1995 NISSAN ALMERA N15 display

TROUBLEDIAGNOSES
CONSULT
CONSULT APPLICATION TOASS

ITEM SELF-DIAGNOSTIC
DATAMONITOR ACTIVETEST
RESULTS
Front rightwheel sensor

XX

-

Front leftwheel sensor

XX

-

Rear rightwheel sensor

XX

-

Rear leftwheel sensor

XX
-

Stop lamp switch

-
X

-

Front rightinletsolenoid valve

XXX

Front rightoutlet solenoid valve

X
XX

Front leftinlet solenoid valve

XXX

Front leftoutlet solenoid valve
XX
X

Rear rightinletsolenoid valve

XX
X

Rear leftinlet solenoid valve
XXX

Rear rightoutlet solenoid valve
X
XX

Rear leftoutlet solenoid valve

X
X
.X

Actuator solenoid valverelay

XX
-

Actuator motorrelay
(ABS MOTOR isshown onthe Data Monitor
X
XX

screen.)
ABS warning lamp
-

X

-

Battery voltage
XX
-

X: Applicable
-; Not applicable

ECU partnumber mode

Ignore theECU partnumber displayed inthe ECU PART NUMBER MODE.Refertoparts catalog toorder
the ECU.

BR-58

NATS(Nissan Anti-Theft System)
Trouble Diagnoses
WORK FLOW

I
CHECK
IN

Listen tocustomer complaints orrequest. (Getsymptoms) 'MIL:
Malfunction IndicatorLamp
KEY SERVICE REQUEST (Additional keyIDregistration)
TROUBLE

I
Verify theblinking ofMIL'.
(RefertoCONSULT operation
manual NATSV2.0.)
Using theCONSULT programcardforNATS check the
"SELF-DiAG RESULTS"withCONSULT.
Self-diagnostic resultsreferring toNATS, butnoinformation
about engine self-diagnostic resultsisdisplayed onCON-
SULT.

I
Turn ignition switch"OFF".

t

Repair NATS.
(If necessary, carryout"SELF-FUNCTION CHECK"or
"C/U

INITIALISATION" withCONSULT.) Self-diagnostic
resultsreferring toNATS and"DON'T
ERASE BEFORE CHECKING ENGDIAG" aredisplayed on
CONSULT.
(This means thatengine trouble datahasbeen detected in
ECM.)
Turn ignition switch"OFF".

I
Turn ignition switch"ON".

I
Repair
NATS.
(If necessary, carryout"SELF-FUNCTION CHECK"or
"C/U

INITIALISATION" withCONSULT.)
Erase theNATS "SELF-DIAG RESULTS"byusing CON-
SUL T.(Touch "ERASE")

I
Start theengine.
NG Verify noblinking ofMIL'.

OK

I
CHECK OUT

-

Perform runningtestwith CONSULT inengine SELF-DiAG
RESULTS" mode.
NG Verify "NOFAILURE" displayedonthe CONSULT screen.

OK

I
CHECK OUT
Don't
erase theNATS "SELF.DlAG RESULTS"byusing
CONSULT.

I
Start theengine.
Verify noblinking ofMIL'.

OK

I
Turn ignition switch"OFF".

~

Check theengine "SELF-DiAG RESULTS"withCONSULT by
using theCONSULT genericprogram card.
(Engine diagnostic softwareincluded)
Repair ECCS.(RefertoEC section.)

I
Turn ignition switch"ON".
Erase theengine "SELF-DIAG RESULTS"byusing CON-
SUL T.(Touch "ERASE".)

I
Start theengine.
NG

•

EL-251

NATS(Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
HOW TOREAD SELF-DIAGNOSTIC RESULTS

Resultdisplay screen(Whenmalfunction isdetected)

When touched, the
--l;
ERASE "PRINT
sell-diagnostic results
stored inthe engine
control module (ECM)
are erased. Page
mark

Time data'
This indicates howmany
times thevehicle was
driven afterthelast
detection ofamalfunction
If the malfunction isbeing
detected currently. the
time datawillbe"0".
;J-
When touched, the
self-diagnostic results
are printed out.
DIFFERENCE
OFKEY
•
SELF-DIAG RESULTS.
FAILURE DETECTED
IMMU

Detected
items

FURTHER TESTING
MAY BEREQUIRED.
**

ERASE "PRINT

Result
display screen(Whennomalfunction isdetected)

• SELF-DIAG RESULTS. D
FAILURE DETECTED TIME
*NO SELF DIAGNOSTIC
FAILURE INDICATED.
SEL332UD
*
Iftrip number ismore than1,MIL does notblink .

•

EL-253

NATS(Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
SYMPTOM MATRIXCHART1
(Self-diagnosis relateditem)

X:Possibility item.'MIL: Malfunction IndicatorLamp
SYMPTOM
SYSTEM REFERENCEPART
Displayed"SELF-
DIAGNOSTIC PROCE-
(Malfunctioning NO.OFILLUSTRA-
•Blinking ofMIL'. •
Blinking ofMIL'.
DIAGRESULTS" on
DURE
part ormode) TIONONNEXT PAGE
•Engine willstart. •
Hard tostart
CONSULTscreen.
(Referencepage)
engine.
IMMU A
X IMMUPROCEDURE
1
(EL-257)
ECM BX
ECMPROCEDURE
2
(EL-257)
Open circuit inbat-
tery voltage lineof C1
X
IMMU circuit
Open circuit inigni-
.

tion lineofIMMU cir- C2
X
cuit
Open circuit in
ground lineofIMMU
C3 X
circuit
Open circuit incom-
munication line
C4
X

between IMMUand
ECM CHAINOFECM-
PROCEDURE3
Short circuit between IMMU
(EL-258)
IMMU andECM com-
C4
X

munication lineand
battery voltage line
Short circuit between
IMMU andECM com-
C4 X
munication lineand
ground line
Open circuit inpower
source lineofANTI E3

X

AMP circuit
ECM B X
IMMU A
X

Unregistered key 0 X
PROCEDURE4
DIFFERENCE OFKEY
IMMU A

X
(EL-260)
Communication line
between ANT
I
AMP
E1
X

and IMMU:
Open circuit orshort
circuit ofbattery volt-
age lineorshort cir- E2

X

cuit ofground line
Open circuit inpower
source lineofANTI E3
X
PROCEDURE5
AMP circuit CHAIN
OFIMMU-KEY
(EL-261)
Open circuit in
ground lineofANTI E4

X

AMP circuit
Malfunction ofkey 10
E5 X
chip
IMMU A
X

Antenna amp. E6
X

EL-255
•

NATS(Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)

SYMPTOM
SYSTEM REFERENCEPART Displayed"SELF- DIAGNOSTIC
PROCE-
(Malfunctioning NO.OFILLUSTRA-
•Blinking ofMIL*. •
Blinking ofMIL *.
DIAGRESULTS" on DURE
part ormode)
TIONONNEXT PAGE
•Engine willstart. •
Hard tostart
CONSULTscreen. (Reference
page)
engine.
System initialisation
has notyetbeen
F X

10
DISCORD, IMM- PROCEDURE 6
completed. ECM(EL-263)
ECM F X
Noise interference in
XMINGLE
NOISE PROCEDURE
7
communication line (EL-264)
Engine trouble data
DON'TERASE
and NATS trouble
BEFORECHECKING WORK
FLOW
data have been X
X
(EL-251)
detected inECM ENG
DIAG

SYMPTOM MATRIXCHART2
(Non self-diagnosis relateditem)

X:Possibility item
SYSTEM SYMPTOM
DIAGNOSTIC
PROCE-
(Malfunctioning partormode) DURE
NATS security indodoes notlight up.
(Referencepage)
NATS security indo
Open circuit between FuseandNATS IMMU
PROCEDURE8
X (EL-264)
Continuation ofinitialisation mode
NATS IMMU

DIAGNOSTIC SYSTEMDIAGRAM

NATS antenna amp.
PART
0 Key10chip (PART E5)

i-------
L---
--j)))

:
.

, ,

I~ .'

(((

NATS ignition

key
PART
E1,E2,E3, E4 IGN
PART C2~ +1./PART C1(MIL)
PART C4
ECM

..
........

................
:'

.......

PART F

D
IGN

EL-256
CONSULT

SEL466U

Yes

Confirm
SELF-DIAGNOSTIC RESULTS"IMMU"displayed on
CONSULT screen.
Ref. part No: A.
Replace IMMU.

NATS
(Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
DIAGNOSTIC PROCEDURE 1
Self-diagnostic results:
"IMMU" displayed onCONSULT screen

m

•SELF-DIAG RESULTS.
0

FAILURE DETECTED TIME
IMMU
0

I
ERASE

II
PRINT

I

SEL330U

Performinitialisation withCONSULT.
For theoperation ofinitialisation, referto"CONSULT operation
manual NATSV2.0".
*
Ref. partNo.:reference partNo.ofDiagnostic SystemDiagram onEL-255

m
•SELF-DIAG RESULTS.
0

FAILURE DETECTED TIME
ECM
0

I
ERASE

II
PRINT

I

SEL331U DIAGNOSTIC
PROCEDURE 2
Self-diagnostic results:
"ECM" displayed onCONSULT screen

Confirm SELF-DIAGNOSTIC RESULTS"ECM"displayed on
CONSULT screen.
Ref. part No.B.
Replace ECM.
Perform initialisation withCONSULT.
For theoperation ofinitialisation, referto"CONSULT operation
manual NATSV2.0".

