Hyundai Sonata: Steering wheel / Heated Steering wheel Repair procedures

Inpection

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%

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)

Schematic diagram Terminal function Pin NoFunctionA2Heated steering powerA3Swtich signalA13NTC (-)C9NTC (+) ...

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Hyundai Sonata LF 2014-2019 Service Manual: ESP OFF Switch Repair procedures
Inspection 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the crash pad side switch assembly. 3. Check the continuity between the switch terminals as the ESP OFF switch is engaged. ...