1995 NISSAN ALMERA N15 relay

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

(i]
1

CHECK HARNESS CONTINUITY NG
Repair harness orcon-
BETWEEN ECCSRELAY ANDECM
--..

nectors.
1. Disconnect ECMharness connector.
2. Disconnect ECCSrelay.
3. Check harness continuity between
ECM terminals
@,@,
or
@,
@
and terminal
@.

Continuity shouldexist.
If OK, check harness forshort.
Checkthefollowing .
• Harness connectors
OK ~''fflDr~,
M41
or
F4,M71

• Harness connectors

Ii
~,@IDorQD,

M78

CHECK VOLTAGE BETWEEN ECCS NG
•
Harness connectors
RELA YAND GROUND.
---+-

@,@ID
1. Check voltage between terminals G), •
Joint connector

@
and ground withCONSULTor
@

tester. •
Harness foropen or
Voltage: Batteryvoltage short
between ECCS
relay andbattery
OK If
NG, repair harness or
connectors.

Ii
CHECK OUTPUT SIGNALCIRCUIT. NG
Repair harness orcon-
1. Check harness continuity between ~
nectors.
ECM terminal
@
and terminal
@.

ContinUity shouldexist.
If OK, check harness forshort.

[I
OK
~
CHECK
ECCSRELAY. Replace
ECCSrelay.
1. Apply 12Vdirect current between
relay terminals G)and
@.

2. Check continuity betweenrelayter-
minals
@
and
@.

12V (G) -
@)
applied:
Continuity exists.
No voltage applied:
No continuity
OK

AEC6B4

SEF129R
TROUBLE
DIAGNOSIS FORPOWER SUPPLY
ffiJ

Main Power Supply andGround Circuit(Cont'd)

@

SEF023M EC-92

TROUBLEDIAGNOSIS FORDTC11
[]KJ

Camshaft PositionSensor(CMPS) (Cont'd)
For Europe andIsrael

EC-CMPS-01

*1:
@
40

@30

*2: @31

@22

(b):

LHDmodels

@:
RHOmodels

@:
ForEurope

@:
ForIsrae 1

t

•
W!R
~
~ ~

B L

DISTRIBUTOR
(CAMSHAFT
POSITION
SENSOR)

m

Detectable
line
for OTC
Non-detectable line forDTC

(
:.

I I

I I

JOINT
II

CONNECTOR-6 ::

@
II

.--rq~==~
~=~.
J

I "

11 ~~

B B B REFREF

t.J
1

ffi) ffi)
Refer
to
7.5A EL-POWER. JUNCTIONBOX
[11] No.2(JOINT
CONNECTORS)
W!L ~
<:MID

6- W!L~ W!L
~-==_ -==~~
W!L
-----
./L~ ./L
----------.....:(B)-O

~ <:MID
I

W!L@

4n
W!L
@

I

rT

W!L W!L

I[XI
ECCS
~ RELAY

@

lbjJJ~
W!R WIG

I

...
_--.

... 1

ri-i
W!R W!RW!RWIG

~ff17n~m

CRTN VBVBSSOFF ECM
(ECCSCONTROL
MODULE)

em

-:
-:

~cw

ITIIJ:IITIIill
GY
~'I'I~@

3456 W
A@

T
L
Refer
tolast page
(Foldout page).

HEC028
EC-96

TROUBLEDIAGNOSIS FOROTC11
mJ

Camshaft PositionSensor(CMPS) (Cont'd)

Except forEurope andIsrael

EC-CMPS-02

•

II

8 B 8

t.J
1

(l=J3)
m

Detectable
line
for DTC
Non-detectable line forDTC

-:
-:

ECM (ECCS
CONTROL
MODULE)

(ill

DISTRIBUTOR
(CAMSHAFT
POSITION
SENSOR)


