NISSAN ALMERA N15 1995 Service Manual

SBR243D
SBR244D

•

1

Replace 7.5Afuse.
~Inspection end
Does thefuse blowout whenignition
switch isturned "ON"?
Yes

[!1 CONTROL UNITPOWER SUPPLY
NG
Repair harness andcon-

---...

CIRCUIT
nector.
1. Disconnect controlunitconnector.
2. Check continuity betweencontrolunit
connector terminal
(D
and body
ground.

Continuity shouldnotexist.

OK

III
Check continuity betweencontrolunit NG
Repair harness andcon-

--+

connector terminal
@
and body nector.
ground.

Continuity shouldnotexist.

OK
Check control unitpinterminals for
damage orthe connection ofcontrol
unit harness connector.
Reconnect controlunitharness connec-
tor. Then retest.

TROUBLE
DIAGNOSES
Diagnostic Procedure2(Not Self-diagnostic
item) (Cont'd)

p~

15

p~
15

c(

C/UNIT CONNECTOR

1

c(
C/UNIT CONNECTOR
2
BR-71

TROUBLEDIAGNOSES

c(
C/UNIT CONNECTOR

5 .6 25. 26

,33 .34 5354,

(;) ASSactuator
a-pin connector
(ASS actuator side)
P

ASS relay box
2-pin connector
(ASS actuator side)

rO-...@

U!l.LJ
SBR245D

~i8

ASS relay box
2-pin connector
(ASS actuator side)

rO-...@

U!l.LJ
SBR246D Diagnostic
Procedure3
ABS ACTUATOR SOLENOIDVALVE
(Malfunction codeNo.41,45,51, 55,42, 46,52,56)
1. Disconnect connectorsfromcontrol
~Inspection end
unit, ASS actuator andASS relay
box. Check terminals fordamage or
loose connections. Thenreconnect
connectors.
2. Carry outself-diagnosis again.
Does warning lampactivate again?
Yes

m
ABS ACTUATOR SOLENOIDVALVE OK
CHECK
f---+@

(Gotonext page.)
1. Disconnect connectors fromcontrol
unit and ABS relay box.
2. Check resistance betweencontrol
unit connector terminalsandASS
relay box2-pin connector
@
(ABS
actuator side)terminal.
Code No. Control
ASSrelay Resis-
unit boxtance
41
@

@
45
@
@
4.4-6.0n
51
@
@
55
@

@
42
@
@
46
CID
@

85-

52 @ @110n
56
@
@

(;)
NG
1. Disconnect ASSactuator 8-pincon- OK
Repair harness andcon-
nector. ~
nectorbetween control
2. Check
resistance betweenABSactu- unitconnector terminal
ator 8-pin connector (ABSactuator and
ASS actuator 8-pin
side) terminals andASS relay box connector
terminal.
2-pin connector
@)
(ABS actuator
side) terminal.
.

Code No. ASS
ASS
relay Resis-
actuator box
tance
41
@
@
45
@
@)

4.4-6.0n
51
@
@

I

55
@
@
42
@)
@
46
CD
@

85-

52 (J)
@11.0n
56
CID
@
NG
Replace ABSactuator.
BR-72

TROUBLEDIAGNOSES
Diagnostic Procedure3(Conl'd)

@

ASS relay box
connectors
(ASS relayboxside)

EffB~

SBR058D1.
Disconnect ASSrelay boxconnec-
tors.
2. Check continuity betweenASSrelay
box 2-pin connector
@D
(ASS relay
box side) terminal @and 6-pin con-
nector
(ASS relayboxside) ter-
minal
@.

Continuity shouldexist. OK
GotoDiagnostic Proce-
dure?, SR-81.
NG

I-
ASS relay box
~~D~ ASS
relay box
2-pin connector
(ASS relayboxside)
Uw@
SBR059D 1.
Remove solenoid valverelay.
2. Check continuity betweenASSrelay
box 2-pin connector
@D
(ASS relay
side) terminal
@
and ASS relay box
terminal
@.

