Inspection Of Keyless Start Control Module And Its Circuits: Notes
WARNING: This page is about a different car, the 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
Keyless start control module and its circuits can be checked at keyless start control module wiring couplers by measuring voltage and resistance.
CAUTION:
Keyless start control module cannot be checked by itself. It is strictly prohibited to connect voltmeter or ohmmeter to keyless start control module with coupler disconnected from it.