Component Function Check

Turn ignition switch OFF, and restart engine.

Does the engine start?

YES>>

With CONSULT : GO TO 2.

YES>>

Without CONSULT : GO TO 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
   	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 .