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Home >> Scion >> 2008 >> xD Automatic >> Repair and Diagnosis >> Engine Performance >> 2ZR-FE Engine Control System >> SFI System >> DTC P0607 Control Module Performance >> Inspection Procedure
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Inspection Procedure

  1. CHECK FOR EXHAUST GAS LEAK 
    1. Allow the engine to idle.
    2. Check for exhaust gas leak around the HO2 sensor.

      OK: 

      No leak from the HO2 sensor. 

    NG: REPAIR OR REPLACE EXHAUST GAS LEAK POINT  (See COMPONENTS )

    OK: Go to next step 

  2. INSPECT HEATED OXYGEN SENSOR 
    Fig 1: Heated Oxygen Sensor Voltage Graph
    G05386759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the tester ON.
    4. Start the engine and warm it up.
    5. Allow the engine to idle.
    6. Select the following menu items: Powertrain / Engine and ECT Active Test / Control the Injection Volume for A/F Sensor.
    7. Check the O2S B1S2 values when the Control the Injection Volume for A/F Sensor is -12.5% Lean fuel-trim.
    8. Check the O2S B1S2 values when the Control the Injection Volume for A/F Sensor is 25% Rich fuel-trim.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Control the Injection Volume for A/F Sensor O2S B1S2
      -12.5% Below 0.2 V
      25% 0.8 V or higher

    NG: REPLACE HEATED OXYGEN SENSOR  (See REMOVAL  )

    OK: Go to next step 

  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P0607) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the tester ON.
    4. Clear DTC (See DTC CHECK / CLEAR  ).
    5. Turn the ignition switch to OFF and turn the tester OFF.
    6. Disconnect the tester.
    7. Disconnect the cable from the battery negative (-) terminal and wait for 1 minute.
    8. Connect the cable to the battery negative (-) terminal,
    9. Connect the tester to the DLC3.
    10. Turn the ignition switch to ON.
    11. Turn the tester ON.
    12. Start the engine.
      Fig 2: Driving Pattern Graph
      G05386760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    13. Perform the drive pattern.
      1. Warm up the engine.
      2. Accelerate the vehicle until 80 km/h (50 mph) and stop the vehicle.
      3. Drive the vehicle at 60 to 80 km/h (35 to 50 mph) for 5 minutes or more.
    14. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
    15. Read DTCs.

      Result 

      RESULT REFERENCE

      Result Proceed to
      No output A
      P0607 B

    B : REPLACE ECM  (See REMOVAL  )

    A : CHECK FOR INTERMITTENT PROBLEMS  (See CHECK FOR INTERMITTENT PROBLEMS  )

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