service indicator NISSAN ALMERA N15 1995 User Guide

•

oxygen
sen-
Europe and
nd Australia

els)

sensor
for Europe
el, and Aus-
T models)

@

II

Check oxygen sensor*1 harness: *1:
Heated
1) Turn offengine anddisconnect battery sor
(For
ground cable. Israel,
a
2) Disconnect ECMharness connector from
AIT

mod
ECM. Oxygen
3) Disconnect oxygensensor*1 harnessconnec- (Except
tor. Then connect harness sideterminal for and
Isra
oxygen sensor*1 toground withajumper tralia

AI

wire.
4) .Check forcontinuity betweenterminalNo.46
or No. 19ofECM harness connector and
body ground.
Continuity exists................................................ OK
Continuity doesnotexist .................................. NG
OK lNG

I
Repair orreplace harness.
Connect ECMharness connector tocontrol unit.

~
III

00
1)
Connect batteryground cable.
2) Select "ENGCOOLANT TEMP"in
"ACTIVE TEST"mode.
3) Set "COOLANT TEMP"to20°C (68°F)
by touching "au"and"ad" and
"UP", "DWN".
OR

@
1)
Disconnect enginecoolant tempera-
ture sensor harness connector.
2) Connect aresistor (2.5kQ)between
terminals ofengine coolant tempera-
ture sensor harness connector.

[+]
Start engine andwarm itup until water temper-
ature indicator pointstomiddle ofgauge.

~

BASIC
SERVICE PROCEDURE ~
Idle Speed/Ignition Timing/IdleMixtureRatio
Adjustment (Cont'd)

CD

SEF194R
SEF056PA
~

DISCONNECT

18
~
AEC681

===MONITOR===
CMPS.RPM (REF)
Orpm

INJ PULSE
O.7msec

IGN TIMING 5BTDC

SEC242BA

•
ACTIVE TEST.
0

COOLANT TEMP 20°C

Engine coolant

DISCONNECT
temperature

10
!;j:~:~~'~";"'"

~

00
2.5k
n
resistor

II

ECM
19'
CONNECTOR
II

19

II

For Australia

II
ECM ~CONNECTORII

46

II
Except forAustralia

SEF455Q EC-41

@@

'1: Heated oxygen sensor(ForEurope
and Israel, andAustralia AITmod-
els) Oxygen sensor(Except forEurope
and Israel, andAustralia AITmod-
els)

Ii

1

Race engine twoorthree times under no-load, thenrunengine atidle
speed.

1

Check "CO"%.

Idle CO:Less than10%

[!J

After checking COOJo,

00
1)
Touch "BACK".

@
1)
Disconnect theresistor fromterminals ofengine coolant tem-
perature sensorh.arness connector.
2) Connect enginecoolant temperature sensorharness connector
to engine coolant temperature sensor.
NG OK
Replace oxygensensor'1.

m

00
1.
See
"M/R
FIC
MNT" in"Data monitor" mode.
2. Maintaining engineat2,000 rpmunder no-load
(engine iswarmed upsufficiently.), checkthat
the monitor fluctuates between"LEAN"and
"RICH" morethan5times during 10seconds.

1 time :RICH
->
LEAN
->
RICH
2 times: RICH
->
LEAN
-+
RICH
->
LEAN
->

RICH
OR

Ii)

@
1.
Set "Oxygen sensormonitor" indiagnostic test
.mode II.
(See page EC-47.)
2. Maintaining
engineat2,000 rpmunder no-load,
check thatthemalfunction indicatorlamponthe
instrument panelgoesONand OFF more than5
times during 10seconds.

