Open circuit

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. 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.
- IAT sensor No.2 terminal A and PCM terminal 4O
- IAT sensor No.2 terminal B and PCM terminal 4R