DTC U3004-17: Acc Relay Circuit Malfunction [Start Stop Unit]: Notes
DTC U3004:17 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
ACC relay circuit malfunction |
| Detection condition |
- Start stop unit detects that the ACC monitor voltage of 2.5 V or more for 5 s or more with the ignition switched off.
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| Fail-safe |
Not applicable. |
| Possible cause |
- Malfunction in accessory part installed to accessory socket
- ACC relay malfunction
- Start stop unit connector or terminal malfunction
- Short to power supply in wiring harness between ACC relay terminal C and start stop unit terminal 1E
- Start stop unit malfunction_
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 Courtesy of MAZDA MOTORS CORP.
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