I
NG OK

SEF913J

2000rpm
RICH

1;:(

NO FAIL
0
SEF248F

CMPS.RPM (REF)
MIR
FIC
MNT

1;:(

MONITOR
BASIC
SERVICE PROCEDURE ~
Idle Speed/Ignition TiminglldleMixtureRatio
Adjustment (Cont'd)

~\\~\\\\""1"'1///1.
@

#'
7 5~

~ ~
{2{ 6~

?1 7-=1

:;::. .;f

~o 84

xl000 rlmin

SEF987K

(gJ~
~~~~N

l~~i~V-=~
-~

Data linkconnector forCONSULT
(Connect CHKandIGNterminals
with asuitable harness.)

__
R_E_C_O_R_D __
I

SEF515Q
SEF909P EC-42

TROUBLEDIAGNOSIS -General Description

KEY POINTS
WHAT .....Vehicle &engine model
WHEN Date,Frequencies
WHERE Roadconditions
HOW Operatingconditions,
Weather conditions,
Symptoms
SEF907L
WORKSHEET SAMPLE
Diagnostic
Worksheet

There aremany operating conditions thatlead tothe malfunc-
tion ofengine components. Agood grasp ofsuch conditions can
make troubleshooting fasterandmore accurate.
In general, eachcustomer feelsdifferently aboutaproblem. It
is important tofully understand thesymptoms orconditions for
a customer complaint.
Utilize adiagnostic worksheet liketheone shown belowin
order toorganize allthe information fortroubleshooting.

•

Customer name
MR/MS Model
&
Year
.

VIN
Engine
#
Trans. Mileage
Incident Date Manu!.Date InService Date

o
Impossible tostart
o

No combustion

o
Partial combustion

o
Startability
o

Partial combustion affectedbythrottle position
LJ Partial combustion NOTaffected bythrottle position

o
Possible buthard tostart
o
Others [

1

o
Idling
o

No fast idle
o
Unstable
o

High idle
o
Low idle

o
Others [

1

Symptoms

o
Stumble
o
Surge
o
Knock
o
Lack ofpower

o
Driveability
i.J
Intake backfire
o
Exhaust backfire

o
Others [

1

o
At the lime ofstart
o

While idling

[.J
Engine stall

o
While accelerating
o

While decelerating

o
Just after stopping
o

While loading
Incident occurrence
o

Just after delivery
o
Recently

o
Inthe morning
o
At night
o
Inthe daytime
Frequency
o
All the time
o

Under certain conditions

o
Sometimes
Weather conditions
o
Not affected
Weather
o
Fine DRaining
o
Snowing
o
Others [

1

Temperature
o
Hot
o
Warm
o
Cool
o

Cold

o
Humid OF

o
Cold
o
During warm-up
o
After warm-up
Engine conditions
Enginespeed

I
I
I
I

I
I
I

I

I

0 2,000 4,000
6,000 8,000
rpm

Road conditions
o
Intown
o
Insuburbs
o

Highway

o
Off road (up/down)

o
Not affected

o
At starting
o
While idling
o
At racing

o
While accelerating
o
While cruising
Driving conditions
o

While decelerating
o

While turning (RH/LH)
Vehicle speed
I
,

I
I
I III
I
I
I
II

0 10 20 30
40
5060
MPH

Malfunction indicatorlamp
o
Turned on
o
Not turned on

EC-61

@

START
Visually checkthefollowing:
• Air cleaner clogging
• Hoses andduct forleaks
• Electrical connectors
• Gasket (intakemanifold, cylinderhead,exhaust system)
