No. 2 Check Engine Light Illuminates: Notes
WARNING: This page is about a different car, the 2016 Mazda CX-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 1B-BCM terminal 2D
- Instrument cluster terminal 1D-BCM terminal 2C
- BCM terminal 3C-PCM terminal 2AK
- BCM terminal 3D-PCM terminal 2AL
- Open circuit in wiring harness between the following terminals:
- Instrument cluster terminal 1B-BCM terminal 2D
- Instrument cluster terminal 1D-BCM terminal 2C
- BCM terminal 3C-PCM terminal 2AK
- BCM terminal 3D-PCM terminal 2AL
- Instrument cluster malfunction
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