Component Function Check

Turn ignition switch OFF, and restart engine.

Does the engine start?

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With CONSULT : GO TO 2.

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Without CONSULT : GO TO 3.

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Refer to Diagnosis Procedure .

With CONSULT

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

Is the inspection result normal?

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INSPECTION END

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Refer to Diagnosis Procedure .

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
   F25	109	E16	162	Courtesy of NISSAN NORTH AMERICA, INC.
   	106
   	105
   	103

   NOTE: The pulse cycle changes depending on RPM at idle.

Is the inspection result normal?

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INSPECTION END

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Refer to Diagnosis Procedure .