DTC P0117: Notes

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Notes
DTC P0117 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P0117 ECT sensor circuit low input
DETECTION CONDITION 
  • The PCM monitors the ECT sensor signal. If the PCM detects the ECT sensor voltage below 0.2 V for 5 s  , the PCM determines that the ECT sensor circuit has malfunction.

Diagnostic support note 
  • This is a continuous monitor (Engine cooling system).
  • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Engine overheating
  • ECT sensor connect or terminal malfunction
  • ECT sensor malfunction
  • Short to ground in wiring harness between ECT sensor terminal A and PCM connector terminal 2AH
  • Short each wiring harness ECT signal circuit and ECT ground circuit
  • PCM malfunction
G06760477Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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