belt LEXUS LS430 2003 Factory Repair Manual

LS430 SPECIFICATIONS INDEX
SystemSpecification/Procedure
Air Conditioning
ServiceSERVICE DATA
TorqueTORQUE SPECIFICATION
Axle Nut/Hub Nut
Front69 N.m (700 kgf.cm, 51 ft.lbf)
Rear290 N.m (2,960 kgf.cm, 214 ft.lbf)
BatteryNA
Brakes
Bleeding
SequenceBLEEDING
Disc BrakesSERVICE DATA
TorqueTORQUE SPECIFICATION
Charging
GeneratorSERVICE DATA
TorqueTORQUE SPECIFICATION
Drive Belts
AdjustmentREPLACEMENT
Belt RoutingDRIVE BELT
Engine Cooling
General Service
SpecificationsSERVICE DATA
Radiator Cap
PressureStandard Value
93 to 123 kPa (0.95 to 1.25 kgf/cm
2 , 13.5 to 17.8 psi)
Minimum Standard Value
78 kPa (0.8 kgf/cm
2 , 11.4 psi)
Thermostat R & ITHERMOSTAT
Water Pump R &
IWATER PUMP
Engine Mechanical
CompressionSERVICE DATA
Oil Pressureat idle, 29 kPa (0.3 kgf.cm2 , 43 psi) or more
at 3,000 rpm, 294 to 588 kPa (3.0 to 6.0 kgf.cm
2 , 43 to 85 psi)
OverhaulSERVICE DATA
TorqueTORQUE SPECIFICATION

Fig. 3: ABS With EBD & BA & TRAC & VSC System Diagram (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TRANSMITTING ECU RECEIVING ECU SIGNALS COMMUNICATION METHOD
Transmitting ECU
(transmitter)
Receiving ECUSignalsCommunication method
Suspension Control
ECUSkid Control ECUSuspension Control SignalCAN Communication
System
Skid Control ECUSuspension Control
ECUYaw Rate/Deceleration SignalCAN Communication
System
Skid Control ECUSuspension Control
ECUSTP Switch SignalCAN Communication
System
Skid Control ECUSuspension Control
ECUWheel Speed SignalCAN Communication
System
Skid Control ECUSeat Belt Control ECUSTP SignalCAN Communication
System
Skid Control ECUSeat Belt Control ECUBrake Pedal effort signalCAN Communication
System
Distance Control
ECUSkid Control ECUDistance Control SignalCAN Communication
System
Distance Control
ECUSkid Control ECURelative Speed Warning SignalCAN Communication
System
Distance Control Skid Control ECUBrake Assist Standby SignalCAN Communication

Fig. 16: Exploded View Of Brake Pedal Support Sub-Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
ON-VEHICLE INSPECTION
1.REMOVE SEAT BELT ANCHOR COVER CAP LH
2.REMOVE SEAT TRACK COVER RH

