Component Function Check
WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECTION START
Turn ignition switch OFF, and restart engine.
Does the engine start?
YES
GO TO 2.
NO
Proceed to Diagnosis Procedure .
- IGNITION SIGNAL FUNCTION
With CONSULT
- Perform "POWER BALANCE" in "ACTIVE TEST" mode of "ENGINE" using CONSULT.
- Check that each circuit produces a momentary engine speed drop.
Without CONSULT
- Let engine idle.
- Check the voltage signal between ECM harness connector and ground with an oscilloscope.
ECM
Voltage signal
+
-
Connector
Terminal
Connector
Terminal
F54
9
E16
128
10
11
13
14
15
NOTE: The pulse cycle changes depending on rpm at idle.
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to Diagnosis Procedure .