engine NISSAN ALMERA N15 1995 Service Manual

TROUBLEDIAGNOSIS -General Description

*
MONITOR
*
NO FAIL
ENG TEMP SEN 80°C

RECORD

Cam follower
lever
o

SEF214N
SEF147N Fast
IdleCam (FIC) Inspection andAdjustment
- For Europe andIsrael

1. Start engine andwarm itup.

(ij\
2.See "ENG TEMP SEN"or"COOLAN TEMP/S"in
~ "DATAMONITOR" modewithCONSULT.
3. When engine coolant temperature is80:l: 5°C
(176:l:9°F), makesurethatmark @isaligned with
mark ~asshown inthe figure.

SEF536H •
2.
Disconnect enginecoolant temperature sensorhar-
ness connector andcheck resistance asshown in
the figure.
3. When theresistance ofengine coolant temperature
sensor is0.26 to0.39 kQ,make surethatmark @is
aligned withmark
@
asshown inthe figure.
If NG, adjust byturning adjusting screw.

Adjusting serewtightening torque:
0.98 -1.96 N.m(10-20 kg-em, 8.7-17.4 in-Ib)
Cam follower
lever Fast
idleearn
Thermo-
element
SEF148N
4.
Stop engine.

rF.i\
5.Turn ignition switch"ON"andsee "ENG TEMP
~ SEN"or"COOLAN TEMP/S"in"DATA MONITOR"
mode withCONSULT.
6. When engine coolant temperature is25:l: 5°C
(77:l: 9°F), make surethatmark
CID
isaligned with
mark @asshown inthe figure.
~ 5.When theresistance ofengine coolant temperature
~ sensoris1.65 to2.40 kQ,make surethatmark
CID
is
aligned withmark
@
asshown inthe figure.
• IfNG, replace thermo-element andperform theabove
inspection andadjustment again.

Fast IdleCam (FIC) Inspection andAdjustment
- Except forEurope andIsrael

1. Remove throttlebodyfromengine.
2. Wait foratleast 3hours.
(This stepisnecessary tobring thetemperature ofthe
thermo-element tothe room temperature

EC-68

•

2**
5*
Go
tostep

L:

Thermo-element stroke
*: Thermo-element isnormal. Adjustfirstidlecam only.
**: Thermo-element ismalfunctioning. Replacethermo-element, andperform
inspection beginningwithstep 2.
TROUBLE
DIAGNOSIS -General Description ~
Fast IdleCam (FIC) Inspection andAdjustment
- Except forEurope andIsrael (Cont'd)
3. Measure thermo-element stroke(L)and room temperature.
4. Check thermo-element stroke(L)asshown inthe figure.
Thermo-element

1645
1(0.6476)

I
15.35
: (06043)
'14.24
: (05610)

I

: 1290 :

I
(0.508)
I

I I

I I

I I

: I

I
r

I
r
r
I

I
I

-20 02025 40
HI (32)(68)(77) (104)

Thermo-element temperature°C(OF)
17

(0.669)

16

C (0630)

"" 15

~ (0591)

::J
14

-; (0.551)

t5
13

fJi
(0.512)
12 11.05
(0472) (0435)

11

(0433)

10

(0.394) 9.95
(0.392)
SEF0810

GA15DE
*.
GA16DE
Clearance
@ Adjusting
screw (s)
Lock nut

Fast idle

carn

SEF0820
SEF0830
5.
Adjust clearance
@
between throttlestopper andthrottle
adjusting screwtospecification byturning adjusting screw
(8).
Engine models Clearance
@
mm (in)
M/T 0.40-0.75 (0.0157 -0.0295)
GA15DE A/T0.61
-0.95 (0.0240 -0.0374)
M/T 0.72
-1.18 (0.0283 -0.0465)
GA16DE
A/T0.95
-1.43 (0.0374 -0.0563)
6. Rotate adjusting screw(8)clockwise orcounterclockwise
by Zturns according tothe following equation, thentighten
the adjusting screwlocknut.
L (mm) -L8* (mm) L(in) -L8* (IN)
Z =-------~ /Z =--------

Y
(mm)
Y
(in)
Value ofthe specified line(Ls) atthe temperature ofthermo-
element actuallymeasured.
Y
=
0.5 (GA 15DE)
0.8 (GA 16DE)
• Direction ofadjusting screw(8)rotation
(1) Positive (+)Z:Counterclockwise
(2) Negative (- )Z: Clockwise
EC-69

TROUBLEDIAGNOSES -General Description
Symptom MatrixChart

SYMPTOM
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- Basic engine control system
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III