JOINT
CONNECTOR-6

I

W/R

m

---

~~~

L B/W B

(
,

I' ...
1

I I

I I
I I

I I

I I

I I
I I
I I
I I

I I

I I

I
I
ern

l'" --- ....
--iCY=_
-=~-- •

T,

B/W B/W

If31iI
I
4.0
I

POS POS

iT

L L

12~1 ';01

REF REF

t

BATTERY
]
7.5A RefertoEL-POWER.

ffi]

W!L
I

W/L
tE7iIT\

1FsB1~
~CBID

W!L

I~IQMD
@)

W/L

I

Ti

W!L W!L

IT]I
ECCS
~ RELAY

1bf=!J~(U)
WIG W/R

I

.
--_
..

I

T,

WIG W/R W/R

mmIT17TI

SSOFF VBVB

~' I'~
@) ~

4 56 78 W (1121341516) GY
~ern

[[[[OOJOJOJD
GY
Refer
tolast page
(Foldout page).

HEC029
EC-97

TROUBLEDIAGNOSIS FORDTC11 rn:J

Camshaft PositionSensor(CMPS) (Cont'd)

GA16DE forAustralia

EC-CMPS-01

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

t

....,

B B B

t....
1

(ffi)
m

ECM
(ECCS
CONTROL
MODULE)

em

DISTRIBUTOR
(CAMSHAFT
POSITION
SENSOR)

m

JOINT

CONNECTOR-6
---

1hp~lbi=!J

L B/W B

(
'"
"

.-1

r---
I

I

I

I

I

I

I

I

I
I

I

l@

~.- --- .-.~=_
~=m-- •

"

B/W
B/W

~ 114'51

POS POS

r'

L
L

14.0
I
n14n

REF REF

W/L

I

W/L
IE7iU\

r=::b'!JQ.!.,

I~I@

w!L

1m, ~

=r
ern

W/L

I

T-,

W!L W/L

I~~I
ECCS
~ RELAY

U:::i=JIlbiJcrn
WIG W/R

I

. --_
..

I

"

WIG
W/RW/R

fi1=il~~

SSOFF VBVB

fIJ'
I
'fi)
ern

3456 W
+
crn

2 1L

5
~@

[I[illlI[!ll]
GY
Refer
tolast page
(Foldout page).

101 102 103
107
lOB
109
113 114115 104
105106
110 111
112
116
117
118

HEC063
EC-98

•

Repair harness orcon-
nectors.
Check
thefollowing.
• Harness foropen or
short between camshaft
position sensorand
ECCS relay
If NG, repair harness or
connectors .

NG
NG
CHECK
POWER SUPPLY.

1. Turn ignition switch"OFF".
2. Disconnect camshaftpositionsensor
harness connector.
3. Turn ignition switch"ON".
4. Check voltage between terminal

@
and ground withCONSULT or
tester.

Voltage: Batteryvoltage
CHECK GROUND CIRCUIT.

1. Turn ignition switch"OFF".
2. Loosen andretighten engineground
screws.
3. Check harness continuity between
terminal
@
and engine ground.

Continuity shouldexist.

If OK, check harness forshort.

AEC815
SEF524Q
TROUBLE
DIAGNOSIS FORDTC11 ~
Camshaft PositionSensor(CMPS) (Conl'd)

Camshaft positionsensor
DIAGNOSTIC PROCEDURE

harness connector

\ INSPECTIONSTART
Trouble isnot fixed.

~i5

@a

(i1'lmI51~ CHECK
INPUTSIGNAL CIRCUIT.

1. Disconnect ECMharness connector.
2. Check harness continuity between
terminal
@
and ECM terminals
@.

@),
or
@,
@
or
@, @
terminal

@
and ECM terminals
@),
@
or

@,@.
SEF463Q Continuityshouldexist.

If
OK, check harness forshort.

OK

CHECK COMPONENT
(Camshaft positionsensor).
Refer to"COMPONENT INSPECTION"
on next page.

OK

Disconnect andreconnect harnesscon-
nectors inthe circuit. Thenretest.
Check ECMpinterminals fordamage
or the connection ofECM harness con-
nector. Reconnect ECMharness con-
nector andretest.
INSPECTION END
NG

Repair
harness orcon-
nectors.
Replace camshaft position
sensor.

EC-99

TROUBLEDIAGNOSIS FORDTC12
Mass AirFlow Sensor (MAFS) (Coni'd)

GA14DE, 16DEengine forEurope andIsrael, andGA15DE engine

W/R

rrh

;1

I I

! !t

I I
I I

~
.
EC-MAFS-01

MASS AIR
FLOW SENSOR


W
JOINTCONNECTOR

-6

r~ B BB

ECM I..J
1

(ECCS •

Sg~GE~f
-!-
=

(IT)
ffi
ill)

G

~
QA+

lbj:n

G

:

LHDmode 1s

@:
RHOmodels
@: ForEurope andIsrae 1

@:
Except@
_. Detectable line
for DTC
-: Non-detectable
line forDTC
~ B
~~ B B

~ ":91

GND GND

-A -A

t

7.5A
RefertoEL-POWER.

[ill

W
i
L

0-<:0-
W!L~ W!L


W!L

d=
(EI0l)

I~I
CHID

/ JUNCTIONBOXNO.2
~RL (JOINTCONNECTORS)

'T' ~

0-<:0-
W/L
q---~
W!L

I
@)@

O-