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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Air Conditioning System Diagnosis) >> DTC B2409-77: Direction Control 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 mode actuator connector: Connected
Ignition Switch: ON
Driver Seat Mode Actuator's Signal Terminal Sensor Ground

(FIG.1) 

Mode Door Position Voltage
VENT 0.3 ± 0.15V
BI-LEVEL 1.18 ± 0.4V
FLOOR 2.94 ± 0.4V
MIX 3.82 ± 0.4V
DEF 4.7 ± 0.15V

Fig. 1 * Potentiometer voltage by mode door position setting

  1. Is the result within specifications?

    YES 

    NO 

    • Replace the Driver Seat Mode 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 ".