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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Wheel And Column >> Diagnostic Information and Procedures >> Heated Steering Wheel Indicator Malfunction >> Circuit/System Description

Circuit/System Description

For an overview of the component/system, refer to: Steering Wheel and Column Description and Operation 

Circuit Description
Ignition circuit Supplied from a relay.
Control Circuit The output circuit is switched to ground to activate the component.
Signal circuit When the switch is activated, the signal circuit to the control module is grounded.
Ground circuit Chassis Ground
Component Description
K32 Steering Wheel Heating Control Module When the control module receives a signal from the switch S70L it switches the steering wheel heating and the indicator On/Off.The control module is located inside the steering wheel.
S70L Steering Wheel Controls Switch - Left The position of the switch S70L is read by the control module K32.The switch assembly has 1 function (s) : E15 Steering Wheel Heater
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