AA AB AC ADAEAFAG
AH AJ
AK AL
AM HA
Fuel Fuel
pump circuit

••
•
0

•
•
•

•
0

EC-145
Fuel pressure regulator system

•••
0

•
0

•
•
0

•
EC-33
Injector circuit

•• •
0

• •
• •
EC-141
Evaporative emissionsystem

00
[)

00
()

0
0 0 0
EC-29
Air Positivecrankcase ventilation system

00

•
0

0
0

••
U

()

EC-31
Incorrect idlespeed adjustment

0
0
()

(~)

C)

0 0
EC-35
IACV-AAC valvecircuit

•••
(,

••• •• •
0

EC-150

~)

IACV-FICD solenoidvalvecircuit
C)

()
()
()

0
C)

(~,

()

0
0
EC-204
Ignition Incorrectignitiontimingadjustment

0
0

•• •
•

• •
EC-35
Ignition circuit

••
•
•

• •
•

•
EC-113
EGR (EGRvalve
&)
EVAP canister purge

0
EC-179,183
control soienoid valvecircuit
••
• •

EGR system
U

••

•
r)

(,)

•
•
0
0
EC-179.
183
Main power supply andground circuit
()

() ()

0 0
()

Ci
()

0
(

~

EC-88
Cooling
I
Cooling tancircuit
()

:.'-1
U
()

(,)

',)
C)
t)

U
n

(J
0
EC-156

u

Air conditioner circuit
()

Co
u
()

CJ
UU
"
,

C:
~,
()

HAsection
•

• ;High Possibility Item
(), Low Possibility Item

EC-71
(continued
onnext page)

TROUBLEDIAGNOSES -General Description
Symptom MatrixChart(Cont'd)

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a:

SYSTEM
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Reference

(f)
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(f)

Cl

- ECCS system
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z
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Z

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page

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AA ASAC AD AEAFAG AH AJAK ALAM HA
ECCS Camshaft
positionsensorcircuit

•••
0
0
()

0 0
EC-94
Mass airflow sensor circuit

••
•
0

•
••

•
EC-101
(Heated) oxygensensorcircuit

••
0

• •
•

•
EC-189,194
Engine coolant temperature sensor

••
•
0

••
•

•
•
•
EC-108
circuit
Throttle position sensorcircuit

•• ••• ••
•
EC-128
Incorrect throttleposition sensor

•
()
()

•
0
0

•
()

EC-65
adjustment
Vehicle speedsensor circuit
0
C)
()

0
EC-133
Knock sensor circuit

000 0
EC-119
ECM
0
()

0 0
()

0
()

()()

0 0
EC-64
Start signal circuit
0
EC-138
Park/Neutral positionswitchcircuit

0
0
0
0

0
EC-173
Power steering oilpressure switchcir-

0
(J

0
EC-169
cuit
• ;High Possibility Item

0;
Low Possibility Item

EC-72
(continued
onnext page)

TROUBLEDIAGNOSES -General Description
Symptom MatrixChart(Cont'd)

SYMPTOM
J:
Z
CJ

~
0

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J:
i=

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cL
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«

a:
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0
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D..

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D..

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SYSTEM
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0:
LU
C/J
a:

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0
Z

0
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0
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Z
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LU
Reference

C/J
0
C/J

0

- Engine mechanical
&
other
z

0
LU

Z

I-
0

LU

I-
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0:

Z
Z
page

0:
(3

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D..

9
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2-

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-'
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5:

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C/J

0
5:

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«
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en
LL

LU

C/J
«

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-'
-'
a:
a:
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D..

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CD

I-
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LU

0
C/J

i=
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LL

-'
9

:>
0

«

>

~

>-

z
0
Z

LU

(ij

C/J
a:

LU

«
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9
J:
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CJ

~
C/J
C/J

LU

I-
0:
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a:

LU LU

I-

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(jj
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a:
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LU
J:

C/J

-'
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a:
9

C/J
0
LU LU
CD

AA ASAC AD
AEAF
AG AH AJAK ALAM HA
Fuel Fueltank

0
U

Fuel piping

00 0
()

0 00 0

Vapor lock
U

Valve deposit

00 000 00
0

Poor fuel(Heavy weightgasoline, Low

0
C)

0 0
()

00
0
-

octane)
Air Airduct
00 0
00
0

Air cleaner

00
0
0
0
0

Air leakage fromairduct

()
(J
()

()

0
0
0 0
("

)

C'

(Mass airflow sensor -throttle body)
Throttle body,Throttle wire

••• •
••
•• •
FE
section
Air leakage fromintake manifold/

0
•
(~)

