Lexus IS250 · Service Manual ENGINE

ON-VEHICLE INSPECTION

Inspection


INSPECT CHECK VVT SENSOR OUTPUT VOLTAGE

A124867E05

  1. Turn the engine switch on (IG).

  1. Check the voltage between the terminal.

    Standard voltage:
    Tester Connection
    		 Condition
    		 Specified Condition
    E3-29 (VC) - Body ground
    		 Engine switch on (IG)
    		 5 V
    E3-29 (VC2) - Body ground
    		 Engine switch on (IG)
    		 5 V

  1. 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:
    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+ (E6-19) - EV1- (E36-18)
    		 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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