Continuity shouldexist.
OK
Go toDiagnostic Procedure6,BR-79.
BR-73
NG

Replace ASSrelay box.

•

TROUBLEDIAGNOSES

~i5

E(
C/UNITCONNECTOR
P

,14.9.11 .12, ,15.10.38.13,

SBR247DDiagnostic
Procedure4
WHEEL SENSOR ORROTOR
(Malfunction codeNo.21,22,25,26,31, 32,35, 36or18)

1. Disconnect connectors fromcontrol
~Inspection end

I

unit and wheel sensor ofmalfunction
code No.Check terminals fordam-
age orloose connections. Then
reconnect connectors.
2. Carry outself-diagnosis again.

Does warning lampactivate again?

Yes

m
WHEEL SENSOR ELECTRICAL CHECK
OK

~@
(Seenextpage.)
1. Disconnect controlunitconnector.
2. Check resistance betweencontrol
unit connector terminals.
Code No.21or22 (Front RHwheel)
Terminals
@
and @
Code No.25or26 (Front LHwheel)
Terminals
@
and
@

Code No.31or32 (Rear RHwheel)
Terminals
@
and
@

Code No.35or36 (Rear LHwheel)
Terminals
@
and
@

Resistance: 0.8•1.2 kD

NG
Note Note

CHECK WHEELSENSOR.

~Replace wheelsensor.

I

Refer toWHEEL SENSOR inElectrical
Components Inspection,SR-85.
OK
Note
Note:
Wheel position should

Repair harness andconnectors
be
distinguished by

between controlunitconn'ector and
code
No.
exceplcode

wheel sensor connector.
No.
18(sensor rotor).
BR-74

Note
Note Clean sensor fixing
portion, orreplace sen-
sor.

NG
OK
OK

Check clearance betweensensorand
rotor.

Clearance: Front0.1 -1.1
mm

(0.004 .0.043 in)
Rear 0.1 -1.1 mm
(0.004 -0.043 in)
WHEEL
SENSOR MECHANICAL CHECK
NGAdjust tirepressure or
replace tire(s).
Check forinflation pressure, wearand
size ofeach tire.
Note
Note Check wheelbearing axialendplay.

m
"Note

TROUBLE
DIAGNOSES
Diagnostic Procedure4(Conl'd)

@

SBR069C

\
\ Rotor

\\ Sensor
)6
Feeler gauge

)I

OK

Note Check sensor rotorforteeth damage.
NG
Note
Replace sensorrotor.

OK

Check control unitpinterminals for
damage orthe connection ofcontrol
unit harness connector.
Reconnect controlunitharness connec-
tor. Then retest.
Note:
Wheel position should •••
be distinguished by
code
No.except code

No. 18(sensor rotor).
BR-75

m
ASS relay box2-pin
[it
DISCONNECT

connector
@
IJIJ
~c:\

(body side)
";V

rn
TROUBLE
DIAGNOSES
Diagnostic Procedure5
MOTOR RELAYORMOTOR
(Malfunction codeNo.61)
MOTOR POWERSUPPLY CIRCUIT

Check fusible link
@]
for ABS relay box.
For fusible linklayout, refertoPOWER
SUPPLY ROUTING inEL section.
NG
@
(Skip page.)

~iv

c(
C/UNIT CONNECTOR
P

7 19. 2

,
SBR953CC
~iV
ASS relay box
6-pin connectors

(body side)
@29

~
SBR248D OK

1. Disconnect connectors fromcontrol
unit and ABS actuator. Checktermi-
nals fordamage orloose connection.
Then reconnect connectors.
2. Carry outself-diagnosis again.

Does warning lampactivate again?

Yes
1. Disconnect ABSrelay box2-pin con-
nector@.
2. Check voltage between connector
(body side)terminal
@
and ground.

