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Home >> Mazda >> 2011 >> 2 Touring, 1.5 Z, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZR 1.5] >> DTC P0537:00 >> Notes

DTC P0537:00: Notes

DTC P0537:00 (MZR 1.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0537:00 Evaporator temperature sensor circuit low input
DETECTION CONDITION 
  • If the input voltage is less than 0.08 V  for 16 s or more  , the PCM determines that the evaporator temperature sensor circuit has a malfunction.

    Diagnostic support note 

  • This is a continuous monitor (other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Evaporator temperature sensor connector or terminals malfunction
  • Evaporator temperature sensor malfunction
  • Short to ground in wiring harness between evaporator temperature sensor terminal B and PCM terminal 1AW
  • PCM connector or terminals malfunction
  • Evaporator temperature sensor signal circuit and ground circuit are shorted to each other
  • PCM malfunction
G06940400