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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Diagnostics >> Pre-Check >> 9. Manual Shifting Test

9. Manual Shifting Test

HINT:

By this test, it can be determined whether the trouble is within the electrical circuit or is a mechanical problem in the transmission.

  1. Disconnect the solenoid wire.
  2. Inspect the manual driving operation.

    Check that the shift and gear positions correspond to the table below.

    While driving, shift through the L, 2, 3, 4 and D positions. Check that the gear change corresponds to the shift position.

    Fig 1: Identifying Transmission
    G03632494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    GEAR POSITION

    Shift Position Gear Position
    D 5th
    4 5th
    3 4th
    2 3rd
    L 3rd
    R Reverse
    P Pawl Lock

    HINT:

    If the gear positions of the L, 2, 3, 4 and D are difficult to distinguish, do the above read test.

    If any abnormality is found in the above test, the problem is in the transmission itself.

  3. Connect the solenoid wire.
  4. Clear out the DTC (See PRE-CHECK ).