NISSAN ALMERA N15 1995 Service Manual

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

TER- WIRE
MINAL COLOR ITEM
CONDITION DATA
NO.
ILightingswitch"ON"I BATTERY
VOLTAGE
60
RIG

Headlamp switch (11
-14V)
ILighting switch"OFF"I
ApproximatelyOV
0- 5.0V
63 RIY Intake
airtemperature

I
Engine isrunning.
I
Output
voltage varies
sensor with
intake airtempera-
ture.
64 GIR
I

Engine isrunning.
I
Approximately
OV
65 GY/L Data
linkconnector for

L
Idle speed (CONSULT isconnected andApproximately
4-9V
CONSULT
68
GIW

turnedon) Approximately
3.5V
I,gnition switch"OFF"
I
BATTERY
VOLTAGE
70
W/L

Powersupply (Back-up)
(11-14V)
Ilgnition switch"ON"I BA
TTERY VOLTAGE
IACV-AAC valve (11
-14V)
101 SS
(Open)
I

Engine isrunning.
I
(Warm-up condition)

L
Engine speedis2,000 rpm. 0-
4V
102 RIB Injector
No.1
104
GIS
InjectorNo.3
BATTERYVOLTAGE
107 YIB InjectorNo.2 Engine
isrunning
(11-14V)
109 LIB Injector
No.4
IEngineisrunning.
I
(Warm-up condition)

~ MIT
models: Jackupfront wheels anddrive BATTERY
VOLTAGE
EGR valve
&
EVAP can-

L
wheels at16 kmlh (10mph) (11
-14V)
103 P
.isterpurge control sole-
Enginespeedis2,000 rpm.
noid valve
IEngineisrunning.
I
(Warm-up condition)

L
Idle speed Approximately
OV
106 BIY ECCSground
I

Engine isrunning.
I

Engineground

L
Idle speed
112 BIY ECCS
ground
I

Engine isrunning.
I

Engineground

L
Idle speed
I Engine isrunning.
I

BATTERYVOLTAGE

L
Idle speed
.

(11-14V)
114 YIR VTCsolenoid valve

I
Engine isrunning.
I

L
Engine speedis2,000 rpm. Approximately
OV
IEngine isrunning.
I

BATTERYVOLTAGE
Heated oxygen sensor

L
Engine speedisabove 3,200rpm. (11
-14V)
115 OR heaterground
IEngine isrunning.
I

(A/T models)
ApproximatelyOV

L
Engine speedisbelow 3,200rpm.
118 SlY ECCS
ground
I

Engine isrunning.
I

Engineground

L
Idle speed

EC-82

TROUBLEDIAGNOSES -General Description @K]
ECM Terminals andReference Value(Conl'd)
ECM INSPECTION TABLE-Except GA16DE forAustralia

Specification dataarereference valuesandaremeasured betweeneachterminal and
@
(ECCS ground).
TERMINAL WIRE
NO. COLOR ITEM
CONDITION DATA
IEngine isrunning.1
0.2-0.3V

L
Idle speed
1
WIB
Ignitionsignal
IEngineisru~

L
Engine speedis2,000 rpm. Approximately
0.7V
Tachometer IEngineisrunning.1
2 LIB
(Modelswithtachome-

L
Idle speed 0.7
-0.9V
ter)
3 GYIR
Ignitioncheck jEngine
isrunning.1
Approximately13V

L
Idle speed
Engine isrunning.'

I

Ignition switch"OFF"I
0-1V
ECCS relay(Self-shut-
L

For afew seconds afterturning ignition
4
WIG

off) switch
"OFF"
llgnition switch"OFF"I
BATTERYVOLTAGE

L
Afew seconds afterturning ignition
(11-14V)
switch "OFF"andthereafter
IEngine isrunning.1
BATTERYVOLTAGE
Cooling fanrelay (Low
L

Cooling fanisnot operating. (11-14V)
9 LGIR
speed) IEngineisrunning.1

L
Cooling fanisoperating. Approximately
OV
IEngine isrunning.1
BATTERYVOLTAGE
Cooling fanrelay (High
t

Cooling fanisnot operating.
(11-14V)
10 LG Cooling
fanisoperating atlow speed.
speed) IEngineisrunning.1

L
Cooling fanisoperating athigh speed. Approximately
OV
IEngine isrunning.1

L
Both
AIC
switch andblower fanswitch Approximately
OV
11 Yor
GAir
conditioner relay are
"ON".
IEngine isrunning.1
BATTERYVOLTAGE

LAIC
switchis"OFF". (11
-14V)
IEngine isrunning.1
BATTERYVOLTAGE
VTC solenoid valve

L
Idle speed (11
-14V)
12 YIR (GA
16DE engine mod-
IEngineisrunning.1
els except forEurope
and Israel)

L
Engine isracing quickly fromidleto4,000 Approximately
OV
rpm at1st position.