• Throttle valveandthrottle position sensoroperation

m
Start engine andwarm itup until engine coolant temperature indicator
points tothe middle ofgauge.
Ensure enginespeedstaysbelow 1,000rpm.

1

Open engine hoodandrunengine atabout 2,000rpmforabout 2minutes
under no-load.

Ii]
Perform theDiagnostic TestMode
1\
(Self-diagnostic results).
OK ~NG
Repair orreplace components asneces-
sary.

[!J
Run engine atabout 2,000rpmforabout 2minutes underno-load.
Rev engine twoorthree times under no-load, thenrunengine atidle
speed forabout 1minute .

li]1!I
00
1.
Select "IGNITION TIMINGADJ"inWORK SUPPORT mode.
2. Touch "START" .

.

OR

00
1.
Turn offengine anddisconnect throttleposition sensorharness
connector.
2. Start engine.
Rev engine (2,000-3,000 rpm)2or 3times under no-load, thenrunengine
at idle speed.

t

Throttle position sensor
harness connector SEF785KASEF051PA
BASIC
SERVICE PROCEDURE Em
Idle Speedllgnition TiminglldleMixtureRatio
Adjustment (Cont'd)
SEF248F
SEF455Q
Malfunction indicator
lamp \
I/

'~,,/

- CHECK-

,,/
........

/ I\
Ii] •IGN TIMING ADJ.
D
IGNITION TIMINGFEEDBACK
CONTROL WILLBEHELD BY
TOUCHING START.
AFTER DOING SO,ADJUST
IGNITION TIMINGWITHA
TIMING LIGHTBYTURNING
THE CAMSHAFT POSITION
SENSOR.

I
START

I

SEF546N
EC-244

BASICSERVICE PROCEDURE
mJ

Idle Speed/Ignition Timing/IdleMixtureRatio
Adjustment (Cont'd)
@
SEF909P SEF913J

RECORD

@

M
may bethe
se ofa
blem, butthis
arely thecase

II

1

Check idlespeed.

00
Read
idlespeed in"DATA
MONITOR" modewithCONSULT.
OR

@
Check
idlespeed.

M/T:
800:l: 50rpm

A/T:
800:l: 50rpm (in
uN"
position)

OK ~NG
Check IACV-AAC valveandreplace ifnec-
essary.

~

Check IACV-AAC valveharness andrepair
if necessary.

~

Check ECMfunction- bysubstituting
another knowngoodECM.
-EC
cau
pro

1II111[!]
is
r

(j)
1.
See "M/R
FIC
MNT" in"DATA
MONITOR" mode.
2. Run engine atabout 2,000rpm
for about 2minutes under
no-load.

3.
Maintain engineat2,000 rpm
under no-load (engineiswarmed
up sufficiently). Checkthatthe
monitor fluctuates between
"LEAN" and"RICH" morethan5
times during 10seconds.

1 cycle: RICH->LEAN ->RICH
2 cycles: RICH->LEAN ->RICH
->LEAN ->RICH

NG
OR
~
(j)
1.
Set "Heated oxygensensor
monitor" inthe Diagnostic Test
Mode II.
(See page EC-252.)
2. Run
engine atabout 2,000rpm
for about 2minutes under
no-load.

3.
Maintain
engineat2,000 rpm
under no-load. Checkthatthe
malfunction indicatorlampgoes
on and offmore than5times dur-
ing 10seconds.
~OK
END

SEF135K

I

MEC7118
825rpm

2000rpm

RICH

1<

NO FAIL
D

RECORD
\ I/

.........
~/"

- CHECK-

/
......

/ I\

~MONITOR
~NOFAIL
0

CAS-RPM (REF)
CMPS.RPM (REF)
MIR
FIC
MNT

1<

MONITOR

@~~
~~r

~~V
-
-~

Data linkconnector forCONSULT
(Connect CHKandIGN terminals
