Hyundai Tucson: Steering wheel / Heated Steering wheel Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Steering System / Steering wheel / Heated Steering wheel Repair procedures

Repair Procedures
1.
Measure a resistance of NTC and Heated pad.
A.
NTC resistance(Black / Yellow, Black) - 9.0 kx ~ kx (25°C)
B.
Heated pad resistance (Yellow, Black) - 1.4 ~ 1.8 x ± 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)

Removal
[Heated steering switch]
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad side switch assembly.
(Refer to Body - "Crash Pad Lower Panel")

3.
Check the continuity between the switch terminals as the heated steering switch is engaged.

Heated Steering wheel Schematic Diagrams
Schematic Diagram 1. Teminals 2. Teminal function ConnectorNoSignalColorA1GNDBlack2BattaryRed3SwitchWhite4LEDGreen ConnectorNoSignalColorB1HeaterYellow2NTCBlack/Red3GNDBlack 3. S ...

Electric Power Steering
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