Page 803 of 1701

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
Page 805 of 1701

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
Page 806 of 1701
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
•
Page 931 of 1701
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
Page 932 of 1701
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~
<$>
I
R R
rn~ rn~
~ em
I!4=lJ
@
R R
~ I
O~
I
R
IT3n
LOAD
F1Tffi~
rn:rn:rn
W
~---------------------~
~@
~w
Refer
tolast page
(Foldout page').
~ (E106)
,
L ~
HEC056
EC-213
Page 933 of 1701
TROUBLEDIAGNOSIS FORNON-DETECTABLE ITEMS
Electrical LoadSignal (Cont'd)
GA 16DE forAustralia
EC-LOAD-01
I
B
1
@
B
B
L~
-!-
(M60)
Detectable
line
for DTC
Non-detectable line forDTC
B B
L~
-!-
~
-:
-:
LG/B
~6
FAN
ON SWITCH
OFF--
@
I4J
B
ECM (ECCS
CONTROL
MODULE)
em
LG/B
r::::b@
IlJlll
CEID
LGIB
I
t
LG/B
1351
H/FAN
LIR
I$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
Page 934 of 1701
![NISSAN ALMERA N15 1995 Service Manual 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",
--- NISSAN ALMERA N15 1995 Service Manual 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",
---](/manual-img/5/57349/w960_57349-933.png)
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
Page 990 of 1701

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