1995 NISSAN ALMERA N15 fog light

TROUBLEDIAGNOSES -General Description
rnJ

ECM Terminals andReference Value(Cont'd)
TERMINAL WIRE
CONDITION
NO. COLOR ITEM
DATA
IEngine isrunning./ (Warm-up condition)
1.2-1.8V

L
Idle speed
16 ORorG Mass airflow sensor
IEngineisrunning.1 (Warm-up condition)
1.7-2.3V

L
Engine speedis2,000 rpm.
0-5.0V
18 BR/Yor
Enginecoolant temper-
IEngineisrunning.' Output
voltage varies
GY aturesensor with
engine coolant
temperature.
19 W Oxygen
sensor(Except IEngine
isrunning.1

o-
Approximately 1.0V
for Europe andIsrael)

L
After warming upsufficiently
Ilgnition switch"ON"I(Warm-up condition)
0.40-0.60V

L
Accelerator pedalreleased
20 Y Throttlepositionsensor
jlgnitionswitch"ON"I

L
Accelerator pedalfullydepressed Approximately
4V
For Israel
22 Camshaft
positionsen-
1.5-3.0V
30 L
sor(Reference signal:
IEngineisrunning.1
Except forEurope) Except
forIsrael
0.1 -0.4V
Ilgnition switch"ON'"
Approximately1.5V
24 ORIL Malfunction
indicator
lamp IEngineisrunning.1 BATIERY
VOLTAGE
(11 -14V)
27 W Knock
sensor (Except IEngine
isrunning.1
Approximately2.5V
for Europe andIsrael)

L
Idle speed
Camshaft positionsen-
L sor(Reference signal: 1.5-3.0V
For Europe)
31 IEngineisrunning.1
40 Camshaft
positionsen-

B/W
sor
(Position signal:
2.0-3.0V
Except forEurope and
Israel)
Ilgnitionswitch"ON"I
32 PUIR Vehiclespeedsensor
t

Eog'oe stopped aodgea, posit;oo
'S
"Neu- Variesfrom0to 5V
tral position".
While rotating drivewheel byhand
IEngine isrunning.1
BATIERY VOLTAGE

t
Rear window defogger switchis"ON".
(11-14V)
Electric loadswitch Lighting
switchis"ON".
33 R
IEngineisrunning.1

t
Rear window defogger switchis"OFF". OV
Lighting switchis"ON".
EC-84

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

TERMINAL WIRE
NO. COLOR ITEM
CONDITION DATA
46 WIL Powersupply (Back-up)
Ilgnitionswitch"OFF'" BA
TTERY VOLTAGE
(11 -14V)
101 RIB InjectorNo.1
103
GIB
InjectorNo.3
BATTERYVOLTAGE
110 Y/B InjectorNO.2 IEngine
isrunning./
(11-14V)
112 LIB Injector
NO.4
IEngineisrunning.1
BATTERY VOLTAGE
Heated oxygen sensor

L
Engine speedisabove 3,200rpm. (11
-14V)
102 OR heaterground
(For Europe andIsrael) IEngine
isrunning.1
ApproximatelyOV

L
Engine speedisbelow 3,200rpm.
jlgnition switch"ON"I

L
For 5seconds afterturning ignition switch
"ON" Approximately
OV
104 B/P Fuel
pump relay /Engine
isrunning.1
(Except forEurope)
Ilgnitionswitch"ON"I
BATTERYVOLTAGE

L
5seconds afterturning ignition switch
(11-14V)
"ON" andthereafter
EVAP canister purge
control solenoid valveIEngine
isrunning.1 (Warm-up condition)
(GA16DE
MIT
models

L
Idle speed Approximately
OV
except forEurope
&

105 P Israel)
EGR valve
&
EVAP can-
ister purge control sole-IEngine
isrunning.1 (Warm-up condition)
BATTERYVOLTAGE
noid valve (ForEurope

L

Engine isracing fromidleto3,000 rpmin
(11-14V)
and Israel, andGA15DE
1st position.

MIT
models)
jlgnitionswitch"ON"I

L
For 5seconds afterturning ignition switch
"ON" 0.7
-0.9V
106 SIP Fuel
pump relay IEngine
isrunning.1
(For Europe)
-

Ilgnition switch"ON"I
BATTERYVOLTAGE

L
5seconds afterturning ignition switch
(11-14V)
"ON" andthereafter
IEngine isrunning.1
10-13V

L
Idle speed
IACV-AAC valve(Open-
IEngineisrunning.1
111 5B ingsignal: Exceptfor
Europe andIsrael)

l
51.."" wheel
t,
be'" I,med

Approximately5.0V
Air conditioner isoperating.
Rear window defogger switchis"ON".
Lighting switchis"ON".

