Component Function Check

WARNING: This page is about a different car, the 2023 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

INSPECTION START
1. Turn ignition switch OFF, and restart engine.
Does the engine start?

YES>>

With CONSULT: : GO TO 2.

YES>>

Without CONSULT : GO TO 3.

NO>>

Refer to Diagnosis Procedure .
CHECK IGNITION SIGNAL FUNCTION-1
1. 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?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure .

CHECK IGNITION SIGNAL FUNCTION-2

Without CONSULT

Let engine idle.

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
	106
	105
	103

NOTE:

The pulse cycle changes depending on RPM at idle.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure .