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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P1604-U0101) & Circuit Tests) >> SFI System >> DTC P2118: Throttle Actuator Control Motor Current Range / Performance >> Procedure
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DTC P2118: Throttle Actuator Control Motor Current Range / Performance: Procedure

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

      Result Proceed to
      Less than 4 V A
      11 to 14 V B

    B → See step   4 

    A: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (ECM - 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
      D23-60 (+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
      D23-59 (ME01) - Body ground Always Below 1 Ω
      D23-49 (E1) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   3 

  3. REPLACE ECM. Refer to  REMOVAL [06/2012 - ] 
  4. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [06/2012 - ]