NISSAN ALMERA N15 1995 Service Manual

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 FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)
@
CHECK POWER ANDGROUND CIRCUIT

1. Turn ignition switch"OFF".
2. Check continuity betweenECMtermi-
nal
@
or
@
and ground.

Blower fanswitch "ON"
Continuity shouldexist.
Blower fanswitch "OFF"
Continuity shouldnotexist.
OK

Disconnect andreconnect harnesscon-
nectors inthe circuit. Thenretest.
Trouble isnot fixed.
Check ECMpinterminals fordamage
or loose connection ofECM harness
connector. ReconnectECMharness
connector andretest
INSPECTION END

EC-216 NG

Check thefollowing.
• Harness connectors

QD,@

• Joint connector

@

• Harness continuity
between ECMandfan
switch, fanswitch and
ground
If NG, repair harness or
connectors.

INSPECTIONSTART

TROUBLE
DIAGNOSIS FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)
~ 15 ~15
I
P_RO_CE_DU_RE_A _

ECM
ECONNECTOR
II

55 33

@:
ForAustralia

@:
Except forAustralia

SEF19SR
Check
ifrear window defogger func-
tions normally.

OK

I;J
CHECK INPUTSIGNAL CIRCUIT.
1. Turn rearwindow defogger switch
"OFF".
2. Turn ignition switch"OFF".
3. Disconnect ECMharness connector
and rear window defogger switch
harness connector.
4. Check harness continuity between
ECM terminal
@
or
@
and terminal
@.

Continuity shouldexist.

If OK, check harness forshort.

OK

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

EC-217 NG
NG
Check
rearwindow
defogger circuit.(Referto
"REAR WINDOW
DEFOGGER" inEL sec-
tion.)
Check thefollowing.
• Harness connectors

@,@orQI),

@

• Diode@
• Joint connector

@

• Harness foropen or
short between ECM
and rear window defog-
ger switch
If NG, repair harness or
connectors.
•

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

INSPECTION START
Check iflamps lightwhen lighting NG
Check lighting switchcir-
switch isturned "ON".
-----..--..

cui!.(Refer to"COMBI-
OK NATION
SWITCH" inEL
section.)

Ii
CHECK INPUTSIGNAL CIRCUIT. NG
Check thefollowing.
1. Turn ignition switch"OFF".
-----..--..

•Harness connectors
2. Disconnect ECMharness connector CID,@or@,
and lighting switchharness connec- @orQD,@
tor. •
Harness connectors
3. Check harness continuity between
@,@ID

ECM terminal
@
or@ and terminal .Diode@
@. •10A fuse

Continuity shouldexist.
•
Daytime lightunit
If OK, check harness forshort. •
Harness foropen or
OK short
between lighting
switch anddiode

If
NG, repair harness or
connectors.
Disconnect andreconnect harnesscon-
nectors inthe circuit. Thenretest.
Trouble isnot fixed.
Check ECMpinterminals fordamage
or the connection ofECM harness con-
nector. Reconnect ECMharness con-
nector andretest.
INSPECTION END

SEF199R

~&5

~15

1='
=E=CM===IE[ CONNECTOR
II

60
SEF188R

~15
~i5

II
ECM
19"
CONNECTOR
II

33

*
1:LHD models andRHD models forEurope

*
2:RHD models exceptforEurope

II

Except forAustralia
I

~Io ~io----~

II
ECM E!'CONNECTOR
II

33

II
ForAustralia
EC-218

TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS
Torque Converter ClutchSolenoid Valve

IQ.61
y

I

y

1l1J1
ffi

=r
(E202)

y

I

y

r::b,
TORQUE
~3 CONVERTER
CLUTCH
SOLENOID
II 111 VALVE

=r
(E223)
PIB

I

PIS

r::b,@i)

Il4Jl
m

PIB

L
(E10!)
CHID
(M49)
CEID

PiS ~ PIS--PIS ~~ P/S"""l
PIS

Ii1N

LKUP
IGNITION
SWITCH
ON or START
10A
rn FUSE
BLOCK
(JIB)

(Ef06)
Refer
toEL-POWER.
EC-LKUP-01

-: Detectable line
for DTC
-: Non-detectable
line forDTC
ECM (ECCS
CONTROL
MODULE)

em
•

~~~~

~ S
w.g@>
S
~~
~S
Refer
tolast page
(Foldout page).

HEeD5?
EC-219

TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS
em

Torque Converter ClutchSolenoid Valve(Cont'd)
GA16DE forAustralia (AIT models)

EC-LKUP-01

IGNITION SWITCH
ON
01"
START
10A
rn FUSE
BLOCK (JIB)

106)
Refel"
toEL-POWER. _.
Detectable line
fol" DTC
-: Non-detectable
line fol"DTC

U
Q
j
6
11
y

I

y

$=
y

I

y

r=!::,
TORQUE
~3 CONVERTER
CLUTCH
SOLENOID
~~E
P/B

I

P/B

r=!::,
CE201)

1C4J1~
P/B

L
~CM8)
@@

PIS ~ PIS--PIS ~~ PiS~

P/B

Ii3tiJ

LKUP ECM
(ECCS
CONTROL
MODULE)

em

~~ ~~FmB1~

lIDIDZIID
B
w.g@)
B~ B
Refer
tolast page
(Foldout page).

101 102 103
107 108 109

113
114 115 104
105106
110
111
112
116
117
118

EC-220 HEC085

TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS~
Torque Converter ClutchSolenoid Valve(Cont'd)
SYSTEM DESCRIPTION

Throttle position sensor Throttle
valveopening angle
Engine coolant temperature sensorEnginecoolant temperature ECM
(ECCS
control
module) Torque
converter
clutch solenoid
valve
Vehicle speedsensor Vehicle
speed

The
AfT
lock-up iscontrolled bythe ECM through
the torque converter clutchsolenoid valve.When
the ECM detects anyofthe following conditions,
the ECM switches thetorque converter clutch
solenoid valveOFFtoaccomplish lock-upDpera-
tion. While thevehicle isin conditions otherthan
below, thetorque converter clutchsolenoid valve
is always settoON, releasing thelock-up oper-
ation.
•
•
•
Throttle
position isopen .
Engine coolant temperature is60°C (140°F) or•
more.
Vehicle speedis58 kmfh (36MPH) ormore .

m ~
i3~

II
ECM
HCONNECTORII

30 115

ID
cf6~H

~i3~

II
ECM E
CONNECTOR
II

30 115

iIJ
ID
cf6~H

@> :
AIT
models forAustralia

@:
AlTmodels exceptforEurope
and Israel, andAustralia
SEF189RDIAGNOSTIC
PROCEDURE

INSPECTION START
CHECK CONTROL FUNCTION.
1. Jack updrive wheels.
2. Start engine andwarm itup suffi-
ciently.
3. Shift selector leverto"D" position.
4. Check voltage between ECMterminal

GID
or
@
and ground underthe
following conditions.

Voltage: Accelerator pedalisdepressed
[Vehicle speedisabove

58 km/h (36MPH).]

Battery voltage
Accelerator pedalisfully
released ApprOXimately OV
OK

CHECK COMPONENT
(Torque converter clutch
solenoid valve).
Refer to"Electrical Com-
ponents Inspection" in
AT section.
If NG, replace torque
converter clutchsolenoid
valve.

OK

INSPECTION END

MEC279BA NG
EC-221