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Home >> Lexus >> 2016 >> CT 200h Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (2 Of 3) >> SFI System >> DTC P2118: Throttle Actuator Control Motor Current Range / Performance [08/2014 - ] >> Procedure

DTC P2118: Throttle Actuator Control Motor Current Range / Performance [08/2014 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (+BM VOLTAGE) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Gas Throttle / +BM Voltage.
    5. Read the value displayed on the Techstream.
      RESULT

      Result Proceed to
      Below 4 V A
      11 to 16 V B

    Result:  B

    CHECK FOR INTERMITTENT PROBLEMS 

    (See article. Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2014 - ] )

    Result:  A

    See step  2

  2. CHECK HARNESS AND CONNECTOR (ECM - AUXILIARY BATTERY, BODY GROUND) 
    1. Disconnect the ECM connectors.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A60-3 (+BM) - Body ground Always 11 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D27-19 (ME01) - Body ground Always Below 1 Ω
      D27-104 (E1) - Body ground Always Below 1 Ω

    Result:  OK

    OK 

    REPLACE ECM 

    (See article. Refer to REMOVAL [08/2014 - ] )

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR