engine NISSAN ALMERA N15 1995 Service Manual
[x] Cancel search | Manufacturer: NISSAN, Model Year: 1995, Model line: ALMERA N15, Model: NISSAN ALMERA N15 1995Pages: 1701, PDF Size: 82.27 MB
Page 1123 of 1701

TROUBLEDIAGNOSES
Cooling FanControl
SYSTEM DESCRIPTION
Vehicle speedsensor Vehicle
speed
Engine coolant temperature sensorEngine
coolant temperature
ECM
(Engine
control module) Cooling
fan
relay(s)
Air conditioner switch Air
conditioner "ON"signal
The ECM controls thecooling fancorresponding tothe vehicle speed,engine coolant temperature, air
conditioner systempressure andairconditioner ONsignal. Thecontrol system has3-step control
[HIGH/LOW/OFF].
Operation
SEF953P
20
80
(12) (50)
Vehicle speedkmfh(MPH)
~ :Cooling fansoperate at"High" speed.
Air
conditioner switchIs"ON".
100 (212)
95 (203)
90 (194)
~LL
:J
0
eZ;
~o
E
2
C
'"
'0
o
U
Q>
c
'5>
c
w
Air
conditioner switchIs"OFF".
100 (212)
95 (203)
90 (194)
Q>
-
... LL
:J
0
~~
~o
E
2
c
'"
'0
o
U
Q>
c
'5>
c:
w 20
80
(12) (50)
Vehicle speedkmfh(MPH)
o :
Cooling fansdonot operate.
1222l:
Cooling fansoperate at"Low" speed.
EC-404
Page 1124 of 1701

TROUBLEDIAGNOSES
Cooling FanControl (Cont'd)
IGNITION SWITCH
ON orSTART
EC-COOL/F-01
•
:
LHDmode 1s
Refer
toEL-POWER.
FUSE
BLOCK
(JIB)
CE106)
10A
1251
... ------------. BR~TO EC-COOLlF-03
1~ R-----------0
1~ R/Y
---------I~-LI.
~ B/R
----I
R/Y
CHID
R
B;
Iu)~
&~1)
~u)J1
~ R/Y~R
1$~~i~1
R/Y R
A
o
L
R~~ VEHICLE
SPEED
rv SENSOR
R/Y
(J
@lID
~
PUlA
I
PU/R
rrT6TI
VSP
ECM
(ENGINE
CONTROL
MODULE)
R/FAN2 R/FAN1~
~ ~
LG LG/R
I
t
It
O~LG/R ~LG/R;l
C:
CHID:
(EiOt)
0---
-ea::::-
LG~ LG
=1
L LG/R. LG/R
I(C:-
.0-....--
LG/R~}
CHID:~
ToEC-COOL/F-03
L LG. LG
-
LG
-@>:
COMBINATION
METER (SPEEDOMETER)
@
@
~~
~B ~~
~B ~~
tW
GY
Refer
tolast page
(Foldout page).
HEC092
EC-405
Page 1125 of 1701

TROUBLEDIAGNOSES
Cooling FanControl (Cont'd)
EC-COOL/F-02
LHDmodels
RHO models
(6):
(B):
I
EeM
(ENGINE
CONTROLMODULE)
@
S/W ~
IciJl
S/W
I
S/W
I~I@QD
;,:@
o
I
iTlJ
S/W S/W
1l@1
100'
GND-S GND-S
L
iJ
ENGINE COOLANT
_ TEMPERATURE
SENSOR
~
lLj:U
S/W
I
~ L
:>
GIS ~
S/W
d!b:. ~ d!b:.
Icpt
(ES-)-
-1~1
GIS
S/W
I I
GIS
t'ETr\'i\
S/W
db ~
,.,.b
1~~-M8--~
GIS
@
S/W
t
GIS
I@I
TW
GIS
It
o
(E203) ~
~11lJ1
GIS
I
@QD~
<:BID
I~I
GIS
t
o
~~
@GY
~(E203)
rnmz:mI
GY
~~
~GY
Refer
tolast page
(Foldout page).
