DTC P1289:00 [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 P1289:00 |
CHT sensor circuit high input |
| DETECTION CONDITION |
- Indicates a CHT sensor circuit open
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| POSSIBLE CAUSE |
- Short to power supply in wiring harness between CHT sensor terminal B and PCM terminal 2AV
- Connector or terminal malfunction
- Open circuit in wiring harness between CHT sensor terminal A and PCM terminal 2G
- Open circuit in wiring harness between CHT sensor terminal B and PCM terminal 2AV
- CHT sensor malfunction
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 Courtesy of MAZDA MOTORS CORP.
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