Inspection of TCM and Its Circuits: Notes
WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
TCM and its circuits can be checked at TCM wiring connectors by measuring voltage and resistance.
CAUTION:
TCM cannot be checked by itself, it is strictly prohibited to connect voltmeter or ohmmeter to TCM with connector disconnected from it.