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Home >> Infiniti >> 2014 >> Q60 Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0159 (Convertible) >> DTC P0132, P0152: A/F Sensor 1 >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

      TESTING CONDITION: 

      Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle. 

      : GO TO 2.

  2. CHECK A/F SENSOR FUNCTION 
    1. Start engine and warm it up to normal operating temperature.
    2. Select "A/F SEN1 (B1)" or "A/F SEN1 (B2)" in "DATA MONITOR" mode with CONSULT.
    3. Check "A/F SEN1 (B1)" or "A/F SEN1 (B2)" indication.

      Is the indication constantly approx. 5V? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.
    4. Restart engine.
    5. Drive and accelerate vehicle to more than 40 km/h (25 MPH) within 20 seconds after restarting engine.
      CAUTION: Always drive vehicle at a safe speed.
    6. Maintain the following conditions for about 20 consecutive seconds.
      ENG SPEED 1, 000 - 3, 200 RPM
      VHCL SPEED SE More than 40 km/h (25 mph)
      B/FUEL SCHDL 1.5 - 9.0 msec
      Selector lever Suitable position
      NOTE:
      • Keep the accelerator pedal as steady as possible during cruising.
      • If this procedure is not completed within 1 minute after restarting engine at step  4, return to step  1.
    7. Check 1st trip DTC.

      Is 1st trip DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: INSPECTION END