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Home >> Mercury >> 2002 >> Villager Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle/Transmission >> Diagnosis And Testing >> Preliminary Inspection >> Shift Point Road Test
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Shift Point Road Test

This test verifies that the shift control system is operating correctly.

  1. Bring engine and transaxle up to normal operating temperature.
  2. Operate vehicle with selector lever in D range.
  3. Apply full and half throttle to observe the speeds at which upshift occurs.
    SHIFT POINTS WITH VEHICLE IN D

    Throttle Position Shift Vehicle Speed in km/h (mph)
    Full open, upshift 1-2 56-64 (34-40)
    Full open, upshift 2-3 100-108 (62 -67)
    Full open, upshift 3-OD 166 -174 (103-108)
    Full open, downshift OD-3 166-158 (103-98)
    Full open, downshift 3-2 98-90 (61-56)
    Full open, downshift 2-1 50-42 (31-26)
    Half throttle, upshift 1-2 36-44 (22-27)
    Half throttle, upshift 2-3 63-71 (39-44)
    Half throttle, upshift 3-OD 101-109 (63 -69)
    Half throttle, downshift OD-3 73-65 (45-40)
    Half throttle, downshift 3-2 44-36 (27-22)
    Half throttle, downshift 2-1 16-8 (10-5)
  4. If transaxle fails to upshift/downshift, refer to DIAGNOSIS BY SYMPTOM INDEX  for possible causes.