No. 2 Check Engine Light Illuminates: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. 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.
NOTE:
- If there is a malfunction in the engine system, the PCM stores a DTC and illuminates the check engine light.
|
| 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 2P
- Instrument cluster terminal D-Front body control module (FBCM) terminal 2N
- Front body control module (FBCM) terminal 2R-PCM terminal 2AK
- Front body control module (FBCM) terminal 2L-PCM terminal 2AL
- Open circuit in wiring harness between the following terminals:
- Instrument cluster terminal B-Front body control module (FBCM) terminal 2P
- Instrument cluster terminal D-Front body control module (FBCM) terminal 2N
- Front body control module (FBCM) terminal 2R-PCM terminal 2AK
- Front body control module (FBCM) terminal 2L-PCM terminal 2AL
- Instrument cluster malfunction
|
|
|