23.INSTALL OUTER MIRROR SWITCH ASSY
24.INSTALL COIN BOX
25.INSTALL INSTRUMENT PANEL UNDER COVER NO.1 (SEE REPLACEMENT
)
26.INSTALL CLUSTER FINISH PANEL CENTER LOWER
27.INSTALL INSTRUMENT CLUSTER FINISH PANEL END
28.INSTALL SEAT ASSY FR LH
29.INSTALL SEAT TRACK BRACKET COVER INNER FRONT
30.INSTALL SEAT TRACK BRACKET COVER OUTER FRONT
31.INSTALL SEAT TRACK OUTER COVER LH
32.INSTALL SEAT TRACK COVER RH
33.INSTALL SEAT BELT ANCHOR COVER CAP LH
OVERHAUL
1.DISCONNECT BATTERY NEGATIVE TERMINAL
2.PLACE FRONT WHEELS FACING STRAIGHT AHEAD
3.REMOVE SWITCH & VOLUME CASE
4.REMOVE STEERING WHEEL COVER LOWER NO.2
5.REMOVE HORN BUTTON ASSY (SEE OVERHAUL
)
6.REMOVE STEERING WHEEL ASSY (SEE OVERHAUL
)
<00360036003700030013001c001c001800130010001800130013001400160003000b0013001c001c00180014001000130018001300140013000f00030013001c001c00180015001000130018001300140013000f00030013001c001c001800160010001300
18001300150013000f00030013001c001c0018001700100013[5021)
7.REMOVE STEERING COLUMN COVER (SEE OVERHAUL
)
8.REMOVE SPIRAL CABLE SUB-ASSY (SEE REPLACEMENT
)
9.REMOVE TURN SIGNAL SWITCH ASSY (SEE REPLACEMENT
)
10.REMOVE INSTRUMENT CLUSTER FINISH PANEL CENTER LOWER
11.REMOVE INSTRUMENT CLUSTER FINISH PANEL END
12.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.1 (SEE REPLACEMENT
)
13.REMOVE COIN BOX ASSY
14.REMOVE OUTER MIRROR SWITCH ASSY
15.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (SEE REPLACEMENT
)
16.REMOVE INSTRUMENT PANEL AIR BAG ASSY LOWER NO.1 (SEE REPLACEMENT
)
17.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE REPLACEMENT
)
18.REMOVE INSTRUMENT CLUSTER FINISH PANEL (SEE REPLACEMENT
)
19.REMOVE COMBINATION METER ASSY (SEE OVERHAUL
)
20.REMOVE PUSH ROD PIN
a. Disconnect the stop lamp switch connector and brake pedal load sensing switch connector.

REPLACEMENT
1.DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PRECAUTION
)
2.REMOVE SEAT BELT ANCHOR COVER CAP LH
3.REMOVE SEAT TRACK COVER RH
4.REMOVE SEAT TRACK OUTER COVER LH
5.REMOVE SEAT TRACK BRACKET COVER OUTER FRONT
6.REMOVE SEAT TRACK BRACKET COVER INNER FRONT
7.REMOVE FRONT SEAT ASSY LH (SEE OVERHAUL
)
8.REMOVE INSTRUMENT CLUSTER FINISH PANEL END
9.REMOVE INSTRUMENT CLUSTER FINISH PANEL CENTER LOWER (SEE
REPLACEMENT
)
10.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.1 (SEE REPLACEMENT
)
11.REMOVE COIN BOX ASSY
12.REMOVE OUTER MIRROR SWITCH ASSY
13.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (SEE REPLACEMENT
)
14.REMOVE INSTRUMENT PANEL AIR BAG ASSY LOWER NO.1 (SEE REPLACEMENT
)
15.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE REPLACEMENT
)
16.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE REPLACEMENT
)
17.REMOVE GLOVE COMPARTMENT PLATE (SEE REPLACEMENT
)
18.REMOVE CHOKE KNOB HOLE COVER (SEE REPLACEMENT
)
19.REMOVE INSTRUMENT PANEL FINISH PANEL (SEE REPLACEMENT
)
20.REMOVE FRONT DOOR SCUFF PLATE LH (LHD STEERING POSITION TYPE) (SEE
REPLACEMENT
)
21.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (SEE REPLACEMENT
)
22.REMOVE PANEL INSTRUMENT CLUSTER FINISH LOWER (SEE REPLACEMENT
)
23.REMOVE RADIO RECEIVER ASSY W/BRACKET (SEE REPLACEMENT
)
24.REMOVE SHIFT LEVER KNOB SUB-ASSY (SEE REPLACEMENT
)
25.REMOVE CONSOLE PANEL SUB-ASSY UPPER (SEE REPLACEMENT
)
26.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY
27.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (SEE REPLACEMENT
)
28.REMOVE CONSOLE BOX CARPET
29.REMOVE REAR CONSOLE ARMREST ASSY (SEE REPLACEMENT
)
30.REMOVE CONSOLE BOX (SEE REPLACEMENT
)
31.TURN BACK FLOOR CARPET ASSY FRONT
32.REMOVE YAWRATE SENSOR
a. Disconnect the
yawrate sensor connector.

