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Home >> Toyota >> 2009 >> Corolla S, 1.8 L, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - U250E) >> Automatic Transaxle 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) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT TRANSMISSION WIRE (SR) 
    1. Disconnect the transmission wire connector from the transaxle.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      9 - Body ground 20°C (68°F) 11 to 15 Ω

      NG: Go to step  3

      Fig 1: Identifying B93 Connector Terminals
      G06011405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

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

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition Specified Condition
      B31-80 (SR) - Body ground 20°C (68°F) 11 to 15 Ω

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      Fig 2: Identifying B31 Connector Terminals
      G06011406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: REPLACE ECM  (See REMOVAL )

  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 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      Solenoid Connector (SR) - Solenoid Body (SR) 20°C (68°F) 11 to 15 Ω
    3. Connect the positive (+) lead to the terminal of the solenoid connector, and the negative (-) lead to the solenoid body.

      OK: The solenoid makes an operating sound. 

      NG: REPLACE SHIFT SOLENOID VALVE SR  (See DISASSEMBLY )

      Fig 3: Inspecting Shift Solenoid Valve SR
      G04975878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: REPAIR OR REPLACE TRANSMISSION WIRE  (See REMOVAL )