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Home >> Mazda >> 2007 >> 5 Grand Touring, 2.3 L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic [Automatic Transaxle) >> DTC P0841 >> Notes

DTC P0841: Notes

DTC P0841 [FN4A-EL] DETECTION CONDITION CHART

DTC P0841 Oil pressure switch circuit malfunction
DETECTION CONDITION 
  • When DTC P0731, P0732, P0733 and P0734 are not output and 10 s or more  has passed.
    • When all the conditions below are satisfied while driving in 1GR, 2GR or 3GR
      • ATF temperature 20 °C {68 °F} or more 
      • Oil pressure switch OFF
      • Revolution ratio of forward clutch drum revolution to differential gear case revolution within 0.91-3.08 
      • None of the following DTCs are present: P0706, P0707, P0708, P0712, P0713, P0715, P0720, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773
    • When all conditions below are satisfied while driving in 4GR
      • ATF temperature 20 °C {68 °F} or more 
      • Oil pressure switch ON
      • Revolution ratio of forward clutch drum revolution to differential gear case revolution within 0.61-0.79 
      • None of the following DTCs are present: P0706, P0707, P0708, P0712, P0713, P0715, P0720, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773

Diagnostic support note: 

  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • A PENDING CODE is not available.
  • FREEZE FRAME DATA is not available.
  • The AT warning light illuminates.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Oil pressure switch malfunction
  • Open circuit in wiring harness between oil pressure switch terminal A and PCM terminal 1L
  • Short to ground in wiring harness between oil pressure switch terminal A and PCM terminal 1L
  • Damaged connector between oil pressure switch and PCM
  • PCM malfunction
G04316397