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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transaxle (Service Information)) >> Mechanical System Test >> Time Lag Test

Time Lag Test

WARNING: This page is about a different variant/trim than selected.
  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.
    • If there is any malfunction, one of the following causes may have occurred:
      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

      Time lag 

      N position → D position: 0.7 s or less

      N position → R position: 1.2 s or less