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Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission (A960E)) >> Automatic Transmission System >> DTC P0985 Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR): DTC P0986 Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR) >> Wiring Diagram

DTC P0985 Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR): DTC P0986 Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR): Wiring Diagram

WARNING: This page is about a different variant/trim than selected.
Fig 1: Wiring Diagram - Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR)
G04045777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

ECM COMMAND GEARSHIFT CHART

ECM command gearshift 1st 2nd 3rd 4th 5th 6th
Shift solenoid valve SR ON ON ON ON OFF OFF
  1. INSPECT TRANSMISSION WIRE (SR) 
    1. Disconnect the transmission wire connector from the transmission.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    TESTER CONNECTION SPECIFIED CONDITION CHART

    Tester Connection Specified Condition 20°C (68°F)
    6 - Body ground 11 to 15 Ω
    Fig 2: Inspecting Transmission Wire (SR)
    G04045778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : Go to step  3

    OK : Go to next Step 

  2. CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) 
    1. Connect the transmission connector to the transmission.
    2. Disconnect the connector from the ECM.
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    TESTER CONNECTION SPECIFIED CONDITION CHART

    Tester Connection Specified Condition 20°C (68°F)
    E4-2 (SR) - Body ground 11 to 15 Ω
    Fig 3: Disconnecting E4 Connector From ECM
    G04045779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : REPLACE ECM 

  3. INSPECT SHIFT SOLENOID VALVE SR 
    1. Remove the shift solenoid valve SR.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition 20°C (68°F)
      Solenoid Connector (SR) - Solenoid Body (SR) 11 to 15 Ω
    3. Connect the positive (+) lead to the terminal of the solenoid connector, and the negative (-) lead to the solenoid body.
    Fig 4: Inspecting Shift Solenoid Valve SR
    G04045780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    The solenoid makes an operating sound. 

    NG : REPLACE SHIFT SOLENOID VALVE SR 

    OK : REPAIR OR REPLACE TRANSMISSION WIRE