HEC093
EC-406
Page 1127 of 1701

TROUBLEDIAGNOSES
Cooling FanControl (Cont'd)
Checkcooling fanlow
speed control circuit.
(Go to
I
PROCEDURE C
P
Check cooling fanhigh
speed control circuit.
(Go to
I
PROCEDURE D
I.)
NG
NG
INSPECTION
START
OK
CHECK COOLING FANHIGH SPEED
OPERATION. 1) Turn ignition switch"OFF".
2) Reconnect coolingfanrelay-2 and
cooling fanrelay-3.
3) Turn ignition switch"ON".
4) Make surethatcooling fanoperates
at high speed.
CHECK
COOLING FANLOW SPEED
OPERATION. 1) Turn ignition switch"OFF".
2) Disconnect enginecoolant tempera-
ture sensor connector.
SEF168R
3)Disconnect coolingfanrelays 1,2
and 3.
4) Turn ignition switch"ON".
5) Reconnect coolingfanrelay 1.
6) Make surethatcooling fanoperates
at low speed.
SEC163BA OK
INSPECTION END
EC-408
Page 1132 of 1701

TROUBLEDIAGNOSES
Air Conditioner CutControl
SYSTEM DESCRIPTION
The airconditioner isturned offunder thefollowing conditions:
RHO models .
• Engine coolant temperature ishigher than
grC
(20rF)
LHD models
• Engine coolant temperature ishigher than105°C (221°F)
For trouble diagnoses, referto"TROUBLE DIAGNOSES" inHA section.
Air
conditioner switch
Engine coolant temperature sensor
A/C
ONsignal
Engine coolant temperature
ECM
(Engine
control module) Air
condi-
tioner relay
•
EC-413
Page 1133 of 1701

TROUBLEDIAGNOSES
Air Conditioner CutControl (Cont'd)
LHD models
EC-A/CCUT-01
Refer toEL-POWEA.
OFF
LG/R~
I
,
I
I
ON
A/C
LG/R
I
SWITCH
m
I
OFF
@
I
THERMO
CONTROL
AMP.
~
ON
L/Y
~ ~
G/B G/BG/Y
THERMISTOR
I I
m
._-~--_. rn
JUNCTION
BOX
NO.2
To compressor (JOINT
._ L/R. (Referto CONNECTORS)
I
HA-A/C.)~~
G/Y
00
~E~N~~gD
I?iJ
~~~TCH
VALVE OFF--~
IkjJ
(E64) ~
B (E65) B
I
r1
I
• .., BBB
1 ~
1
i....l
mm ~~
RIL
~
t
FUSE
BLOCK
(JIB)
~
(BOO)
R/L
IriDl
A/C
DUAL-
PRESSURE SWITCH
~
1~11I~211~1
LIB LG/R LG/R
II-~ --
LIB
L/Y
IT ~IA/C
n
RELAY
U
UID
4=JJ~
L L/R
~L
rn
I
ECM(ENGINECONTROLMODULE)
---------- @
n
LOW HIGH
... ~~_.
NORMAL
I!4Jl
G
~~1;1$1
G
m
COMP
~(E16)
T
L
JS4.ffi
(tiS)
B
~-----------.,
I I
:ITl~ ~~:
I I
L
~
IQl@
~ W
Refer
tolast page
(Foldout page).
CMID
(El0n
,
lf1@
(E106)
,
~
HEC095
EC-414
Page 1134 of 1701

TROUBLEDIAGNOSES
Air Conditioner CutControl (Cont'd)
RHO models
EC-A/CCUT-02
•
A/C
SWITCH
@
~
LG/B
ON
OFF
I
I
I
ON
I
I
OFF
I
LG/R~
Refer
toEL-POWER.
THERMISTOR
---I
THERMO
LG RCONTROL
m AMP.~
~
~GY~
R/L
~
IACV-FICD
SOLENOID
VALVE
(E101)
(BID
- L/R ~ L/R~ L/R-e=~Y,
B
'-B~
To compressor • LG/B
- L/R.
(~~~~/C
tf ~
. ffi
~~:CTOR-4 OFF--ON~~;CH
t
W ~
B B
+--,
n
I
B BB BB
1
t..lt..l
@
FUSE
BLOCK
(JIB)
@g)
R/L
Irfnl
A/C
I
ECM
(ENGINE
CONTROL
MODULE)
~---------@
UQ-lil
I
N.21
I
N.21
LIB LG/R LG/R
I
I
I
LIB L/Y
IT ]/,/c
n
RELAY
U~
~lbi=ll
L L/R
r
L..
m
L
OUAL-
LOW HIGH PRESSURE
... _e SWITCH
NORMAL
ffi
4=U
G
db (E101)
I~I(][)
G
m
COMP
r----------.,
J
I
1Ql ~
I
F.1
(B10n
B
(B102)
I
ITI:illIIITIIII
@~ ~
C!J.S)
BI~ B~ BI~ P123456 W
I I
L
.J
A~
T
L
L'Ql@
[[[g@]
W
Refer
tolast page
(Foldout page).
(BID
(E101)
,
~
,
HEC096
EC-415
Page 1136 of 1701

SERVICEDATAANDSPECIFICATIONS (SOS)
General Specifications
PRESSURE REGULATOR
Regulated pressure
kPa (bar, kg/cm
2,
psi) 299
(2.99, 3.05,43.4)
Idle speed'1
rpm
Inspection
andAdjustment
ENGINE COOLANT TEMPERATURE
SENSOR
Temperature
'c
('F) Resistancekn
20 (68) 2.1
-2.9
•
90
(194) 0.24-0.26
110 (230) 0.14-0.15
No-load'2
Air conditioner: ONGA
14DE, GA16DE forEurope and
Israel
AIT: 800:1:50
Models withdaytime lightsystem
MIT: 800:1:50
Models withoutdaytime lightsystem
M/T: 700:1:50
GA15DE
M/T: 630:1: 50
A/T: 750:1: 50
GA 16DE forAustralia
M/T: 675:1: 50
A/T: 800:1:50
GA16DE exceptforEurope andIsrael,
and Australia
M/T: 650:1:50
A/T: 800:1: 50
900 ormore
FUEL
PUMP
Resistance [at25'C (77'F)] n
IACV-AAC VALVE
Approximately
0.2-5
Ignition timing GA
14DE, GA16DE forEurope and
Israel andGA16DE except forAustralia
10':1:2' BTDC
GA15DE
6':1:2' BTDC
GA16DE forAustralia
8':1:2' BTDC Resistance
[at25'C (77'F)) Approximately
10(For Europe
n andIsrael)
50 -100 (Except forEurope and
Israel)
0.40. 0.60
Throttle
position sensor
idle position'3 V
'1: Feedback controlled andneeds noadjustments
'2: Under thefollowing conditions:
• Air conditioner switch:OFF
• Electric load:OFF(Lights, heater,fan
&
rear defogger)
• A/T models: in"N" position
'3: Engine iswarmed upSUfficiently.
IGNITION COIL INJECTOR
Resistance [at25'C (77'F)) n
RESISTOR
Resistance [at25'C (77'F)] kn Approximately
10.14
Approximately 2.2
THROTTLE POSITIONSENSOR
Primary
voltage
Primary resistance
[at 20'C (68'F)]
Secondary resistance
[at 20'C (68'F)]
V
n
kn
12
Approximately 0.5-1.0
Approximately 12 Accelerator
pedalconditions
Completely released
Partially released
Completely depressed Resistance
kn[at25'C (77'F))
Approximately 0.5'
0.5 -4
Approximately 4
MASS AIRFLOW SENSOR
':
Engine iswarmed upsufficiently.
Supply voltage
Output voltage
V
V
Battery
voltage
1.2 -1.8'
': Engine iswarmed upSUfficiently andidling under no-load.
