DTC U3004-12; Acc 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 |
ACC relay circuit malfunction |
| Detection condition |
- Start stop unit detects that the ACC relay output monitor voltage of 2.5 V or more for 0.5 s or more with the ignition switched off.
|
| Fail-safe function |
- Door locking operation inhibited while under i-stop control. (With i-stop system)
|
| Possible cause |
- ACC relay malfunction
- Start stop unit connector or terminal malfunction
- Short to power supply in wiring harness between ACC relay terminal A and start stop unit terminal 2C
- Start stop unit malfunction
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