DTC B112A-11; IG2 Relay Circuit Malfunction: 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.
DETECTION CONDITION & POSSIBLE CAUSE
| Description |
IG2 relay circuit malfunction |
| Detection condition |
- Start stop unit detects the IG2 relay output monitor voltage of 2.5 V or less for 0.5 s or more with the ignition switched ON (engine off or on).
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| Fail-safe function |
Not applicable |
| Possible cause |
- Front body control module (FBCM) connector or terminal malfunction
- Start stop unit connector or terminal malfunction
- Short to ground 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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