DTC P0690:00 [MZI-3.7]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| DTC P0690:00 |
ECM/PCM power relay sense circuit high |
| DETECTION CONDITION |
- This DTC sets when the passive anti theft system (PATS) system indicates the key is in the OFF, ACC, or LOCK position and the ignition switch position run circuit indicates ON or START position.
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| POSSIBLE CAUSE |
- PATS system malfunction
- Short to power supply between battery positive terminal and PCM terminal 1AJ
- Ignition switch malfunction
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 Courtesy of MAZDA MOTORS CORP.
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