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Home >> Lexus >> 2007 >> IS 250 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (4GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection & Installation >> VVT Sensor >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. INSPECT CHECK VVT SENSOR OUTPUT VOLTAGE 
    Fig 1: Identifying VVT Sensor Connector Terminals
    G05316664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Turn the engine switch on (IG).
    2. Check the voltage between the terminals.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      E3-29 (VC) - Body ground Engine switch on (IG) 5V
      E5-29 (VC2) - Body ground Engine switch on (IG) 5V
    3. While turning the crankshaft pulley by hand, measure the voltage between each terminal. Check that the voltage changes between the Hi range and Lo range shown in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Sensor Position Terminal No. Voltage (HI) Voltage (Lo)
      Bank 1 (Intake side) VV1+ (E3-21) - VV1- (E3-20) 3.75 to 4.50 V 0.50 to 1.25 V
      Bank 2 (Intake side) VV2+ (E3-19) - VV2- (E3-18) 3.75 to 4.50 V 0.50 to 1.25 V
      Bank 1 (Exhaust side) EV1+ (E5-19) - EV1- (E5-18) 3.75 to 4.50 V 0.50 to 1.25 V
      Bank 2 (Exhaust side) EV2+ (E6-13) - EV2- (E6-12) 3.75 to 4.50 V 0.50 to 1.25 V
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