EC-86

TROUBLEDIAGNOSES -General Description
[ill

ECM Terminals andReference Value(Cont'd)

TERMINAL WIRE
ITEM CONDITION
DATA
NO. COLOR
IEngineisrunning.1
7-13V

L
Idle speed
IACV-AAC valve(Clos-
~gineisrunning.1
PU/W ing
signal: Exceptfor
Europe andIsrael)

t
Stee,'", wheel',be'",t,med

11-14V
Air conditioner isoperating.
Rear window defogger switchis"ON".
Lighting switchis"ON".
113 IEngineisrunning.1
11-14V

L
Idle speed
5B IACV-AAC
valve I~ngine
isrunning.1
(For Europe andIsrael)

~Steee'", wheel"be'", t,med

Air conditioner isoperating. 1
-10V
Rear window defogger switchis"ON".
Lighting switchis"ON".
IEngine isrunning.1
ApproximatelyOV
Torque converter clutch

L
Idle speed
solenoid valve
115 P/B

(A/T
models exceptforIEngine
isrunning
I
(Warm-up condition)

L
BATTERY
VOLTAGE
Europe andIsrael)
Vehiclespeedis60 km/h (37MPH) or
(11-14V)
more in
"0"
position.

EC-87
•

TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)

EC-LOAD-02

Referto
EL-POWER.
FUSE
BLOCK
(JIB)

~
(106)
~120)

With daytime light
system
Without daytime
light system
Detectable line
for OTC
Non-detectable line forOTC

-:
-:

@:
@:

ECM (ECeS
CONTROL
MODULE)

(fD

.------

20A 20A10A

m [[]
1251

I
Pl'
IQ~OI

LIB BR
REAR ~1~
rn!
REAR
WINDOW
InI
WINDOW
DEFOGGER ONU ~~r~~GER
SWITCH OFF--
-1-i~'---I-i"""""l
m:@)

@:@
11211

.,=
L/R
G/R

L/R
IrJPl
L

m
CHID

~ L/R Torear window
~g~~~CTOR-2 ~L/R
..J
G/R
~~~~~~~e~otimer

@)
I.4=JI
EL-DEF .)

L/R

~ DIOOE-1

~

2

R
I

-.
I

R

m@

!!4Jl@
R

13'31

LOAD
~
OIOOE-2~
Preceding
---At-
RIG~
R
page ~

f1Till1~

1m
W
rrrITrl@
~~~+
m
(!IIII~
@

ITlIl]
GYW,gJ' 21L 345 6 W

5
Refer
tolast page
(Foldout page).

CHID
m

,

~ (106)@Q)

, ,

HEC055
EC-212

TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)

RHO MODELS
EC-LOAD-03

•

For
Europe
Except@
Detectable line
for DTC
Non-detectable line forDTC

rI
II

B B
BB
B

L~ L~

1

-!- -!-

(M68) (M60)
CM28)

-:

@:

@:

-:

LG/B

~6
FAN
ON SWITCH
OFF-- ~

l4=!J
B

Refer
toEL-POWER.
LG/B
IGA"?i\

r=b~

IU/JI@

LG/B

I
t

LG/B

1@5J1

H/FAN
2ND
LIGHTING
SWITCH

(E10?)

FUSE
BLOCK
(JIB)

~

I
ECM(ECCS
CONTROL
MODULE)

(IT)
-------------------
~

LIB

~1
REARWINDOW
ON DEFOGGER
SWITCH
OFF-- ,~

~ ~

OO
L~R ~R:~~
DIODE-1 FUSE
~ BLOCK

(JIB)

2
UN.BI~

R DIODE-2~
RIG

e-
R
{#Jjf{I}
RIG
..J

6~

<$>
I

R R

rn~ rn~

~ em
I!4=lJ
@

R R

~ I

O~

I

R

IT3n

LOAD

F1Tffi~

rn:rn:rn
W
~---------------------~

~@

~w
Refer
tolast page
(Foldout page').

~ (E106)

,

L ~

HEC056
EC-213

TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)
GA 16DE forAustralia

EC-LOAD-01

I

B

1

@

B
B

L~
-!-

(M60)

Detectable
line
for DTC
Non-detectable line forDTC

B B

L~
-!-

~

-:
-:

LG/B

~6
FAN
ON SWITCH
OFF--
@

I4J
B

ECM (ECCS
CONTROL
MODULE)

em

LG/B

r::::b@

IlJlll
CEID

LGIB

I
t

LG/B

1351

H/FAN
LIR

I$I@
@

L/R

I

L/R

115'51

R/DEF
FUSE

20A BLOCK RefertoEL-POWER.

m
(JIB)

~
~
LIB

I

LIB

l1JJ
l
REARWINDOW
ON DEFOGGER
SWITCH
OFF-- ~

lbi=ll
L/R
2ND
LIGHTING
SWITCH


~
RIL

I

R/L

~Q'3
I
(EiOS)

FUSE BLOCK
(JIB)

IN181~
RIG

I

RIG
IU"ArI\

r=:b,~

'Uil'
CEID

RIG

I

RIG

~

H!LMP
lOA

1361

BIR

I

BIR

rrffil

~

OFF ...._1ST

~~

tiliIiI
W
lll'

III~ ~

3456 W
~@

~W
Refer
tolast page

(Foldout page).

