Other information:
Removal
Remove the reversing lamp.
Refer to: Reversing Lamp (417-01 Exterior Lighting, Removal and Installation).
Disconnect the electrical connector.
Remove the screws and the plate.
Remove the rear parking aid camera and washer jet...
Bring the engine to normal operating temperature. Connect
the Vacuum/Pressure Tester to the intake manifold. Run the engine at the
specified idle speed.
The vacuum gauge should read between 51-74 kPa (15-22 in-Hg)
depending upon the engine condition and the altitude at which the test
is conducted...