DTC P0117: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0117 DETECTION CONDITION 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  , the PCM determines that the ECT sensor circuit has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (Engine cooling system).
  • The MIL illuminates if the PCM detects the above malfunction condition during first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • ECT sensor malfunction
  • Connect or terminal malfunction
  • Short to ground in the wiring harness between ECT sensor terminal A and PCM connector terminal 1M
  • Short to each wiring harness in ECT signal circuit and ECT ground circuit
  • PCM malfunction
G04324099Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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