1.INSPECTION START
Turn ignition switch OFF, and restart engine.
Does the engine start?
YES-1
>>
With CONSULT-III:
GO TO 2
.
YES-2
>>
Without CONSULT-III:
GO TO 3
.
NO
>>
Go to
Diagnosis Procedure (GT-R certified NISSAN dealer)
.
2.CHECK IGNITION SIGNAL FUNCTION
With CONSULT-III
Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT-III.
Check that each circuit produces a momentary engine speed drop.
Is the inspection result normal?
YES
>>
INSPECTION END
NO
>>
Go to
Diagnosis Procedure (GT-R certified NISSAN dealer)
.
3.CHECK IGNITION SIGNAL FUNCTION
Without CONSULT-III
Let engine idle.
Read the voltage signal between ECM harness connector terminals under the following conditions with an oscilloscope.
ECM
Voltage signal
+
–
Connector
Terminal
Connector
Terminal
F101
9
M107
128
10
13
33
34
38
NOTE:
The pulse cycle changes depending on rpm at idle.
Is the inspection result normal?
YES
>>
INSPECTION END
NO
>>
Go to
Diagnosis Procedure (GT-R certified NISSAN dealer)
.