1998 TOYOTA LAND CRUISER Factory Repair Manual

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Page 897 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEMDI-521
714 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC chart of VSC:
DTC No.
(See Page)Detection ItemTrouble Area
C1

Page 898 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DIC8N-01
Vehicle Brought to Workshop
Customer Problem Analysis
P. DI-503
Check and Clear DTC (Precheck)
P. DI-505Items inside
are titles of pages in this manual,
with the page number in the bottom p

Page 899 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DIC8X-01
F17606
ABS Motor 1
Relay
ABS Motor 2
RelayABS Solenoid
Relay
Master Cylinder Pressure Sensor
Hydraulic Brake Booster
Check
Connector
Front Speed
Sensor Rotor
Front Speed Sensor
Engine Room

Page 900 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual F17604
DIC8S-02
F02201N09214F05476
DLC1
E1
Tc
TcDLC3
CG
- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEMDI-505
698 Author: Date:
2004 LAND CRUISER (RM1071U)
PRE-CHECK

Page 901 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual R01346
Normal Code
0.25 sec.
0.25 sec. 2 sec.
ON
OFF
ON
OFF0.5 sec. 0.5 sec.
Code 11 and 21
4 sec.1.5 sec.
2.5 sec.
Code 11 Code 21
F06425
Hand-held
Tester
DLC3
F05576
DI-506- DIAGNOSTICSABS & VEHICLE

Page 902 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual F06425
Hand-held
Tester
DLC3
- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEMDI-507
700 Author: Date:
2004 LAND CRUISER (RM1071U)
(e) In case of using hand-held teste

F06425
Hand-held
Tester
DLC3
- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEMDI-507
700 Author: Date:
2004 LAND CRUISER (RM1071U)
(e) In case of using hand-held tester:
Clear the DTC.
(1) Hook up the hand-held tester to the DLC3.
(2) Turn the ignition switch ON.
(3) Operate the hand-held tester to erase the codes.
(See the hand-held tester operator's manual.)
2. DATA LIST
HINT:
According to the DATA LIST displayed by the hand-held tester, you can read the value of the switch, sensor,
actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one
of the methods to shorten labor time.
(a) Connect the hand-held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) According to the display on the tester, read the ºDATA LISTº.
ItemMeasurement Item/Range
(Display)Normal Condition*Diagnostic Note
HB MOT RELAYHB Motor relay status/
ON or OFF--
ABS MOT RELAYMotor relay status/ ON or OFF--
SOL RELAYSolenoid relay status/
ON or OFF--
PRESS HIGH
HIGH Hydraulic brake boost pres-
sure/ ON or OFF
--
PRESS LOWLOW Hydraulic brake boost
pressure/ ON or OFF--
VSC/TRC OFF SWVSC OFF switch/ ON or OFF--
IDLE SWMain idle switch/ ON or OFFON: Accelerator pedal released
OFF: Accelerator pedal depressed-
STOP LIGHT SWStop light switch/ ON or OFFON: Brake pedal released
OFF: Brake pedal depressed-
PKB SWPKB sw/ ON or OFFON: Parking brake applied
OFF: Parking brake released-
ABS OPERT FRFront Right wheel operation/
BEFORE or OPERATEBEFORE: No ABS operation (FR)
OPERATE: During ABS operation
(FR)
-
ABS OPERT FLFront Left wheel operation/
BEFORE or OPERATEBEFORE: No ABS operation (FL)
OPERATE: During ABS operation
(FL)
-
ABS OPERT RRRear Right wheel operation/
BEFORE or OPERATEBEFORE: No ABS operation (RR)
OPERATE: During ABS operation
(RR)
-
ABS OPRET RLRear Left wheel operation/
BEFORE or OPERATEBEFORE: No ABS operation (RL)
OPERATE: During ABS operation
(RL)
-
WHEEL SPD FRFront Right wheel speed /
Min.: 0km/h, Max.: 326.4 km/hActual wheel speedSpeed indicated on speedometer

Page 903 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual DI-508- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEM
701 Author: Date:
2004 LAND CRUISER (RM1071U)WHEEL SPD FL
Front Left wheel speed/
Min.: 0km/h, Max.: 326.4 km/h