EC-417
Page 1137 of 1701

SERVICEDATAANDSPECIFICATIONS (SOS)
General Specifications
PRESSURE REGULATOR
Fuel pressure atidling
kPa (bar, kg/cm
2,
psi)
Vacuum hoseisconnected
Vacuum hoseisdisconnected Approximately
235 (2.35. 2.4.34)
Approxi mately
294 (2.94, 3.0,43)
Idle speed'1
No-load'2 rpm
(in "N" position) 800:1:50
Inspection
andAdjustment
FUEL PUMP
Resistance [at25'C (77'F)] n
Approximately 0.2-5.0
Air conditioner: ON
(in "N" position)
Ignition timing
Throttle position sensoridle
position V850
ormore
IACV-AACVALVE
15':1:2' BTDC
Resistance[at25'C (77'F)] n
0.35 -0.65 Approximately
10.0
'1: Feedback controlled andneeds noadjustments
'2: Under thefollowing conditions:
• Air conditioner switch:OFF
• Electric load:OFF(Lights, heaterfan
&
rear defogger)
IGNITION COIL INJECTOR
Resistance [at25'C (77'F)) n'
1_0_-_1_4 _
RESISTOR
Primary voltage
Primary resistance
[at 25'C (77'F))
V
12
0.5 -1.0 Resistance
[at25'C (77'F)) kn ApproXimately 2.2
Secondary resistance
[at 25'C (77'F))
kn
Approximately
25
THROTTLEPOSITIONSENSOR
MASS AIRFLOW SENSOR
Supply voltage
Output voltage
V
V
Battery
voltage (11-14)
1.3 -1.7'
Throttle
valveconditions
Completely closed
Partially open
Completely open Resistance
kn
[at 25'C (77'F)]
Approximately 1
1 - 10
Approximately 10
': Engine iswarmed upsufficiently andidling under no-load.
ENGINE COOLANT TEMPERATURE
SENSOR
Temperature
'c
('F)
20 (68)
50 (122)
90 (194) Resistance
kn
2.1-2.9
0.68 -1.00
0.236 -0.260
HEATED OXYGEN SENSOR HEATER
Resistance [at25'C (77'F)] n
I
3.3-6.3
EC-418
Page 1138 of 1701

SERVICEOATAAND SPECIFICATIONS (SOS)
GENERAL SPECIFICATIONS
Engine CD20VE-type
Injection Pump
Pump numbers
Unit: rpm
EnginePartnumber Pump
assembly
number
Idle speed
FICO:OFF 700~~O CD20
16700-75J01 104740-2610
INSPECTION ANDADJUSTMENT
Installation ofinjection pump
FICO:
ON
Dash pottouch speed
Maximum enginespeed
Engine
Plunger lift mm(in)
(Injection timing) 800
1,300
5,400
CD20
0.79 -0.85
(0.0311 -0.0335)
(equivalent to8'BTDC) Pump
dataisnot yetavailable.
(Pump data
will
begiven byTechnical Bulletin,or
refer toCALIBRATION STANDARDpublishedby
ZEXEL.)
•
INSPECTION ANDADJUSTMENT Injection
Nozzle
Adjusting shims
Injection nozzleassembly
Unit:kPa(bar, kg/em', psi)
Initial injection pressure
New
Used 12,749
-13,534 (127.5-135.3,
130 -138,1,849 -1,962)
12,259 -13,239 (122.6-132.4,
125 -135, 1,778 -1,920)
EC-419 Thickness
mm(in) PartsNo.
0.50 (0.0197)
16613-V0700
0.54 (0.0213)
16613-V0702
0.58 (0.0228) 16613-V0704
062 (0.0244) 16613-V0706
0.66 (0.0260) 16613-V0708
0.70 (0.0276) 16613-V0710
0.74 (0.0291) 16613-V0712
0.78 (0.0307)
16613-V0714
0.82 (0.0323)
16613-V0716
0.86 (0.0339) 16613-V0718
0.90 (0.0354) 16613-V0720
0.94 (0.0370)
16613-V0722
0.98 (0.0386) 16613-V0724
1.00 (0.0394) 16613-V0760