Page 28 of 1701
TROUBLEDIAGNOSES
Wiring Diagram -AT -
AT-A/T-01
page
Israel
Y ~Next page
A!T CONTROL
VAL VE
(E223) :
@
TORQUE
CONVERTER
CLUTCH
SOLENOID
VALVE
LHD
models
RHO models
For Europe and
Except@
GA engine
SR engine
(b):
:
@:
@:
@:
@:
Refer
toEL-POWER.
FUSE
BLOCK (J!B)
([@
(El06)
I
y ~.~ y
l---t~'~
Y ~(E202)
III
C~INATION
METER
(00OFF
INDICATOR) Y
~ t~)
11
2•6
1
@
300 CANCEL ~~
SOLENOID OR!BP!B
OR!B VALVE
I .-
I!::iJl
(E224) :
@
4~~
O~
OR!B
~1-
DRIB
I
OR!B
T
A
I
(BID
(Elan •
~o~
SR
.- .-1
P!B@l) P!B~
O~
OR!B~ DRIB
-ea-O~
OR!B~ OR!B
~O
/I;
II
E20l
II
i
II
E203
ORI!B
CBID
(El0n
L
@
(E20n
I
P!B~ P!B~
rm
SR
OR!B
-cz::n.
OR!B~
<0> ~
OVERDRIVE (E?6)
(E203)
0--1
CONTROL
L
OFF SWITCH
~ PIB-@>Next
ON
~
B
L
JOINT
CONNECTOR-1
~
B
~==~
B
r---------------------------------,
~(E224)
~GY
L ~
Refer
tolast page
(Foldout page).
CHID
(EtOn
,
([@
(El06)
,
~~
~W
~@D
~ B
~
(E202),~ ~
@J)
rn:rn:rz::rnJ
BGY
W@
B
ITIII:illIillIi ~
~ BR
HAT001
AT-28
Page 315 of 1701
ANTI-LOCKBRAKESYSTEM
Wiring Diagram -ABS -
BR-ABS-01
•
ABS
CONTROL
UNIT
(B111)
LHDmodels
@:
RHOmodels
Refer
to
EL-POWER.
FUSE
BLOCK
(JIB)
~
GY
ffi
IGN
SW
Y
I~I COMBINATION
METER
(ABS WARNING
LAMP)
~@
LIB
@
I
GY
LIB
$-------$
GY (~) LIB
I-
e-
LIB~ ToBR-ABS-O?
I
LIB
13-0
I
FAIL
LAMP
IGNITION
SWITCH
ON orSTART
STOP
DEPRESED LAMP
SWITCH
RELEASED ~
~
P!L
•
~:I
P!L
rn~
I
JUNCTION
BOX
NO.2
(JOINT
CONNECTORS)
1!:i=!J~
PIL
~~
•
PIL
lelIl
9F'~
P!L
14-81
STOP
LAMP
SW
Fa~
l..1..@
B ~~(B115)
5 6
TI1910
1112 W
Refer
tolast page
(Foldout page).
~---------------------------------,
L ~
HBR002
BR-45
Page 316 of 1701
ANTI-LOCKBRAKESYSTEM
Wiring Diagram -ABS -(Coni' d)
BR-ABS-02
ABS
CONTROL
UNIT
(!ID1)
OrAG
L TXD RXD
~ 1~61~
ORIB ~ GY!L GIB
I$~ ~
~ciJ~ ---
~~I
ORIB
GY/L GIB
It It
GY!L
GIB
cr
l I~
i~MO~o~?ic~g~)
~:
JOINT CONNECTOR-5
~ 1*.21~:
GY/L GIB
I I
GY/L
GIB
m
r1l
ORIB
rtl
FUSE
Referto
7 .5A BLOCK EL-POWER.
rn
(JIB)
~
IGNITION
SWITCH
ON orSTART
I
DATALINK
CONNECTOR
FOR CONSULT
(M13)
-----------------------
<0:
LHDmodels
RHOmode Is
@:
GAengine andSRengine
@:
CD20engine
~f1
<0
10
6
*2
<0
9
'
3
,
~~(~)
56j819101112 W
~(~24)
~OR
Refer
tolast page
(Foldout page).