•

EL-257

•SELF-DIAG RESULTS.
0

FAILURE DETECTED
CHAIN OFECM-IMMU TIME

o
NATS
(Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)

DIAGNOSTIC PROCEDURE3

Self-diagnostic results:
"CHAIN OFECM-IMMU" displayedonCONSULT screen

m

ERASE
II
PRINT
I

SEL333U

IMMU
connector@

EEFf
I
fEill

SEL475U

IMMU
connector@

EEFf,11lE

SEL476U

IMMU
connector@

m

'--Ulsl
SEL477U

Ii
~i5 ~i5

II
ECM

El'CONNECTORII WilfEB

~~ IMMU

connector

Y/G
BRIY
[fiJ
@

~ fQj
SEL478U
00

Confirm
SELF-DIAGNOSTIC
RESULTS "CHAINOFECM-
IMMU" displayed onCONSULT
screen.
OK
Ii)
Check voltage between terminal
G)
of NG
Check thefollowing:
IMMU andground withCONSULTor
1----+

•7.5A fuse
tester. •
Harness continuity
Voltage: Batteryvoltage between
fuseand
OK IMMU
connector
@

If
NG, repair harness or
connector. Ref. part No.C1

~
Check voltage between terminal
@
of NG
Check thefollowing:
IMMU andground withCONSULTor
1----+

•7.5A fuse
tester. •Harness continuity
Voltage: Batteryvoltage betweenfuseand
OK IMMU
connector
@,

or between ignition
switch andfuse.
If NG, repair harness or
connectors. Ref. part No.C2

I!]
Check harness continuity between NG
Repair harness orcheck
IMMU terminal
CID
or
@
and ground.
r----.-

thebody ground screws
Continuity shouldexist. @,@and@!).
OK Ref.
part No.C3

Ii
Check harness continuity betweentheNG
Check thefollowing.
following ECMterminals andIMMU ter-
1----+

•Harness connectors
minals.
.

@,QD

ECM
@
and IMMU
@
•
Harness continuity
ECM
@
and IMMU
@
between
ECMand
Continuity shouldexist. IMMU.
OK If
NG, repair harness or
connectors.
Ref. part No.C4

EL-258

NATS(Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
• SELF-FUNCTION CHECK•
ECM's IMMU
COMMUNICATION INTERFACE

II
***
***
11[!1
******

___ P_R_IN_T
I

SEL342U
• SELF-FUNCTION CHECK•
ECM's IMMU
COMMUNICATION INTERFACE

******
OK
******

___ P_RI_N_T '

SEL343U IMMU
ismalfunctioning.
Replace IMMU.
Ref. part No.A

00
Perform
initialisation withCON-
SULT.
For theoperation of
initialisation, referto"CONSULT
operation manualNATSV2.0".

m
•SELF-DIAG RESULTS.
0

FAILURE DETECTED TIME
DIFFERENCE OFKEY
0

I
ERASE

"
PRINT

I

SEL344U

ERASE
II
PRINT
I

SEL372U

•

C/U
INITIALISATION
INITIALISATION
STOPPED orFAILED
TURN IGNKEY SW"OFF"
AND "ON" AFTER CON-
FIRMING SELF-DIAG
RESULTS, PERFORM C/U
INITIALISATION AGAIN.
•
DIAGNOSTIC
PROCEDURE 4
Self-diagnostic results:
"DIFFERENCE OFKEY" displayed onCONSULT screen

m

00
Confirm
SELF-DIAGNOSTIC
RESULTS "DIFFERENCE OF
KEY" displayed onCONSULT
screen.

t
K
Initialisation

I!J

incompleted •

00
Perform
initialisation withCON- or
failed
IMMUismal-
SULT . with
CON-
functioning.
Re-register allNATS ignition keySULT
ReplaceIMMU.
IDs. Ref.
part No.A
For theoperation ofinitialisation,
refer to"CONSULT operation
manual NATSV2.0".
l,nitialisation completed
Start engine.

~

END
00
Perform
initial isa-
(Ignition keyIDwas unregistered.) tion
with CON-
Ref. part No.0 SULT.
For theoperation
of initialisation,
refer to"CON-
SUL Toperation
manual NATS
V2.0"
EL-260