with asuitable harness)

II

SEF051PEC-246

Heatedoxygen sensor
harness connector BASIC
SERVICE PROCEDURE [][]
Idle Speed/Ignition Timing/IdleMixtureRatio
Adjustment (Cont'd)

@

II
MEF031DB

~io

ECM TIcoNNECTORl1

19

LEn
MEC712B
Check
heated oxygen sensorharness:
1. Turn offengine anddisconnect batteryground
cable.
2. Disconnect ECMharness connector fromECM.
3. Disconnect heatedoxygen sensorharness con-
nector. Thenconnect harness sideterminal for
heated oxygen sensortoground withajumper
wire.
4. Check forcontinuity betweenterminal
@
ofECM
harness connector andbody ground.
Continuity exists OK
Continuity doesnotexist NG

OK

Repairorreplace harness.
Connect ECMharness connector toECM .
•

OR

1.
Connect batteryground cable.
2. Select "ENGCOOLANT TEMP"in
"ACTIVE TEST"mode.
3. Set "COOLANT TEMP"to20"C (68"F) by
touching "Qu"and"Qd" and"UP",

"DWN".

Disconnect enginecoolant temperature
sensor harness connector.
2. Connect aresistor (2.5kQ)between termi-
nals ofengine coolant temperature sensor
harness connector.
3. Connect batteryground cable.

Ii

AEC681

•
ACTIVE TEST.
0

COOLANT TEMP 20°C
===MONITOR=== CMPS.RPM (REF)
Orpm

INJ PULSE
O.7msec

IGN TIMING 5BTDC

DISCONNFCT
Enginecoolant
10 temperature
sensor
harness connector
~ ~

00
2.5
k0 resistor
Start
engine andwarm itup until engine coolant
temperature indicatorpointstomiddle ofgauge.
(Be sure tostart engine aftersetting "COOLANT

'-- A_E_C6_8-l2
TEMP"orinstalling a2.5 kQresistor.)

Ii

SEF455QEC-247

m
1

Rev engine twoorthree times under no-load, thenrun
engine atidle speed.

m
Check "CO"%.

Idle CO: Less than10%andengine runssmoothly.

After checking CO%.

00
1.
Touch "BACK".
OR

(j)
1.
Disconnect theresistor fromterminals ofengine
coolant temperature sensorharness connector.
2. Connect
enginecoolant temperature sensorhar-
ness connector toengine coolant temperature
sensor.
NG
1
0K
Replace heatedoxygen sensor.

fa
an

00
1.
See
"MIR
FIC
MNT" in"Data
monitor" mode.
2. Maintain
engineat2,000 rpmunder
no-load (engine iswarmed upsuffi-
ciently.). Checkthatthemonitor fluc-
tuates between "LEAN"and"RICH"
more than5times during 10sec-
onds.
1 cycle: RICH-->LEAN -.RICH
2 cycles: RICH-->LEAN -->RICH
-->LEAN -->RICH

OR

(j)
1.
Set
"Heated oxygensensormonitor"
in the Diagnostic TestMode II.
(Refef'to EC-253)
2. Maintain
engineat2,000 rpmunder
no-load. Checkthatthemalfunction
indicator lampgoesONand OFF
more than5times during 10sec-
onds.

I
NG OK

SEF913J

I

MEC7118

2000rpm

RICH
*

NO FAIL
D
RECORD
SEF909PBASIC
SERVICE PROCEDURE
mJ

Idle Speed/Ignition Timing/ldleMixtureRatio
Adjustment (Cont'd)

CID

SEF248F
\ I/

.........
~/'

- CHECK-

/
.......

/ I\
CMPS.RPM
(REF)

MIR F/CMNT

*

MONITOR