0
tJ

0
U
C;

U
-

Collector/Gasket
Cranking Battery
0

U
()

(J

00 0
':J

Alternator circuit
()

0
0
0
(J

0 0
(J

ELsection
Starter circuit

•

Flywheel
•
-

Clutch interlock switch
0
CL
section
Inhibitor switch
()

ATsection
Engine Cylinderhead

••
• •

• •
•
()

Cylinder headgasket

••
0
0

•
U

()

0
()

C'

Cylinder block

•
0

0 0

0
()

(J

0
0

Piston
••
0

•
(J

()

()
()

0

Piston ring

•
U

00
0
U
()

U
()

Connecting rod
('

0
0
00
)

U
(

)

Bearing
(i

0
()

0
()

U
0

C

Crankshaft
Cl

(~)

0 0
()

()

0
0

Valve Timingchain

•••
CJ

•
n

()

('

mechanism Camshaft

•••
0
0

•
•
0

Intake valve

•
0

0

•
0

()

':J
0

l~'

Exhaust valve

•
C)

0
()

()

U
u
()

0

HydraUlic lashadjuster
00
0
0
()

()

0
-

Exhaust Exhaust
manifoldlTube/Muffler/Gasket
C)

c:
()
()

0
U
()

U

Three waycatalyst

••
0

U

0 0
()

0

Lubrication Oil
pan/Oil strainer/Oil pump/Oilfilter/
•
Ci

0 0

0

•
•
()

0

Oil gallery
Oil level (Low)/Filthy oil
()

0
()
()()

(J

0
U
()

Cooling Radiator/Hose/Radiator
fillercap
()

0 0
()

()

C)

U
U
()

Thermostat
00
0
0
C)

0
()

00
0
Cl

Water pump
u

0
U
0
0
()

Ci
C)

U

Water gallery
U
()

0
()

0 0
U

0
U

Cooling fan
0
()

CJ
U
0
U
I)

U
()

CJ
(i

Coolant level(low)/Contaminated cool-

U
0
0 0
0
00
()

)

ant
• ;High Possibility Item

U;
Low Possibility Item

EC-73
•

TROUBLEDIAGNOSES -General Description
CONSULT ReferenceValueinData Monitor
Mode

Remarks:
• Specification dataarereference values.
• Specification dataareoutput/input valueswhicharedetected orsupplied bythe ECM atthe connec-
tor.

*
Specification datamaynotbedirectly relatedtotheir components signals/values/operations.
(Le., Adjust ignition timingwithatiming lightbefore monitoring IGNTIMING. Specification datamight
be displayed evenwhen ignition timingisnot adjusted tospecification. ThisIGNTIMING moni-
tors thedata calculated bythe ECM according tothe input signals fromthecamshaft position
sensor andother ignition timingrelated sensors.)
• Ifthe real-time diagnosis resultsareNG, and theon-board diagnostic systemresultsareOK, when
diagnosing themass airflow sensor, firstcheck tosee ifthe fuel pump control circuitisnormal.

MONITOR ITEM
CONDITION SPEC
IFICA TION
CMPS.RPM (REF)•
Tachometer: Connect Almostthesame speed asthe CON-
• Run engine andcompare tachometer indicationwiththeCONSULT value.SULT value.
• Engine: Afterwarming up
Idle 1.0
-1.7V
MAS AIRIFL SE •
Air conditioner switch:OFF
• Shift lever: "N"
• No-load 2,000
rpm 1.5
-2.1V
COOLAN TEMPIS •Engine: Afterwarming up More
than70°C (158°F)
02 SEN 0-
0.3V
<-+
0.6 -1.0V
• Engine: Afterwflrming up Maintaining
enginespeedat2,000
LEAN
<-+
RICH
MIR
FIC
MNT rpm
Changesmorethan5times
during 10seconds .
VHCL SPEED SE•
Turn drive wheels andcompare speedometer indicationwiththeCONSULT Almost
thesame speed as
value the
CONSULT value
SA TTERY VOLT •Ignition switch:ON(Engine stopped) 11
-14V
• Ignition switch:ON Throttle
valvefullyclosed 0.35
-0.65V
THRTL POSSEN
(Enginestopped)
Throttlevalvefullyopened Approx.
4.0V
ST ART SIGNAL •Ignition switch:ON
-->
START
-->
ON OFF

-->
ON
-->
OFF
Throttle valve:
ON
• Ignition switch:ON Idle
position
CLSD THLIPOS
(Enginestopped)
Throttlevalve:
OFF
Slightly open

