DTC P0117: Notes
DTC P0117 DETECTION & CONDITION POSSIBLE CAUSES
| DTC P0117 |
ECT sensor circuit low input |
| DETECTION CONDITION |
- The PCM monitors the input voltage from the ECT sensor when the engine is running. If the input voltage is less than 0.2 V
, the PCM determines that the ECT sensor circuit input voltage is low.
Diagnostic support note
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
- PENDING CODE is available if the PCM detects the above malfunction condition.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- ECT sensor malfunction
- Connector or terminal malfunction
- Short to ground in wiring harness between ECT sensor terminal A and PCM terminal 2K
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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