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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Air Conditioning System Diagnosis) >> DTC B2406-77: Air Mix Motor (Driver) >> Component Inspection >> Actuator Potentiometer Inspection

Actuator Potentiometer Inspection

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Item Normal Value Prerequisite Condition Probe (+) Probe (-)
Signal Circuit: Voltage Refer to FIG 1 A/C Control Module, driver seat temperature actuator connector: Connected
Ignition switch: ON
Driver seat temperature actuator's signal terminal Sensor ground

(FIG.1) 

Actuator Position Voltage
Max. COOL 0.3 ± 0.15V
Max. WARM 4.7 ± 0.15V

Fig. 1 * Voltage of the Driver Seat Temperature Actuator by setting

  1. Is the result within specifications?

    YES 

    NO 

    • Replace the Driver Seat Temperature Actuator with an usable one and check for proper operation. If it works properly, put the new actuator in place.
    • Repair or replace relevant component (s) as necessary and then go to "VERIFICATION OF VEHICLE REPAIR ".