([@

101 102103
107 108109
113 114115 104
105 106
110 111 112
116
117

118

HEC084
EC-214

L,__
R_E_CO_R_D __
I
MEC212B

Ii]

*
MONITOR
*
NO FAIL
0

LOAD SIGNAL OFF
•

r-
(A)

INSPECTION
START

m
CHECK OVERALL FUNCTION-I. NG
Check rearwindow
1) Turn ignition switch"ON",
----+

defogger circuit.

00
2)
Check "LOAD SIGNAL" in
(Goto
I
Procedure A
I,)

"DATA MONITOR" modewith
CONSULT. Rear window defogger switch
is "ON": ON
Rear window defogger switch

.

is"OFF": OFF
OR

@
2)
Check voltage between ECM
terminal
@
or
@
and
ground underthefollowing
conditions.
Voltage:
Rear window defogger
switch is"ON".
Battery voltage
Rear window defogger
switch is"OFF".
Approximately OV
OK

Ii]

CHECK OVERALL FUNCTION-II. NG
Check lighting switchcir-
1) Turn rearwindow defogger switch
----+

cuit.
"OFF", (Goto
I
Proceduffil?J)

00
2)
Check "LOAD SIGNAL" in
"DATA MONITOR" modewith
CONSULT.
Lighting switchis"ON": ON
Lighting switchis"OFF": OFF
OR

@
2)
Turn ignition switch"OFF"
3) Check voltage between ECM
terminal
i@J
or
@
and
ground underthefollowing
cond itions.
Voltage: Lighting switchis"ON".
Battery voltage
Lighting switchis"OFF".
Approximately OV

SEF240R
SEF241R
SEF197R

OFF

*

NO FAIL
0

TROUBLE
DIAGNOSIS FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)
DIAGNOSTIC PROCEDURE

~15@a0

ECM
ECONNECTORII

33 55

~15~

ECM
E
CONNECTOR
II

45 35

~15~

ECM
€I'
CONNECTOR
II

33 60

*

MONITOR
LOAD SIGNAL

@:
ForAustralia
33 :Except forAustralia

@:
ForAustralia

45 ,
Except forAustralia

@:

ForAustralia

33 :
Except forAustralia

___
RE_C_O_R_D __
I

MEC212B

II
II
II
EC-215

TROUBLEDIAGNOSIS -General Descrip_ti_on
1S_R_'

Basic Inspection
Precaution:
Perform BasicInspection withoutelectrical ormechanical loads
applied;
• Headlamp switchisOFF,
• Air conditioner switchisOFF,
• Rear defogger switchisOFF,
• Steering wheelisinthe straight-ahead position,etc.

m

BEFORE STARTING

1. Check service records forany recent •
repairs thatmay indicate arelated
problem, orthe current needfor
scheduled maintenance.
2. Open engine hoodandcheck thefol-
lowing:
• Harness connectors forimproper con-
nections
• Vacuum hosesforsplits, kinks,or
improper connections
• Wiring forimproper connections,
pinches, orcuts
Goto
(I.

No

CONNECT
CONSULTTOTHE VEHICLE.

Connect "CONSULT" tothe data link
connector forCONSULT andselect
"ENGINE" fromthemenu. Referto

EC-254.
DOES ENGINE START?

\\

~
~ SEF1421

START

•
IGN TIMING ADJ.
0

IGNITION TIMINGFEEDBACK
CONTROL WILLBEHELD BY
TOUCHING START
AFTER DOING SO,ADJUST
IGNITION TIMINGWITHA
TIMING LIGHTBYTURNING
THE CAMSHAFT POSITION
SENSOR.

SEF555N
Yes

CHECK IGNITION TIMING.

(ij\
1.Warm upengine sufficiently.
~ 2.Select "IGNTIMING ADJ"in
"WORK SUPPORT" mode.
3. Touch "START".
4. Check ignition timingatidle
using timing light.

Ignition timing:
15°::f:2° BTDC

~ 1Warm upengine sufficiently.

~ 2:
Stop engine anddisconnect
throttle position sensorhar-
ness connector.
3. Start engine.
4. Check ignition timingatidle
using timing light.

Ignition timing:
15°::f:2° BTDC
OK

(Go to
@
onnext page.) Adjust
ignition timingby
turning distributor.

EC-271