1999 NISSAN PRIMERA Electronic Repair Manual

oil viscosity garage door opener battery replacement gas mileage jacking pairing phone

Load previous 8 pages

Page 385 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual PROCEDURE A
INSPECTION START
CHECK POWER SUPPLY.
1. Turn ignition switch to ªLOCKº posi-
tion.
2. Disconnect cooling fan relay-1 and
fan motor-1 connector.
3. Turn ignition switch to ªONº position

Page 386 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual pC
CHECK OUTPUT SIGNAL CIRCUIT.
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM
terminal
219and cooling fan relay-1 con-
nector terminal
p2.
Continuity should exist.
If OK

Page 387 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual pD
CHECK GROUND CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect cooling fan motor-2 harness
connector.
3. Check harness continuity between
cooling fan motor-1 connector termi-
nal

Page 388 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual pB
CHECK COOLING SYSTEM FOR LEAK.
Apply pressure to the cooling system with a
tester, and check if the pressure drops.
Testing pressure:
157kPa (1.57 bar, 1.6 kg/cm
2, 23 psi)
Pressure should not drop

Page 389 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual 12 MAIN CAUSES OF OVERHEATING
Engine Step Inspection item Equipment Standard Reference page
OFF 1
lBlocked radiatorlBlocked condenserlBlocked radiator grillelBlocked bumper
lVisual No blocking þ
2
lC

12 MAIN CAUSES OF OVERHEATING
Engine Step Inspection item Equipment Standard Reference page
OFF 1
lBlocked radiatorlBlocked condenserlBlocked radiator grillelBlocked bumper
lVisual No blocking þ
2
lCoolant mixturelCoolant tester 50 - 50% coolant mix-
tureSee ªRECOMMENDED
FLUIDS AND LUBRI-
CANTSº in MA section.
3
lCoolant levellVisual Coolant up to MAX level
in reservoir tank and
radiator filler neckSee ªChanging Engine
Coolantº, ªENGINE
MAINTENANCEº in MA
section.
4
lRadiator caplPressure tester 78 - 98 kPa
(0.78 - 0.98 bar, 0.8 -
1.0 kg/cm
2, 11 - 14 psi)
59-98kPa
(0.59 - 0.98 bar, 0.6 -
1.0 kg/cm
2,9-14psi)
(Limit)See ªSystem Checkº
ªENGINE COOLING
SYSTEMº in LC section.
ON*2 5
lCoolant leakslVisual No leaks See ªSystem Checkº
ªENGINE COOLING
SYSTEMº in LC section.
ON*2 6
lThermostatlTouch the upper and
lower radiator hosesBoth hoses should be
hotSee ªThermostatº and
ªRadiatorº, ªENGINE
COOLING SYSTEMº in
LC section.
ON*1 7
lCooling fanlCONSULT Operating See ªTROUBLE DIAG-
NOSIS 8º.
OFF 8
lCombustion gas leaklColor checker
chemical tester
4 Gas analyzerNegative þ
ON*3 9
lCoolant temperature
gaugelVisual Gauge less than 3/4
when drivingþ
lCoolant overflow to
reservoir tanklVisual No overflow during driv-
ing and idlingSee ªChanging Engine
Coolantº, ªENGINE
MAINTENANCEº in MA
section.
OFF*4 10
lCoolant return from
reservoir tank to
radiatorlVisual Should be initial level in
reservoir tankSee ªENGINE MAINTE-
NANCEº in MA section.
OFF 11
lCylinder headlStraight gauge feeler
gauge0.1 mm (0.004 in) Maxi-
mum distortion (warping)See ªInspectionº, ªCYL-
INDER HEADº in EM
section.
12
lCylinder block and
pistonslVisual No scuffing on cylinder
walls or pistonSee ªInspectionº, ªCYL-
INDER BLOCKº in EM
section.
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 mph) for 30 minutes and then let idle for 10 minutes.
*4: After 60 minutes of cool down time.
For more information, refer to ªOVERHEATING CAUSE ANALYSISº in LC section.
TROUBLE DIAGNOSIS 8CD20T
Cooling Fan (Overheat) (Cont'd)
EC-95

Page 390 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual COMPONENT INSPECTION
Cooling fan relays-1, -2, -3
Check continuity between terminalsp3andp5.
Conditions Continuity
12V direct current supply between relay
terminals
p1andp2Ye s
No current supplyNo
If

Page 391 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual Needle Lift Sensor (NLS)
The needle lift sensor is built into the No. 1 nozzle. Its inductive
pick-up element senses the lifting of the injection nozzle needle
and thus the start of injection. The sig

Page 392 of 2267

NISSAN PRIMERA 1999 Electronic Repair Manual YEC806
NEEDLE
LIFT SEN-
SOR
: Detectable line for DTC
: Non-detectable line for DTC
ECM
TROUBLE DIAGNOSIS 9CD20T
Needle Lift Sensor (NLS) (Contd)
EC-98

Load next 8 pages

Page: < prev 1-10 ... 353-360 361-368 369-376 377-384 385-392 393-400 401-408 409-416 417-424 ... 2272 next >

maintenance schedule inflation pressure checking oil reset sun roof automatic transmission fluid warning light