No. 2 Check Engine Light Illuminates: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

2	Check engine light illuminates
DESCRIPTION	Check engine light illuminates incorrectly.
POSSIBLE CAUSE	Check engine light illuminates for emission-related concern (DTC is stored in PCM) Short to ground in wiring harness between the following terminals: Instrument cluster terminal B-Front body control module (FBCM) terminal 2K Instrument cluster terminal D-Front body control module (FBCM) terminal 2I Front body control module (FBCM) terminal 2P-PCM terminal 2AK Front body control module (FBCM) terminal 2N-PCM terminal 2AL Open circuit in wiring harness between the following terminals: Instrument cluster terminal B-Front body control module (FBCM) terminal 2K Instrument cluster terminal D-Front body control module (FBCM) terminal 2I Front body control module (FBCM) terminal 2P-PCM terminal 2AK Front body control module (FBCM) terminal 2N-PCM terminal 2AL Instrument cluster malfunction NOTE: If the check engine light blinks at a steady rate, a misfire condition could possibly exist.