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Home >> Nissan-Datsun >> 2012 >> Murano SL, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (Engine Control System - Component Testing (CROSSCABRIOLET)) >> Ignition Signal >> Component Function Check
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Component Function Check

WARNING: This page is about a different variant/trim than selected.
  1. INSPECTION START

    Turn ignition switch OFF, and restart engine.

    Does the engine start? 

    YES-1: With CONSULT: GO TO 2.

    YES-2: Without CONSULT: GO TO  3.

    NO: Proceed to "DIAGNOSIS PROCEDURE ".

  2. CHECK IGNITION SIGNAL FUNCTION

    With CONSULT 

    1. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT.
    2. Check that each circuit produces a momentary engine speed drop.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".

  3. CHECK IGNITION SIGNAL FUNCTION

    Without CONSULT 

    1. Let engine idle.
    2. Read the voltage signal between ECM harness connector terminals with an oscilloscope.
      ECM Voltage signal
      + -
      Connector Terminal Connector Terminal
      F7 9 E16 112
      G08428929Courtesy of NISSAN NORTH AMERICA, INC.
      10
      11
      18
      19
      21
      NOTE: The pulse cycle changes depending on rpm at idle.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".