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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (Automatic Transmission - U151F) >> Automatic Transaxle System >> DTC P0798 Pressure Control Solenoid "C" Electrical (Shift Solenoid Valve SL3) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SL3) 
    1. Disconnect the B32 wire connector.
    2. Measure the resistance of the transmission wire.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      4 (SL3+) - 11 (SL3-) 20°C (68°F) 5.0 to 5.6 Ω
      4 (SL3+) - Body ground 20°C (68°F) 1 MΩ or higher
      11 (SL3-) - Body ground 20°C (68°F) 1 MΩ or higher

    NG: Go to step   3 

    Fig 1: Inspecting Transmission Wire (Shift Solenoid Valve SL3)
    G04487540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go TO NEXT STEP. 

  2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) 
    1. Disconnect the B30 ECM connector.
    2. Measure the resistance of the wire harness side connector.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      B30-14 (SL3+) - B30-15 (SL3-) 20°C (68°F) 5.0 to 5.6 Ω
      B30-14 (SL3+) - Body ground 20°C (68°F) 1 MΩ or higher
      B30-15 (SL3-) - Body ground 20°C (68°F) 1 MΩ or higher

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 2: Identifying B30 ECM Connector
    G04487541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE ECM 

  3. INSPECT SHIFT SOLENOID VALVE SL3 
    1. Remove the shift solenoid valve SL3.
    2. Measure the resistance of the solenoid valve.

      Standard resistance: 5.0 to 5.6 Ω at 20°C (68°F) 

    3. Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise.

      OK: Valve moves and makes operating noise. 

    NG: REPLACE SHIFT SOLENOID VALVE SL3 

    Fig 3: Inspecting Shift Solenoid Valve
    G04486882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPAIR OR REPLACE TRANSMISSION WIRE