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Manual Downshift Test

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Move the manual selector to the Drive (D) selector.
  2. Operate the vehicle at 64-88 km/h (40-55 mph) and the Overdrive switch pressed.
  3. Release the accelerator pedal and the Overdrive Switch.
  4. Verify the following operating conditions:
    • The Torque Converter Clutch (TCC) releases.
    • The transaxle downshifts immediately to third gear.
    • The engine reduces the vehicles speed.
  5. Operate the vehicle at 48 km/h (30 mph).
  6. Release the accelerator pedal.
  7. Move the manual selector to the Second (2) range.
  8. Verify the following operating conditions:
    • The TCC at 24 km/h (15 mph).
    • The transaxle downshifts immediately to second gear.
    • The engine reduces the vehicles speed.
    • Manual 2nd to low shift.
  9. Move the manual selector to the Drive (D) selector.
  10. Operate the vehicle at 24 km/h (15 mph).
  11. Release the accelerator pedal.
  12. Move the manual selector to the Low (L) range.
  13. Verify the following operating conditions:
    • The TCC releases.
    • The transaxle downshifts immediately to first gear.
    • The engine reduces the vehicles speed.
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