1999 NISSAN PRIMERA Electronic Repair Manual

Page 777 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual 3 CHECK OVERALL FUNCTION
Without CONSULT-II
1. Turn ignition switch to ªSTARTº.
2. Check voltage between ECM terminal 41 and ground under the following conditions.
SEF142X
MTBL0143
OK or NG
OK©INSP

Page 778 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual System DescriptionNCEC0444
Sensor Input Signal to ECMECM func-
tionActuator
Camshaft position sensor (PHASE) Engine speed
Fuel pump
controlFuel pump relay
Ignition switch Start signal
The ECM activate

Page 779 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual ECM Terminals and Reference ValueNCEC0446Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output

Page 780 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Wiring DiagramNCEC0447
YEC280
FUEL PUMPQG16I18DE
Wiring Diagram
EC-338

Page 781 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Diagnostic ProcedureNCEC0448
1 CHECK OVERALL FUNCTION
1. Turn ignition switch ªONº.
2. Pinch fuel feed hose with fingers.
SEF143XFuel pressure pulsation should be felt on the fuel feed hose for 1 se

Page 782 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual 3 DETECT MALFUNCTIONING PART
Check the following.
I15A fuse
IHarness for open or short between fuse and fuel pump relay
©Repair harness or connectors.
4 CHECK POWER GROUND CIRCUIT
1. Turn ignition sw

Page 783 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual 8 CHECK FUEL PUMP RELAY
Refer to ªComponent Inspectionº, EC-QG-341.
OK or NG
OK©GO TO 9.
NG©Replace fuel pump relay.
9 CHECK FUEL PUMP
Refer to ªComponent Inspectionº, EC-QG-341.
OK or NG
OK©GO

Page 784 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Component DescriptionNCEC0451The power steering oil pressure switch is attached to the power
steering high-pressure tube and detects a power steering load.
When a power steering load is detected, it s