DTC B112A-12: IG2 Relay Circuit Malfunction: 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.
| System malfunction location |
IG2 relay circuit malfunction |
| Detection condition |
- With the ignition switched off or to ACC, the start stop unit detects IG2 relay circuit voltage of 2.5 V or more
for 0.5 s or more
.
|
| Fail-safe |
- |
| Possible cause |
- Front body control module (FBCM) connector or terminal malfunction
- Start stop unit connector or terminal malfunction
- Short to power supply in wiring harness between start stop unit terminal 2D and front body control module (FBCM) terminal 2U
- Front body control module (FBCM) malfunction
- Start stop unit malfunction
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