EC-83
•

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 @K]
ECM Terminals andReference Value(Conl'd)

TERMINAL WIRE
NO. COLOR ITEM
CONDITION
DATA
Ilgnition switch"ON"I
ApproximatelyOV
34 BIY Startsignal
pgnitionswitch"START"I BATTERY
VOLTAGE
(11 -14V)
pgnition switch"ON"I

t
"N" or"P" position
(A/T)
OV
Neutral position
(M/T)

Neutral position switchl For
Europe andIsrael
35
G/OR

Approximately5V
Inhibitor switch
llgnitionswitch"ON"1
ExceptforEurope and

. L
Except theabove gearposition Israel
BATTERY VOLTAGE
(11 -14V)
Ilgnition switch"OFF"!
OV
36 B/R Ignition
switch(Except
for Europe)
!Ignitionswitch"ON"I BA
TTERY VOLTAGE
(11 •14V)
37 P/L Throttle
position sensor
Ilgnitionswitch"ON"I
Approximately5V
power supply
38
W/R
Powersupply forECM Ilgnition switch"ON"I BA
TTERY VOLTAGE
47 (11
-14V)
IEngine isrunning.1

L
Both airconditioner switchandblower Approximately
OV
41 Gor GY Air
conditioner switch fan
switch are"ON".
!Engine isrunning.1
BATTERYVOLTAGE

L
Airconditioner switchis"OFF". (11
-14V)
IEngine isrunning.!
OV
PU/W Power
steering oilpres-
L

Steering wheelisbeing turned.
43 sureswitch
IEngineisrunning.1

L
Steering wheelisnot being turned. Approximately
5V
jlgnition switch"OFF"I OV
Ignition switch
44 B/R
(ForEurope) BA
TTERY VOLTAGE
pgnition switch"ON"I
(11-14V)
IEngine isrunning.1
Thermo controlamp.
L

Both airconditioner switchandblower fanApproximately
OV
44 R/L (Except
forEurope and switch
are"ON".
Israel) IEngineisrunning.1
BATTERYVOLTAGE

L
Airconditioner switchis"OFF". (11
-14V)
IEngine isrunning.1
ApproximatelyOV

L
Blower fanswitch is"ON".
45 LG/B
or
Blower fanswitch

G/Y
IEngineisrunning.!

L
Blower fanswitch is"OFF". Approximately
5V

EC-85
•

TROUBLEDIAGNOSES -General Description
mJ

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 FORPOWER SUPPLY
Main Power Supply andGround Circuit

W/L

14~1

BATT
LHD
models
RHO models
For Europe and
Israel
Except@
For Europe
Except@
@44

@36
Detectable line
for DTC
Non-detectable line forDTC

EC-MAIN-01

Refer toEL-POWER.

(1J:

@:

@:

@:
@:

@:

~H :

-:
-:

ECM (ECCS
CONTROL
MODULE)
em

ST
IGNITION

SWITCH


'iIi'

30A
OJ

G

m

4=Jl
B/R

I

~ ~

B/R B/R

~~1~
laiml
~~1~
1$1

B/R B/R


I
~$

tU"Affi
B/R B/R
tcr:n\

~T T~

@4=U
1bi=U@

B/R B/R

~ __
I

B/R

n*ll
IGN
SW

OF

7.5A
RefertoEL-POWER.

[ill

W~L ~
<:MID

0-<0-
W!L~ W/L--- .....

~
W!L
IE7n7\

d::,~

I~I

/ JUNCTIONBOXNO.2
~ (JOINTCONNECTORS)

"T

0-<0-
W/L~__ ~~ W!L

I
@Jew
O-- W/L~ W/L~
~ W/L~ W/L
-
~ (F4) •
I

..... -_,.-.--=--.1

II

W/L W/L

IT
~I
ECCS
~ RELAY

@

lbi=Jl1!:idl
WIG W/R

I
'-9-
WIG W/R W/RW/R

m
I;BI 114'71
11~1

SSOFF VBVBCRTN

~------------------~

fJjlll~@
~'I'fIl@ +@:mm
f3T5m:

3456 W4567B W21L
:~@~@
5
I
W W
I

L ~
Refer
tolast page
(Foldout page).

