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Home >> Infiniti >> 2006 >> M45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - VK45DE - M45 - Introduction And DTC Index >> On Board Diagnostic (OBD) System >> Malfunction Indicator Lamp (MIL) >> How To Switch Diagnostic Test Mode >> Notes
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How To Switch Diagnostic Test Mode: Notes

NOTE:
  • It is better to count the time accurately with a clock.
  • It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit has a malfunction.
  • Always ECM returns to Diagnostic Test Mode I after ignition switch is turned OFF.

How to Set Diagnostic Test Mode II (Self-diagnostic Results) 

  1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
  2. Repeat the following procedure quickly five times within 5 seconds.
    1. Fully depress the accelerator pedal.
    2. Fully release the accelerator pedal.
  3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts blinking.
    NOTE: Do not release the accelerator pedal for 10 seconds if MIL may start blinking on the halfway of this 10 seconds. This blinking is displaying SRT status and is continued for another 10 seconds. For the details, refer to , "HOW TO DISPLAY SRT STATUS ".
  4. Fully release the accelerator pedal.

    ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).

    NOTE: Wait until the same DTC (or 1st trip DTC) appears to confirm all DTCs certainly.
Fig 1: Setting Diagnostic Test Mode II (Self-Diagnostic Results)
G04143151Courtesy of NISSAN MOTOR CO., U.S.A.