DI-508- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEM
701 Author: Date:
2004 LAND CRUISER (RM1071U)WHEEL SPD FL
Front Left wheel speed/
Min.: 0km/h, Max.: 326.4 km/hActual wheel speedSpeed indicated on speedometer
WHEEL SPD RRRear Right wheel speed/
Min.: 0km/h, Max.: 326.4 km/hActual wheel speedSpeed indicated on speedometer
WHEEL SPD RLRear Left wheel speed/
Min.: 0km/h, Max.: 326.4 km/hActual wheel speedSpeed indicated on speedometer
DECELERAT SENSG sensor (GL1 filter)/
Min.: -1.869 G, Max.: 1.869Approximately 0 ± 0.13 G at still
conditionReading changes when vehicle is
bounced
DECELERAT SENS2G sensor (GL2 filter)/
Min.: -1.869 G, Max.: 1.869Approximately 0 ± 0.13 G at still
conditionReading changes when vehicle is
bounced
IG VOLTAGEECU IG power voltage/
UNDER or NORMAL or OVER--
SFRRSFRR/ ON or OFF--
SFRHSFRH/ ON or OFF--
SFLRSFLR/ ON or OFF--
SFLHSFLH/ ON or OFF--
SRRR (SRR)SRRR (SRR)/ ON or OFF--
SRRH (SRH)SRRH (SRH)/ ON or OFF--
SRLRSRLR/ ON or OFF--
SRLHSRLH/ ON or OFF--
SRCF (SA1)SRCF (SA1)/ ON or OFF--
SRCR (SA2)SRCR (SA2)/ ON or OFF--
SRMF (SMCF, SA3)SRMF (SMCF, SA3)/ ON or OFF--
SRMR (SMCR, STR)SRMR (SMCR, STR)/ ON or OFF--
THROTTLEThrottle position sensor/
Min.: 0 deg, Max.: 125 deg--
ENGINE SPDEngine Speed/
Min.: 0 rpm, Max.: 6000 rpmActual engine speed-
YAW R AT EYaw rate sensor/
Min.: -128 deg/s, Max.: 128 deg/s--
YAW ZERO VALUEMemorized zero value/
Min.: -128 deg/s, Max.: 128 deg/s--
STEERING ANG
Steering sensor/
Min.: -1682 deg,
Max.: 1877 deg
-1682 to 1877 deg
Turning the steering wheel
changes the value
Left : Becomes grater
Right : Becomes smaller
MAS CYL PRS 1Master cylinder pressure 1/
Min.: 0 V, Max.: 5 VWhen brake pedal is released:
0.3 - 0.9 VReading increases when brake
pedal is depressed
AIR BLD SUPPORTAir bleed support/
NOT SUP or SUPPORTw/ BA: Supported
w/ VSC: Not supported-
TEST MODETest mode operation/
NORMAL or TESTNORMAL: Normal mode
TEST: During test mode-
#CODESNumber of Trouble Code/
Min.: 0, Max.: 255MIn.: 0, Max.: 45-

Page 904 of 3115

TOYOTA LAND CRUISER 1998 Factory Repair Manual - DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEMDI-509
702 Author: Date:
2004 LAND CRUISER (RM1071U)
3. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the hand-he

- DIAGNOSTICSABS & VEHICLE STABILITY CONTROL (VSC) &
BRAKE ASSIST (BA) SYSTEMDI-509
702 Author: Date:
2004 LAND CRUISER (RM1071U)
3. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the hand-held tester allows the relay, VSV, actuator and so on to oper-
ate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the meth-
ods to shorten labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
(a) Connect the hand-held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) According to the display on the tester, perform the ºACTIVE TESTº.
HINT:
IG must be turned ON to proceed the ACTIVE TEST using a hand-held tester.
*
1: For VSC equipped vehicles only
ItemTest DetailsDiagnostic Note
SFRRTurns ABS solenoid (SFRR) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SFRHTurns ABS solenoid (SFRH) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SFLRTurns ABS solenoid (SFLR) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SFLHTurns ABS solenoid (SFLH) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRRRTurns ABS solenoid (SRRR) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRRHTurns ABS solenoid (SRRH) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRLRTurns ABS solenoid (SRLR) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRLHTurns ABS solenoid (SRLH) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRCF (SA1)Turns ABS solenoid (SRCF (SA1)) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRCR (SA2)Turns ABS solenoid (SRCR (SA2)) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRMF (SMCF, SA3)Turns ABS solenoid (SMCF, SA3)) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRMR (SMCR, STR)Turns ABS solenoid (SRMR (SMCR, STR)) ON / OFFOperation of solenoid (click-
ing sound) can be heard
SFRR & SFRHTurns ABS solenoid SFRR & SFRH ON / OFFOperation of solenoid (click-
ing sound) can be heard
SFLR & SFLHTurns ABS solenoid SFLR & SFLH ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRH & SRRTurns ABS solenoid SRRR & SRRH ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRLR & SRLHTurns ABS solenoid SRLR & SRLH ON / OFFOperation of solenoid (click-
ing sound) can be heard
SFRH & SFLHTurns ABS solenoid SFRH & SFLH ON / OFFOperation of solenoid (click-
ing sound) can be heard
SRCF & SRCRTurns ABS solenoid SRCF & SRCR ON / OFFOperation of solenoid (click-
ing sound) can be heard

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