AIC
switch "OFF" OFF
AIR COND SIG •
Engine: Afterwarming up,idle the
engine
AIC

switch "ON"
ON
(Compressor operate&)
Shift lever "P"or"N" ON
PIN POSI SW •Ignition switch:ON
Exceptabove OFF

EC-74

TROUBLEDIAGNOSES -General Description @KJ
CONSULT Reference ValueinData Monitor
Mode (Cont'd)

MONITOR ITEM CONDITION
SPECIFICATION
Steering wheelinneutral position
OFF
PW/ST SIGNAL •
Engine: Afterwarming up.idle the
(forward direction)
engine Thesteering wheelisturned ON
IGNITION SW •
Ignition switch:ON

-->
OFF ON
-->
OFF
Rear window defogger isoperating
ON
and/or lighting switchison
LOAD SIGNAL •
Ignition switch:ON
Rearwindow defogger isnot operat-
OFF
ing and lighting switchisnot on
• Engine: Afterwarming up
Idle 2.4
-3.2 msec.
INJ PULSE •
Air conditioner switch:OFF
• Shift lever: "N"
.

• No-load 2.000
rpm 1.9
-3.2 msec.
Idle 6
_10' BTDC
IGN TIMING ditto
2.000rpm More
than25'BTDC
Idle 20-40%
IACV-AACIV ditto
2.000rpm
-

A/F ALPHA •
Engine: Afterwarming up Maintaining
enginespeedat2.000
75-125%
rpm
AIR COND RLY •
Air conditioner switch:OFF
-->
ON OFF

-->
ON
• Ignition switchisturned toON (Operates for5seconds)
• Engine running andcranking ON
FUEL PUMP RLY
•When engine isstopped (stopsin1.0 seconds)
• Except asshown above OFF
• When cooling fanisstopped OFF
COOLING FAN •
When cooling fanoperates atlow speed LOW
• When cooling fano!Jerates athigh speed HI
Idle OFF
VALVE TIMSOL'1 •Engine: Afterwarming up
Racingenginequickly fromidleto
4.000 rpm ON
EGRC SOLIV
(EVAP canister Idle
ON
purge control sole-•
Engine: Afterwarming up
• Air conditioner switch:OFF
noid valve orEGR
•Shift lever: N
valve
&
EVAP can-
•No-load Racing
enginefromidleto
ister purge control
3.000rpmin1st position OFF
solenoid valve)
*1: GA16DE exceptforEurope andIsrael

EC-75
•

TROUBLEDIAGNOSES -General Descrip_ti_o_n
I_G_A_'

Major Sensor Reference GraphinData Monitor
Mode

The following arethemajor sensor reference graphsin"DATA MONITOR" mode.
(Select "HISPEED" in"DATA MONITOR" withCONSULT.)

THRTL POSSEN, CLSD THLIPOSI

Below isthe data for"THRTL
pas
SEN" and"CLSD THLIPOSI" whendepressing theaccelerator pedal
with theignition switch"ON".
The signal of"THRTL
pas
SEN" should risegradually withoutanyintermittent droporrise after "CLSD
THLIPOSI" ischanged from"ON" to"OFF".

Full {~

Release

Full {

Depress CLSD
THUPOSI

10:22

OFF
-00"09
+02"69

ON

I
THRTL
POSSEN

10:22 XO.1V

o
13 26 38

~ \

'
..
-00'09
+02'69

51,
SEF673Q
CMPS,RPM (REF),MASAIR/FL SE,THRTL POSSEN, 02SENSOR, INJPULSE

Below isthe data for"CMPS.RPM (REF)","MASAIR/FL SE","THRTL
pas
SEN", "02SENSOR" and
"'NJ PULSE" whenrevving quicklyupto
4,800
rpmunder noload after warming upengine sufficiently.
Each value isfor reference, theexact value mayvary.

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"CMPSoRPM(REF)" shouldincrease gradually
while depressing theaccelerator pedaland
should decrease graduallyafterreleasing
the pedal without anyintermittent droporrise.

CO" ...

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gg
, +
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o"MAS AIRIFL SE"should increase when
depressing theaccelerator pedalandshould
decrease atthe moment "THRTLPOSSENu is
closed (accelerator pedalisreleased).

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SEF059P
EC-76

TROUBLEDIAGNOSES -General Description @K]
ECM Terminals andReference Value(Conl'd)
ECM INSPECTION TABLE-GA16DE forAustralia
Specification dataarereference valuesandaremeasured betweeneachterminal and
@
(ECCS ground).

