The switch is on top of the transaxle, it is an input to the SJB (smart junction box) which controls the lamps with a relay.
Diagnosing that circuit should be done with a scan tool that can display the SJB data and also command it to operate the relay with bi-directional controls.
Comments
Diagnosing that circuit should be done with a scan tool that can display the SJB data and also command it to operate the relay with bi-directional controls.