HEC026
EC-88

TROUBLEDIAGNOSIS FORPOWER SUPPLY
[]K]

Main Power Supply andGround Circuit(Cont'd)
Except GA16DE forAustralia

EC-MAIN-02

-: Detectab Ie1ine
for DTC
-: Non-detectable
line forDTC

ECM (ECCS

•

CONTROL
GND GND GNDGNDGND GNDGND MODULE)
-C -C
-1
-1

-E-E
-E

em

1
3•9
1
1~81

.~

~
1
1
r
l
11~1
11~61

B B
B/WB/W B/YB/YB/Y

L. L._._._.

~

B B/Y

L~
-!-

(F14)

<:ED
L

HEC027
EC-89

TROUBLEDIAGNOSIS FORPOWER SUPPLY @KJ

Main Power Supply andGround Circuit(Cont'd)

GA16DE forAustralia

EC-MAIN-01

ECM(ECCS
CONTROL
MODULE)

em

Detectable line
for DTC
Non-detectable line forDTC
Refer
toEL-POWER.

-:
-:

ST
IGNITION
SWITCH

~
30A

IT]

I4J
B/R

I

B/R tE77\i\

r=:b~

I~I
B/R
tm'i'\\

cb~

'4=ll@

B/R

I

B/R

~
IGN
SW
Refer
toEL-POWER.
GND GND GNDGNDGND GNDGND
-C -C -I -I -E -E-E

13.9
I
I~31 ~~ n1~6111~21111:81

B B B/WB/W B/YB/YB/Y

L
I II II I

, I_I
,-e-e-=e---J

B B BB/Y

~..I L~

-!-
-!

CF13)
ffi

7.5A

~

W/L
tE77\i\

r=:b~

I~ICMID

W/L

IctJl~

=r@

W/L

I

e,--,,-,

W/LW/L

IT
~I
ECCS
~ RELAY

@

lbf=n~
WIG
W/R

I "__ ~

WIG
W/R W/R

m
1I~61
If6TI

SSOFF VBVB

W/L

17~1

BATT

III'
I
'liJ
(ffi ~ @

3456 W
T
L~~

t3RIID
W
Refer
tolast page
(Foldout page).

101 102103
107 108 109

113
114115 104
105 106
110 111112
116
117
118

HEC062
EC-90

TROUBLEDIAGNOSIS FORPOWER SUPPLY ~
Main Power Supply andGround Circuit(Cont'd)

•

-!.OK

Go to
III
"CHECK
GROUND CIRCUIT" on
next page.
CHECK
POWER SUP-
PLY-I. 1. Turn ignition switch

"ON".

2. Check Yoltage between
ECM terminal
@,
@

or
@
and ground with
CONSULT ortester.

Voltage: Batteryvolt-
age

If NG, check thefollow-
ing .
• Harness connectors

GD,@orUD,

@

• Harness connectors

OO,@))

• Harness foropen or
short between ECM
and ignition switch
If NG, repair harness or
connectors.
Check thefollowing.
• Harness connectors
CID,
@O)ui)r
UD,

@or
F4,@

• Harness connectors

00, @))
or
Cill,

@

• Harness connectors

@,@))

• Joint connector
@

• 7.5A fuse
• Harness foropen or
short between ECM
and battery
If NG, repair harness or
connectors.
INSPECTION
START
Start engine.

Is engine running?

CHECK POWER SUPPLY-II.
1. Stop engine.
2. Check voltage between ECMterminal
~ or
@)
and ground withCONSULT
or tester.

Voltage: Batteryvoltage

OKYes
SEF134R
~i)
ECM
E[coNNECTORII

~;~~ ~i)

II
ECM
P!CONNECTORII

46 70

SEF133R

II

ECM

36 36

~85 ~r5

II
ECM
EJ
CONNECTOR
II
~53 1

~'.S~ ~

@:
Except forAustralia andEurope
-=

and Israel

@ :
For Australia

@ :
For Europe andIsrael SEF132R

@:
Except forAustralia

@ :
For Australia

~ @,@:
Except forAustralia
~FF
@,
@:
ForAustralia

@ ,
@: Except forAustralia

@ ,@:
ForAustralia
SEF135R
[!]

CHECK POWER SUPPLY-III.
1. Turn ignition switch"ON"andthen

"OFF".

2. Check Yoltage between ECMterminals

@,
@,
or
@,
i@
and ground with
CONSULT ortester.

After turning ignition switch"OFF",
battery voltage willexist forafew
seconds, thendrop toapproximately

av.

NG ~
Goto
III
"CHECK
GROUND CIRCUIT" on
next page.
Case-1: Batteryvoltage
does notexist fora
few seconds.
Case-2: Batteryvoltage
exists formore than
a few seconds.
Case-2
Case-1 Go
to[!1 "CHECK ECCS
RELAY" onnext page.
EC-91