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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 333 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Exterior Door Handle Switch Malfunction >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to: Power Door Locks Description and Operation 

Circuit Description
Signal The control module input circuit has an internal resistance connected to 12 V.
Ground Chassis Ground
Component Description
A24D Door Handle Assembly - Driver Exterior The switch has a normally open contact. When the switch is activated, the signal circuit to the control module is grounded.
A24P Door Handle Assembly - Passenger Exterior The switch has a normally open contact. When the switch is activated, the signal circuit to the control module is grounded.
A24LR Door Handle Assembly - Left Rear Exterior The switch has a normally open contact. When the switch is activated, the signal circuit to the control module is grounded.
A24RR Door Handle Assembly - Right Rear Exterior The switch has a normally open contact. When the switch is activated, the signal circuit to the control module is grounded.
K84 Keyless Entry Control Module The control module also reads various switches and sensors and makes their values available via serial data.
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