Open circuit

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Variable tumble shutter valve switch terminal A and PCM terminal 2W
- Variable tumble shutter valve switch terminal B and PCM terminal 2AA
- Variable tumble shutter valve switch terminal C and PCM terminal 2AE