Battery voltage shouldexist.
CIRCUIT CHECK

1. Disconnect ABSrelay box6-pin con-
nector andcontrol unitconnector.
2. Check continuity betweencontrolunit
connector terminalsandABS relay
box 6-pin connector ~(body side)
terminals.
No
NG
NG
Inspection
end
Repair harness and
COI

nectors.
Repair harness andcor
nectors.
Control unit

Continuity shouldexist.
ASS
relay box
@
@

cID

OK
MOTOR RELAYCHECK

Refer toMOTOR RELAYinElectrical
Components Inspection,BR-8S.

OK
ACTUATOR MOTORGROUND CHECK

Refer toACTUATOR MOTORGROUND
in Ground CircuitCheck, BR-66.

OK

@

(Go tonext page.)

BR-76 NG
NG
Replace
motorrelay.
Repair harness andter-
minals.

TROUBLEDIAGNOSES
Diagnostic Procedure5(Cont'd)
@
[:tI
°15
T

ASS relay boxconnectors
~(ASS relayboxside)
2~~

9 11~~

~ MOTOR
RELAYCIRCUIT
1. Remove motorrelay.
2. Check continuity betweenASSrelay
box connectors (ASSrelayboxside)
and ASS relay boxterminals. NG
Replace ASSrelay box.
OK
Continuity
shouldexist.
ASS
'relay bOf

[ill

[ill
EJ

WJ
~
86

85

87
ASS
relay box
connector

@
@
@

Connector@
@

Connector@
@
ASS
relay box
terminal

@
@
@
@

SBR061D Ii]
Check continuity betweenASSrelay
box 2-pin connector
@
(ASS actuator
side) terminal @and actuator motor
positive terminal.
Continuity shouldexist.

•

Repair
harness andcon-
nectors.
Replace ASSactuator.
NG
NG
OK
1.
Disconnect actuatormotorterminals.
2. Apply battery voltage tomotor termi-
nals.
Motor should operate.
Do not connect wireformore than5
seconds.
Go toDiagnostic Procedure7,SR-81.

131

MOTOR CHECK
ASS
relay box2-pin
connector
@iY

(ASS actuator side)

do

SBR249DBR-77

TROUBLEDIAGNOSES
Diagnostic Procedure5(Conl'd)

CID

Ii
ASS relay box2-pin ~
DISCONNECT

connector
@
=
1c0,

(body side)
V

cD
SBR957CC

@)
ASS relay box6-pin
connector (body side)
SBR958CB

III
@
@El ~
DISCONNECT

rrt\
ASSrelay box
~c;"1

\J.tV
connectors
-';;V

0U
9
(ASSrelayboxside) Replace
fusiblelink.
Does thefusible linkblowout when
ignition switchisturned
"ON"?

Ii
MOTOR POWERSUPPLVCIRCUIT
1. Disconnect batterycableandASS
relay box2-pin connector
@.

2. Check continuity betweenASSrelay
box 2-pin connector
@
(body side)
terminal @and ground.
Continuity shouldnotexist.
1. Disconnect ASSrelay box6-pin con-
nector andcontrol unitconnector.
2. Check continUity betweenASSrelay
box 6-pin connector @E)(body side)
terminal
@
and ground.
Continuity shouldnotexist.
OK
Check continuity betweenASSrelay
box 6-pin connector (ABSrelaybox
side) terminal @and ground, 2-pin
connector
@
(ASS relay boxside)
terminal @and ground.
Continuity shouldnotexist. No
NG

NG
NG
Inspection
end
Repair harness andcon-
nector.
Repair harness andcon-
nector.
Replace ASSrelay box.
J

o
ASSrelay box2-pin
connector (ASS actuator side)

~@

L1J.1J
SBR065DB
Remove motor
ground. OK

o
1. Remove motorground.
2. Check continuity betweenASSrelay
box 2-pin connector
@)
(ASS actua-
tor side) terminal
@)
and ground.
Continuity shouldnotexist. NG
Replace ASSactuator.
OK
MOTOR CHECK
SBR250D Goto
n!II
inDiagnostic Procedure5
(preceding page).
OK
Check control unitpinterminals for
damage orthe connection ofcontrol
unit harness connector.
Reconnect controlunitharness connec-
tor. Then retest.
BR-78

Fa
ASS relay box2-pin
DISCONNECT

connector
@~~~

(body side)
I..lI&I
~V

ctD
TROUBLE
DIAGNOSES
Diagnostic Procedure6
SOLENOID VALVERELAY
(Malfunction codeNo.63)
SOLENOID VALVEPOWER SUPPLY
CHECK

Check fusible link
@].
Forfusible link
layout, refertoPOWER SUPPLY ROUT-
ING inEL section.
NG

@
(See nextpage.)

