Diagnostic Test

Turn ignition switch OFF, and restart engine.

Does the engine start?

YES-1 

With CONSULT: GO TO STEP 2  .

YES-2 

Without CONSULT: GO TO STEP 3  .

NO 

Proceed to DIAGNOSIS PROCEDURE .

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 .

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
   F14	103	E10	152	Courtesy of NISSAN NORTH AMERICA, INC.
   	104
   	106
   	107
   	113
   	114

   NOTE:

   The pulse cycle changes depending on rpm at idle.

Is the inspection result normal?

YES 

INSPECTION END

NO 

Proceed to DIAGNOSIS PROCEDURE .