Circuit/System Verification

WARNING: This page is about a different car, the 2018 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition - On/Vehicle - In Service Mode
Verify the scan tool parameter: Trunk Lid/Liftgate Window Exterior Unlatch Switch = Inactive
- If not the specified state
  Refer to: Circuit/System Testing - Test 1
- Go to next step: If the specified state
Operate the component: S58A Rear Compartment Lid Unlatch Switch - Exterior - Pressed
Verify the scan tool parameter: Trunk Lid/Liftgate Window Exterior Unlatch Switch = Active
- If not the specified state
  Refer to: Circuit/System Testing - Test 1
- Go to next step: If the specified state
Verify the scan tool parameter: Interior Liftgate/Liftgate Window Unlatch Switch = Inactive
- If not the specified state
  Refer to: Circuit/System Testing - Test 2
- Go to next step: If the specified state
Operate the component: S58B Rear Compartment Lid Unlatch Switch - Interior - Pressed
Verify the scan tool parameter: Interior Liftgate/Liftgate Window Unlatch Switch = Active
- If not the specified state
  Refer to: Circuit/System Testing - Test 2
- Go to next step: If the specified state
Perform the scan tool control function: Trunk Lid Unlatch Command - Unlatch
Verify a click can be heard or felt at the component when the scan tool control function was commanded: M40 Rear Compartment Lid Latch
- If a click cannot be heard or felt
  Refer to: Circuit/System Testing - Test 3
- Go to next step: If a click can be heard or felt
All OK.