DTC P0117: Notes
DTC P0117 DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0117 |
ECT circuit low input |
| DETECTION CONDITION |
- The PCM monitors ECT sensor signal. If the PCM detected ECT sensor voltage below 0.18 V , 0.20 V
the PCM determines that the ECT sensor circuit has malfunction.
Diagnostic support note
- This is a continuous monitor (Engine cooling system).
- MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
- PENDING CODE is available if PCM detects the above malfunction condition.
- FREEZE FRAME DATA is available.
- DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- ECT sensor malfunction
- Connect or terminal malfunction
- Short to ground circuit between ECT sensor terminal A and PCM connector terminal 2AH.
- Short each harness ECT signal circuit and ECT ground circuit.
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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