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Home >> Mazda >> 2019 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Service Information) >> Mechanical System Test >> Time Lag Test >> Notes

Time Lag Test: Notes

  1. Perform mechanical system test preparation. (See MECHANICAL SYSTEM TEST PREPARATION .)
  2. Start the engine.
  3. Shift the selector lever from the N position to the D position with the brake pedal depressed.
  4. Measure the time until the shift shock is felt firmly after shifting.
  5. Measure the time lag from the N position to the R position using the same procedure.
Condition Possible cause
N → D shift
  • Insufficient line pressure
  • C1 clutch malfunction (slippage)
  • F3 one-way clutch malfunction
N → R shift
  • Insufficient line pressure
  • C1 clutch malfunction (slippage)
  • C3 clutch malfunction (slippage)
  • F1 one-way clutch malfunction