TER- WIRE
MINAL ITEM
CONDITION DATA
NO. COLOR
[Efl9ineisrunning.
I

0.3-0.6V
L Idle speed
1
WIB
Ignitionsignal

I
Engine isrunning.
I

L Engine speedis2,000 rpm. Approximately
0.9V
2
GYIR
Ignition
check IEngine
isrunning.
I

Approximately12V
L Idle speed
3 LIB Tachometer [Engine
isrunning.
I

Approximately0.9V
L Idle speed
IEngine isrunning.
I

Ilgnition switch"OFF'.'
0-1V
4
WIG
ECCS
relay(Self-shut- L
For afew seconds afterturning ignition
off) switch
"OFF"
Ilgnition switch"OFF"
I

BATTERYVOLTAGE
L Afew seconds passedafterturning ignition
(11-14V)
switch "OFF"
Ilgnition switch"ON"
I

L For 5seconds afterturning ignition switch
0.07-0.20V
"ON"

8
BIP Fuel
pump relay I
Engine isrunning.
I

Ilgnition switch"ON"
I

BATTERYVOLTAGE
L More than5seconds afterturning ignition
(11-14V)
switch "ON"
10
BIW

ECCSground IEngine
isrunning.
I

Engineground
L Idle speed
IEngine isrunning.
I

BATTERYVOLTAGE
Cooling fanrelay ~Cooling fanisnot operating.
(11-14V).
13 LG
(Highspeed: For
AIT
Cooling
fanisoperating atlow speed.
models)
I
Engine isrunning.
I

L Cooling fanisoperating athigh speed. Approximately
OV
IEngine isrunning.
I

BATTERYVOLTAGE
Cooling fanrelay L
Cooling fanisnot operating. (11-14V)
14 LGIR
(Lowspeed)

I
Engine isrunning.
I

L_
Cooling fanisoperating. 0.07
-0.30V

I
Engine isrunning.
I

L Both
AIC
switch andblower switchare 0.08
-0.2V
15
Y
Air
conditioner relay "ON".
IEngine isrunning.
I

BATTERYVOLTAGE
LAIC switchis"OFF". (11
-14V)

EC-79
•

TROUBLEDIAGNOSES -General Description ~
ECM Terminals andReference Value(Cont'd)

TER- WIRE
MINAl ITEM CONDITION DATA
NO. COLOR
/'gnitionswitch"ON'" Approximately
50mV
18 OR/l Malfunction
indicator

I
Engine isrunning.
I

lamp BATTERY
VOLTAGE

L
Idle speed (11.14V)
19 BIW ECCS
ground
I

Engine isrunning.
I

Engineground

L
Idle speed
I'gnition switch"ON"
I

ApproximatelyOV
20 BIY
Startsignal
BATTERYVOLTAGE
I'gnition switch"5TART"
I

(11-14V)

I
Engine isrunning.
I

L
Both airconditioner switchandblower Approximately
OV
21 G Airconditioner switch switch
are"ON" (Compressor operates)
IEngine isrunning.
I

BATTERYVOLTAGE

L
Airconditioner switchis"OFF" (11
-14V)
I'gnition switch"ON'"

t
Ge.,
po,"'on "
"Ne"".1
po,ltlon"
(MIT

Approximately OV
Neutral position switch models)

(M/T
models) Gear
position is"N" or"P"
(A/T
models)
22
G/OR

Inhibitorswitch
(A/T AIT

models:
models) llgnitionswitch"ON'" BATTERY
VOLTAGE

L
Except theabove gearposition (11
-14V)

M/T
models:
Approximately 5V
Ilgnition switch"ON"
I

0.35-0.65V

L
Accelerator pedalreleased
23 Y Throttleposition sensor
!'gnitionswitch"ON"
I

L
Accelerator pedalfullydepressed Approximately
4V
/Engine isrunning.1
ApproximatelyOV
25 Pu/W Power
steering oilpres-
L

Steering wheelisbeing turned
sure switch
IEngineisrunning.1

L
Steering wheelisnot being turned Approximately
5V

I
Engine isrunning.
I

Approximately
26 PUIR Vehiclespeedsensor

L
Front ofvehicle raisedandfront wheels are
1.8-2.4V (ACvoltage)
rotating

I
Engine isrunning.
I

ApproximatelyOV
Torque converter clutch
L

Idle speed
30 PIB
solenoidvalve

I
Engine isrunning.
I
(Warm-up condition)

(A/T
models only)

L
Vehicle speedis64 km/h (40MPH) ormore BATTERY
VOLTAGE
(11-14V)
in "D" position
35 lG/B Blower
fanswitch I,gnition
switch"ON",
ApproximatelyOV

L
Blower fanswitch is"ON"

EC-80