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Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Symptom Troubleshooting - Automatic Transaxle >> Shift Point Is High Or Low >> Notes

Shift Point Is High Or Low: Notes

TROUBLESHOOTING ITEM Shift point is high or low
DESCRIPTION 
  • Shift point considerably different from automatic shift diagram.
  • Shift delays when accelerating.
  • Shift occurs suddenly when accelerating and engine speed does not increase.
POSSIBLE CAUSE 
  • Signal malfunction
    • APP sensor malfunction
    • BARO sensor malfunction
    • Brake switch malfunction
    • ECT sensor No. 1 malfunction
    • IAT sensor No. 1 malfunction
  • Low-G (XY) sensor (built into SAS control module) malfunction
NOTE:
  • When driving on high-altitude roads, the TCM determines that the driving mode is the AAS mode, and may change to a different shift timing from the normal timing.
  • When SPORT mode is selected, a gear lower than NORMAL mode is selected, and the gear is maintained for a longer period of time.
  • If the engine coolant temperature is low, a gear lower than when in normal mode is selected.