1999 NISSAN PRIMERA Electronic Repair Manual

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NISSAN PRIMERA 1999  Electronic Repair Manual Diagnostic ProcedureNCEC0204
1 CHECK FOR INTAKE AIR LEAK
1. Start engine and run it at idle speed.
2. Listen for the sound of the intake air leak.
OK or NG
OK©GO TO 2.
NG©Discover air leak location

Page 1026 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual 4 CHECK INJECTOR
Does each injector make an operating sound at idle?
MEC703B
YesorNo
Ye s©GO TO 6.
No©Check injector(s) and circuit(s). Refer to EC-SR-304.
5 CHECK IGNITION SPARK
1. Turn Ignition sw

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NISSAN PRIMERA 1999  Electronic Repair Manual 7 CHECK SPARK PLUGS
Remove the spark plugs and check for fouling, etc.
SEF156I
OK or NG
OK©GO TO 9.
NG©Repair or replace spark plug(s) with standard type one(s). For spark plug type, refer to
ªENGI

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NISSAN PRIMERA 1999  Electronic Repair Manual 10 DETECT MALFUNCTIONING PART
Check the following.
IFuel pump and circuit Refer to EC-SR-320.
IFuel pressure regulator Refer to EC-SR-32.
IFuel lines Refer to ªENGINE MAINTENANCEº in MA section.
IFu

Page 1029 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Component InspectionNCEC0576IGNITION WIRESNCEC0576S011. Inspect wires for cracks, damage, burned terminals and for
improper fit.
2. Measure the resistance of wires to their distributor cap termi-
nal.

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NISSAN PRIMERA 1999  Electronic Repair Manual Component DescriptionNCEC0206The knock sensor is attached to the cylinder block. It senses
engine knocking using a piezoelectric element. A knocking vibration
from the cylinder block is sensed as vibr

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NISSAN PRIMERA 1999  Electronic Repair Manual Wiring DiagramNCEC0210
YEC089A
DTC P0325 KNOCK SENSOR (KS)SR20DE
Wiring Diagram
EC-231

Page 1032 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Diagnostic ProcedureNCEC0211
1 RETIGHTEN GROUND SCREWS
Loosen and retighten engine ground screws.
SEF202X
©GO TO 2.
2 CHECK INPUT SIGNAL CIRCUIT-1
1. Turn ignition switch ªOFFº.
2. Disconnect ECM h