HBR003
BR-46
Page 325 of 1701

TROUBLEDIAGNOSES
Self-diagnosis (ForEurope) (Cont'd)
MALFUNCTION CODE/SYMPTOM CHART
Code No.
Malfunctioningpart Diagnostic
procedure
(No. ofwarning lampflashes)
45
Actuator
frontleftoutlet solenoid valve
3
46
Actuator
frontleftinlet solenoid valve
3
41
Actuator
frontrightoutlet solenoid valve
3
42
Actuator
frontrightinletsolenoid valve
3
51
Actuator
rearright outlet solenoid valve
3
52
Actuatorrearright inletsolenoid valve
3
55
Actuator
rearleftoutlet solenoid valve
3
56
Actuator
rearleftinlet solenoid valve
3
25
Frontleftsensor (open-circuit)
4
26
Front
leftsensor (short-circuit)
4
21
Frontrightsensor (open-circuit)
4
22
Front
rightsensor (short-circuit)
4
35
Rearleftsensor (open-circuit)
4
36
Rear
leftsensor (short-circuit)
4
31
Rearrightsensor (open-circuit)
4
32
Rearrightsensor (short-circuit)
4
18
Sensorrotor
4
61
Actuatormotorormotor relay
5
63
Solenoidvalverelay
6
57
Powersupply (Lowvoltage)
7
71
Controlunit
8
Control unitpower supply circuit
Warning lampstays onwhen igni-Warning
lampbulbcircuit
tion switch isturned on Control
unitorcontrol unitconnector
2
Solenoid valverelaystuck
Power supply forsolenoid valverelaycoil
Warning lampstays on,during
Controlunit
-
self-diagnosis
Warning lampdoesnotcome onFuse, warning lampbulborwarning lampcircuit
1
when ignition switchisturned onControl unit
Warning lampdoes notcome on
Control unit
during self-diagnosis
-
Pedal vibration andnoise
-
9
Long stopping distance
-
10
Unexpected pedalaction
-
11
ABS does notwork
-
12
ABS works frequently
-
13
BR-55
•
Page 335 of 1701

TROUBLEDIAGNOSES
OK
Max
line
Min line Preliminary
Check
m
Check brakefluidlevel inreservoir tank.
Low fluid level mayindicate brakepad
wear orleakage frombrake line.
SBR418CB
Checkbrakelineforleakage. NG
Repair.
Check brakefluidlevel inreservoir tank.NGFillupbrake fluid.
OK
•
Check
fuse,warning
lamp bulbandwarning
lamp circuit.
Replace.
NG
NG
Replace.
NG
OK
OK OK
t
Check brakebooster foroperation and
air tightness. RefertoBR-15.
Check brakepadsandrotor. Referto
BR-19,29.
Check warning lampactivation.
When ignition switchisturned on,
SBR058C
warninglampturns on.
SBR389C
-~--
iii' -,/"
ASS,:"arnlng lamp
/~
,/~
/ //>Jf,
I
/' " /-..,J
C
~" ,J \)
003
i
,A',.!.,
(')
~---
(-ji=o -[--
~"
-,--
'-,--_ ..
OK
Check warning lampfordeactivation.
When ignition switchisturned on,
warning lampturns on,then deacti.
vates after1second.
OK NG
GotoSelf-diagnosis,
BR-56.
SBR051DA
Drivevehicle at30 km/h (20MPH) forat
least oneminute.
Ensure warning lampremains offwhile
driving.
OK
END
NG
GotoSelf-diagnosis,
BR-56.
BR-65
Page 338 of 1701

TROUBLEDIAGNOSES
Diagnostic Procedure1(Not self-diagnostic item)
Warning lampdoes notcome onwhen ignition switchisturned
on.
c(
C/UNIT CONNECTOR
30
p~
15
SBR238D WARNING
LIGHTCIRCUIT CHECK
Check 10Afuse ~forwarning lamp.
