Hyundai Sonata: Heated Steering wheel Repair procedures - Steering wheel - Steering SystemHyundai Sonata: Heated Steering wheel Repair procedures

Inpection
1.
Measure a resistance of NTC and Heated pad.
A.
NTC resistance(Black / Yellow, Black) - 10.0 k? ± 10% (25°C)
B.
Heated pad resistance (Yellow, Black) - 1.6 ~ 2.0 ? ± 10%
2.
Measure a temperature.
A.
The temperature of wheel surface grip must rise from -20°C to 20°C within 6 minute
B.
The temperature of wheel surface grip must keep 38°C ± 4°C after 25 minute
C.
At that time switch on, all measure point (1~8)

    Heated Steering wheel Schematic Diagrams
    Schematic diagram Terminal function Pin NoFunctionA2Heated steering powerA3Swtich signalA13NTC (-)C9NTC (+) ...

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