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Home >> Lexus >> 2008 >> RX 350 FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> U151E Automatic Transaxle >> Automatic Transaxle System >> Manual Shifting Test

Manual Shifting Test

  1. PERFORM MANUAL SHIFTING TEST 

    HINT:

    • With this test, it can be determined whether the trouble occurs in the electrical circuit or is a mechanical problem in the transaxle.
    • If any abnormalities are found in the following test, the problem is in the transaxle itself.
    1. Disconnect the connector of the transmission wire.
    2. Gate shift lever type:

      Drive with the transmission wire disconnected. Shifting the shift lever in the order of 2, 3, 4 and D position to check whether the shifting condition changes the table below.

      SHIFTING CONDITION CHART

      Shift Position Shifting Condition
      L ←→ 2 No Shift (Not Change)
      2 ←→ 3 Down Shift ←→ Up Shift
      3 ←→ 4 ↔ D No Shift (Not Change)

      HINT:

      When driving with the transmission wire disconnected, the shift lever position is in L or 2, the gear position is held in 3rd and the shift lever position is in 3, 4 or D, the gear position is held in 4th. However, when the shift position is in R or P, the operation is same as usual.

      Fig 1: Locating Transmission Wire Connector
      G05840446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Multi-mode shift lever type:

      Drive with the transmission wire disconnected.

      Shifting the shift lever to the D position to check whether the shifting condition changes the table below.

      SHIFTING CONDITION CHART

      Shift Position Shifting Condition
      D No Shift (Not Change)

      HINT:

      When driving with the transmission wire disconnected, the shift lever position is in D, the gear position is held in 4th. However, when the shift position is in R or P, the operation is same as usual.

    4. Connect the connector of the transmission wire.
    5. Clear the DTC.