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Incorrect Gear Ratio (Slippage) Test

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If a gear ratio is incorrect but is not detected accurately, it will not be output as a DTC. In order to be output, after shifting into each gear position, the gear position must be held while the vehicle is driven at a speed of 10 km/h {6.2 mph} or more for at least 7 s.
  • An incorrect gear ratio refers to a situation in which, due to clutch slippage in the A/T, the input and output rotation of the A/T differs from a certain value.
  1. Perform road test preparation. (See ROAD TEST PREPARATION .)
  2. Perform the following steps.
    1. Shift into the D range (1GR) and drive for 7 s or more.
    2. Shift into the D range (2GR) and drive for 7 s or more.
    3. Shift into the D range (3GR) and drive for 7 s or more.
    4. Shift into the D range (4GR) and drive for 7 s or more.
  3. Stop the vehicle.
  4. Inspect for a DTC.
    • If any DTC is present, repair according to the inspection procedure for the applicable DTC.
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