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On-Vehicle Inspection

  1. CHECK CAMSHAFT POSITION SENSOR OUTPUT VOLTAGE 
    1. Remove the V-bank cover sub-assembly. Refer to REMOVAL - Step 2 .
    2. Disconnect the 2 fuel delivery pipe connectors.
      Fig 1: Identifying Fuel Delivery Pipe Connectors
      GTY148777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 4 connectors with wire harness locks from the 2 injector drivers.
      Fig 2: Identifying Injector Drivers & Connectors
      GTY148776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • To release each connector lock, push the claw downward ("Release" in the illustration) and move the lock lever ("Move" in the illustration).
      • Perform this step to prevent the engine from starting.
    4. Remove the engine room ECU cover See step  5.
    5. Turn the engine switch on (IG).

      HINT: 

      Do not start the engine.

    6. Measure the voltage according to the value(s) in the table below.
      Fig 3: Identifying ECU Connector E3 & E4
      GTY145280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      E3-18 (VC) - E4-32 (G2-) Engine switch on (IG) 5 V
    7. 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

      Tester Connection Switch Condition Specified Condition
      E4-24 (G2+) - E4-32 (G2-) Engine switch on (IG) 3.75 to 4.50 V (Voltage (Hi))
      0.50 to 1.25 V (Voltage (Lo))
  2. CHECK VVT SENSOR OUTPUT VOLTAGE 
    1. Remove the V-bank cover sub-assembly. Refer to REMOVAL - Step 2 .
    2. Disconnect the 2 fuel delivery pipe connectors.
      Fig 4: Identifying Fuel Delivery Pipe Connectors
      GTY148777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 4 connectors with wire harness locks from the 2 injector drivers.
      Fig 5: Identifying Injector Drivers & Connectors
      GTY148776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • To release each connector lock, push the claw downward ("Release" in the illustration) and move the lock lever ("Move" in the illustration).
      • Perform this step to prevent the engine from starting.
    4. Remove the engine room ECU cover See step  5.
    5. Turn the engine switch on (IG).

      HINT: 

      Do not start the engine.

    6. Measure the voltage according to the value(s) in the table below.
      Fig 6: Identifying ECU Connector Terminal
      GTY145281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      E3-18 (VC) - E4-33 (VV1-) Engine switch on (IG) 5 V
      E3-18 (VC) - E5-29 (VV2-) Engine switch on (IG) 5 V
      E3-18 (VC) - E3-33 (EV1-) Engine switch on (IG) 5 V
      E3-18 (VC) - E6-29 (EV2-) Engine switch on (IG) 5 V
    7. 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 Tester Connection Switch Condition Specified Condition
      Bank 1 (Intake side) E4-25 (VV1+) - E4-33 (VV1-) Engine switch on (IG) 3.75 to 4.50 V (Voltage (Hi))
      0.50 to 1.25 V (Voltage (Lo))
      Bank 2 (Intake side) E5-19 (VV2+) - E5-29 (VV2-) Engine switch on (IG) 3.75 to 4.50 V (Voltage (Hi))
      0.50 to 1.25 V (Voltage (Lo))
      Bank 1 (Exhaust side) E3-26 (EV1+) - E3-33 (EV1-) Engine switch on (IG) 3.75 to 4.50 V (Voltage (Hi))
      0.50 to 1.25 V (Voltage (Lo))
      Bank 2 (Exhaust side) E6-22 (EV2+) - E6-29 (EV2-) Engine switch on (IG) 3.75 to 4.50 V (Voltage (Hi))
      0.50 to 1.25 V (Voltage (Lo))
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