~~~~:?_-~ .
w=jr

~~~~"v
-~

Data linkconnector forCONSULT
(Connect CHKandIGN terminals
with asuitable harness)

SEF051PEC-248

TROUBLEDIAGNOSIS -General Description
KEY POINTS

WHAT .....
Vehicle &engine model

WHEN
Date,Frequencies
WHERE Roadconditions
HOW Operatingconditions,
Weather conditions,
Symptoms
SEF907L
WORKSHEET SAMPLE Diagnostic
Worksheet

There aremany operating conditions thatlead tothe malfunc-
tion ofengine components. Agood grasp ofsuch conditions can
make troubleshooting fasterandmore accurate.

In
general, eachcustomer feelsdifferently aboutaproblem. It
is important tofully understand thesymptoms orconditions for
a customer complaint.
Utilize adiagnostic worksheet liketheone shown belowin
order toorganize allthe information fortroubleshooting.

•

Customer name
MR/MS Model

&
Year VIN
Engine
#
Trans. Mileage
Incident Date Manuf.Date InService Date

o
Impossible tostart
o
No combustion

o
Partial combustion

o
Startability
o

Partial combustion affectedbythrottle position

o
Partial combustion NOTaffected bythrottle position

o
Possible buthard tostart
o
Others [
]

o
No fast idle
o
Unstable
o
High idle

o
Low idle

[J
Idling

o
Others [
]

Symptoms
[J
Stumble
o
Surge
o
Knock

o
Lack ofpower

o
Driveability
o

Intake backfire

o
Exhaust backfire

o
Others [
]

o
At the time ofstart
o
While idling

o
Engine stall
o

While accelerating
o
While decelerating

o
Just after stopping
o
While loading
Incident occurrence
o

Just after delivery
o
Recently

o
Inthe morning
o
At night
o
Inthe daytime
Frequency
o

All the time

o
Under certain conditions
o
Sometimes
Weather conditions
o
Not affected
Weather
o
Fine DRaining
o
Snowing
o
Others [
]

Temperature
o
Hot
o
Warm
o
Cool
o
Cold
o
Humid
of

o
Cold
o

During warm-up

o
After warm-up
Engine conditions
Enginespeed

I
I
I

I
I
I
I

I
I

0 2,000 4,000
6,000 8,000rpm

Road conditions
o

Intown
o
Insuburbs
o
Highway
o
Off road (up/down)

o
Not affected

o
At starting
o
While idling
o
At racing

o
While accelerating
o
While cruising
Driving conditions
o

While decelerating
o
While turning (RH/LH)
Vehicle speed
I
I
I
I

I
I
II

I
I
I
II

0 10 20 3040
5060
MPH

Malfunction indicatorlamp
o
Turned on
o
Not turned on

EC-267

SERVICEOATAAND SPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
CAMSHAFT ANDCAMSHAFT BEARING CYLINDERBLOCK
Camshaft
Unit:
mm(in)
Unit: mm(in)
GA16DE GA16DE
GA16DE with
with
Engine GA14DEGA15DE without
VTC
VTC
for
model
VTC
except
Aus-
for tralia
Europe
39,880 -
39,380 -40,610
-
40,610 -

Q)
40070
39,570
40,800
40800

""
(1.5701
-(1.5504 -(1.5988 -(1.5988 -

<1l

39,380 -
Cam
C

1.5776)1.5579)1.6063) 1.6063)
39.570
height
-

"A" (1,5504
-
40.056 -39.880 -
40.056 -39.91
-

U;
1.5579)
40.24640,07040.246 40.100

:::l

<1l
(1.5770-(1.5701-(1.5770 -(1.5713 -

.c

x

1,5845)1,5776)
1.5845) 1,5787)

w

Cam wear
0.20(0.0079)
limit

EM671
Camshaft bearing

Unit:mm(in)
Standard Limit
Camshaft journaltobear- 0,045
-0.086
0,15(0.0059)
ing clearance (00018-0.0034)
NO.1 28.000