For fuse layout, refertoSR-4S.
OK
Check warning lampbulb.
NG
NG
Replace
fuse.
Replace bulb.
Ii) ASSrelay box6-pin
connector (bodyside)
~ 108
c(
C/UNIT CONNECTOR
P
I...a1
30~
15
l.41
Iv
OK
1. Install 10Afuse andbulb.
2. Disconnect connectors fromcontrol
unit and ASS relay box.
3. Check voltage between controlunit
connector terminal
@
and ground
after turning ignition switch"ON".
Battery voltage shouldexistafter
turning ignition switch
"ON".
OK
NG
Repair harness andcon-
nectors.
OK
Continuity
shouldexist.
•
Check continuity betweenASSrelay
box 6-pin connector (bodyside)and
control unitterminals.
\ ASS relay box
f~~~_
SBR239D
~i5
@ID
ASS relay box6-pin
connector (ASS relayboxside)
108
ASS
relay box
@)
Control
unit
@
Ground
NG
Repair harness andcon-
nectors.
1. Remove solenoid valverelay.
2. Check continuity betweenASSrelay
SBR945CB
box6-pin connector (ASSrelaybox
side) andASS relay boxterminals.
ASS relay box ASS
relay box
connector terminals
@)\B
@e
@
Continuity shouldexist.
Note: Payattention totester polarity",
OK
SOLENOID VALVERELAYCHECK
Refer toSOLENOID VALVERELAY in
Electrical Components Inspection,
BR-8S.
OK
Go toDiagnostic Procedure7,BR-81.
NG
NG
Replace
ABSrelay box.
Replace solenoid valve
relay.
": Specifications mayvary depending onthe type oftester.
Before performing thisinspection, refertothe instrucllon manualofthe
tester.
BR-68
Page 339 of 1701

TROUBLEDIAGNOSES
SBR969CB
ABS
relay box
~
o
DO
!MJ
•
Diagnostic
Procedure2(Not Self-diagnostic
item)
Warning lampstays onwhen ignition switchisturned on.
CONTROL UNITPOWER SUPPLY NG
CIRCUIT ----"""'(Go
to
(!)
onBR-71.)
Check 7.5Afuse
[ll]
forcontrol unit.
For fuse layout, refertoBR-45.
m
OK
1. Disconnect connectorfromcontrol NG
Repair harness andcon-
unit.
----.......
nector.
2. Check voltage between controlunit
connector terminal
(i)
and ground
alter turning ignition switch"ON".
Battery voltage shouldexist.
[;]
~OK
SOLENOID VALVERELAYCOILPOWER NG
Repair harness andcon-
SUPPL YCIRCUIT
----+
nector.
1. Turn ignition switch"OFF". Discon-
nect ABS relay box6-pin connector.
2. Check continuity betweencontrolunit
connector terminalsandABS relay
box 6-pin connector (bodyside)ter-
minals.
Control unit ABS
relay box
@ @
@
CID
Continuity shouldexist.
[!]
~OK
CIRCUIT CHECK
~Replace
ABSrelay box.
1. Disconnect solenoidvalverelay.
2. Check continuity betweenABSrelay
box 6-pin connector (ABSrelay box
side) terminals andsolenoid valve
relay boxterminals.
ABS relay box ASSrelay box
connector terminals
@ @
CID
@
Continuity shouldexist.
OK
SOLENOID VALVERELAYCHECK NG
Replace solenoid valve
~
relay.
Refer toSOLENOID VALVERELAY in
Electrical Components Inspection,
BR-85.
.OK
SBR240D
SBR241D
ASS
relay box
6-pin connector
(body side)
E$B
~i5
~ @)
ABSrelay box6-pin
~ connector
(ABS relayboxside)
(
C/UNIT
CONNECTOR
1
~i5
( C/UNIT CONNECTOR
P
2 .37
'--v--'
@
(Go tonext page.)
BR-69
Page 341 of 1701
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