separate it as follows.

4.
Remove the wiring after disconnecting the MDPS connector (A).

Installation
1.
To install, reverse the removal procedures.

    Repair procedures Removal1.Loosen the wheel nuts slightly.Raise the vehicle, and make sure it is securely supported.2.Remove the front wheel and tire (A) from the front hub.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    DescriptionSystem OverviewThe System offers the following features:– Human / machine interface through a 1-stage button, for terminal switching and engine start.– Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Power Mosfet

    Description and operation DescriptionIt is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor. Repair procedures Inspection1.Manually operate the control switch and measure the voltage of the blower motor.

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