~Io

( C/UNIT CONNECTOR
P

2 .30 .37

.
SBR961CC

ASS relay box
6-pin connector
(body side)
@W

Efe
OK

1. Disconnect connectors fromcontrol
unit andASS actuator. Checktermi-
nals fordamage orloose connection.
.Then reconnect connectors.
2. Carry outself-diagnosis again.

Does warning lampactivate again?

Yes
No

Inspection end

GROUND CIRCUITCHECK

Refer toCONTROL UNITGROUND and

SBR251D
ACTUATOR GROUNDinGround Circuit
Check, SR-66.

OK
SOLENOID VALVEPOWER SUPPLY
CHECK

1. Disconnect connectors fromASS
relay box.
2. Check voltage between ASSrelay box
2-pin connector
@
(body side)ter-
minal
@
and ground.

Battery voltage shouldexist.
CIRCUIT CHECK

1. Disconnect controlunitconnector.
2. Check continuity betweencontrolunit
connector terminalsandASS relay
box connector
@ill
(body side)termi-
nals. Repair
harness andcon-
nectors.
Repair harness andcon-
nector.
Repair harness andcon-
nectors.
•

Control unit

3T
ABS
relay box

Xi

@ @

Continuity shouldexist.
OK
SOLENOID VALVERELAY CHECK

Refer toSOLENOID VALVERELAY in
Electrical Components Inspection,

SR-85.
OK

@

(Go tonext page.)

BR-79
Replace
solenoid valve
relay.

~i5
TROUBLE
DIAGNOSES
Diagnostic Procedure6
(Co nt'd)

(!)

1

~ ASSrelaybox

LI!ID
c:!D~
connectors

,2.4.~.8.18,
(ASSrelayboxside)
SOLENOID
VALVERELAY CIRCUIT
CHECK
NG

•Replace ASSrelay box.
Check continuity betweenASSrelay ter-
minals andASS relay boxconnector
(ASS relayboxside) terminals.
~SS relaybox

~
:~
}

[]QJ ~~
85

00
87a
30
ABS
relay boxterminal

87a
85

@

Continuity shouldexist.
OK

I
Go todiagnostic procedure3,SR-72.

SBR068D
I;]
~i5
Replace
fusiblelink. No
Inspection end

Does thefusible linkblowout when

GD
ASSrelay box2-pin connector
@
Ignition switchisturned
"ON"?

(body side)
Yes

I;]

[Q]
RELAYUNIT POWER SUPPLY CIRCUIT
NG
Repair harness andcon-
nector.
1. Disconnect ASSrelay box2-pin con-

-=-
nector@.

SBR964CC
2.
Check continuity betweenASSrelay
box 2-pin connector @(body side)

~i5
terminal

@
and ground.

Continuity shouldnotexist.

c1!D
ASS
relay box
OK

2-pin connector

Ii

(ASS relayboxside)

@ED
1.Disconnect ASSrelay boxconnectors NG
Replace ASSrelay box.
and control unitconnector.
2. Check continuity betwee"llASSrelay
box 2-pin connector
@
(ASS relay
box side) terminal
@
and ground.

-=-
Continuity
shouldnotexist.
SBR069D OK

Ii
~io
Ii

Check continuity betweenASSrelay NG
Replace ASSactuator.

@[)
ABS
relay box
box2-pin connector
@
(ASS actuator
2-pin connector
side)terminal
@
and ground.
(ABS actuator side)

Continuityshouldnotexist.

@

OK

Go toDiagnostic Procedure3,SR-72.

':"
SBR252D
BR-80