-28,021
Inner diameter
(1.1024-1 1032)
of camshaft
-

bearing No.
2to 24,000
-24021
No, 5 (0.9449
-0.9457)
NO.1 27.935
-27.955
Outer diameter
(1,0998-1.1006)
of camshaft
.-

journal No.
2to 23935
-23.955
No, 5 (0,9423
-0,9431)
Camshaft runout[TIR'1] Less
than
01(0,004)
0.02 (0.0008)
0070 -0 143
(0,0028 -
Camshaft endplay 0.0056)'2
020(0,0079)
0,115 -0,188
(0.0045 -
0.0074)'3
T

1
Crankshaftcenter

SEM171D

GA14DE GA16DE
GA15DE Limit
Standard
Surface flatness Less
than
0,1(0,004)
0,03 (0.0012)
Height "H"(nominal) 213.95
-214.05

-

(8.4232 -8.4271)
Standard Inner diameter
73.600- 76.000-
Grade No.1 73,610
76,010
(2.8976 -(2,9921
-
2.8980) 2.9925)
73.610 - 76.010
-
Grade NO.2 73,620
76020
0.2(0,008)
(2.8980 -(2.9925
-
2.8984) 2.9929)
73,620 - 76.020-
Grade No.3 73.630
76.030
(2,8984 -(2.9929 -
2.8988) 2,9933)
Out-ot-round Less
than

-

(X -Yi
0,015
(0.0006)
Less than
Taper (A-B)
._-

0.01 (0.0004)
Difference ininner
diameter between 005
(0,0020) 0,2
(0.008)
cylinders
'1: Total indicator reading
'2: GA 16DE without
VTC
and 14DE
'3: GA16DE withVTC andGA15DE

EM-160

CRANKSHAFT SERVICE
DATAANDSPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
MAIN BEARING
Grade No. Thickness
"T"
Identificationcolor
mm (in)
0 1.827
-1.831
Black
(0.0719 -0.0721)
1 1.831
-1.835
Brown
(0.0721 -0.0722)
2 1.835
-1.839
Green
(0.0722 -0.0724)
3 1.839
-1.843
Yellow
(0.0724 -0.0726)
4 1.843
-1.847
Blue
(0.0726 -0.0727)
Unit:
mm(in)
GA14DE
I
GA15DE
GA16DE
Main journal dia.
"Dm"
Grade No.0 49.956-49.964 (1.9668 -1.9671)
Grade NO.1 49.948-49.956 (1.9665 -1.9668)
Grade NO.2
49.940-49.948 (1.9661 -1.9665)
Pin journal dia."Dp"
Grade No.0 39.968-39.974 (1.5735 -1.5738)
Grade NO.1
39.962-39.968 (1.5733 -1.5735)
Grade No.2 39.956-39.962 (1.5731 -1.5733)
Center distance "r" 40.85
-40.95

I
43.95
-44.05
(1.6083 -1.6122) (1.7303-1.7342)
Out-ot-round (X-Y)
Standard Lessthan0.005 (0.0002)
Taper (A-B)
Standard Lessthan0.002 (0.0001)
Runout [TIW]
Standard Lessthan0.05(0.0020)
Free endplay
Standard 0.060-0.180 (0.0024 -0.0071)
Limit 0.3(0.012)
': Total indicator reading Standard
Undersize 0.25(0.0098)
0.50 (0.0197) Unit:
mm(in)
Thickness "T"
1.960 -1.964 (0.0772 -0.0773)
2.085 -2.089 (0.0821 -0.0822)
AVAILABLE CONNECTING RODBEARING
Connecting rodbearing
Unit:mm(in)
Grade No. Thickness
Identificationcolorornumber
0 1.503
-1.506 (0.0592 -0.0593)

-

Standard 11.506-1.509 (0.0593 -0.0594) Brown
2 1.509
-1.512 (0.0594 -0.0595) Green
0.08 (0.0031) 1.542
-1.546 (0.0607 -0.0609)
8
Undersize 0.12(0.0047) 1.562
-1.566 (0.0615 -0.0617) 12
0.25 (0.0098) 1.627
-1.931 (0.0641 -0.0642) 25
Bearing clearance
Unit:mm(in) MISCELLANEOUS
COMPONENTS
Unit:mm(in)
Main bearing clearance
Standard Limit
Connecting rodbearing
clearance 0.018
-0.042
(0.0007 -0.0017)
0.1 (0.004) Camshaft
sprocketrunoutlimit
[TIW]
Flywheel runout[TIW]
Drive platerunout [T1R']
': Total indicator reading 0.17
(0.0067)
Less than0.15(0.0059)
Less than0.2(0.008)
Standard Limit All 0.014
-0.039
(0.0006 -0.0015)
0.1 (0.004)
EM-162