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Circuit/System Description

For an overview of the component/system, refer to: Rear Hatch/Gate Description and Operation 

Circuit Description
Signal The control module input circuit has an internal resistance connected to 12 V.
Ground Chassis Ground
Component Description
B85 Rear Compartment Lid Key Cylinder Switch
  • The switch has a normally open contact.
  • When the switch is activated, the signal circuit to the control module is grounded.
K9 Body Control Module The module controls various vehicle functions like lighting, central door locking, power windows, etc.
S46 Liftgate Handle Switch
  • The switch has a normally open contact.
  • When the switch is activated, the signal circuit to the control module is grounded.
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