57.INSTALL PANEL INSTRUMENT CLUSTER FINISH LOWER (SEE REPLACEMENT )
58.INSTALL INSTRUMENT PANEL FINISH PANEL LOWER CENTER (SEE REPLACEMENT
)
59.INSTALL FRONT DOOR SCUFF PLATE LH (SEE REPLACEMENT
)
60.INSTALL INSTRUMENT PANEL FINISH PANEL (SEE REPLACEMENT
)
61.INSTALL CHOKE KNOB HOLE COVER (SEE REPLACEMENT
)
62.INSTALL GLOVE COMPARTMENT PLATE (SEE REPLACEMENT
)
63.INSTALL INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE REPLACEMENT
)
64.INSTALL FRONT SEAT ASSY LH (SEE OVERHAUL
)
65.INSTALL SEAT TRACK BRACKET COVER INNER FRONT
66.INSTALL SEAT TRACK BRACKET COVER OUTER FRONT
67.INSTALL SEAT TRACK OUTER COVER LH
68.INSTALL SEAT TRACK COVER RH
69.INSTALL SEAT BELT ANCHOR COVER CAP LH
70.REMOVE REAR WHEEL
71.ADJUST PARKING BRAKE SHOE CLEARANCE
a. Remove the hole plug.
b. Turn the adjuster and expand the shoes until the disc locks.
c. Return the adjuster 7 notches. Install the hole plug.

conventional communication line (SIL).
1.BRIEF DESCRIPTION
a. The CAN (Controller Area Network) is a serial data communication system for real time
application. It is a multiplex communication system equipped for a vehicle and has a high
communication speed (500 kbps) and the function to detect malfunctions.
b. By pairing the CANH and CANL bus lines, the CAN performs communication based on
differential voltage.
c. Many ECUs (sensors) installed on the vehicle operate by sharing information and communicating
with each other.
d. The CAN has two resistors of 120 ohms which are necessary to communicate with the main bus
line.
2.DEFINITION OF TERMS
a. Main bus line
1. The main bus line is the wire harness between the two terminus circuits on the bus
(communication line). This is the main bus in the CAN communication system.
b. Sub bus line
1. The sub bus line is the wire harness which diverges from the main bus line to the ECU or
sensor.
c. Terminus circuit
1. The terminus circuit is a circuit which is placed to convert communication current of the
CAN communication into bus voltage. It consists of a resistor and condenser. Two terminus
circuits are necessary on a bus.
d. CAN J/C
1. The CAN J/C is a junction designed for CAN communication, which stores a terminus
circuit.
3.ECUs OR SENSORS WHICH COMMUNICATE THROUGH CAN COMMUNICATION
SYSTEM
a. Skid Control ECU with Actuator
b. Yaw Rate Sensor
c. Steering Sensor
d. Television Camera ECU
e. Seat Belt Control ECU
f. Distance Control ECU
g. Suspension Control ECU
h. ECM
i. Gateway ECU
4.DIAGNOSTIC CODE FOR CAN COMMUNICATION SYSTEM
a. DTCs for the CAN communication system are as follows:

Fig. 12: Identifying Lug-Can Junction Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. LUG-CAN J/C.
LUG-CAN JUNCTION CONNECTORS COLORS DETAIL
Fig. 13: Identifying Can Junction Connectors
LUG-CAN J/C connectors (A side, w/earth terminal)Color (CAN-H
Side)Color (CAN-L
Side)
Television camera ECULGL
Seat Belt Control ECUBW
CAN main bus line (bus line to connect LUG-CAN J/C and
P-CAN J/C)BW

10.SUSPENSION CONTROL ECU
a. Measure the resistance according to the value (s) in the table below.
Standard:
SUSPENSION CONTROL ECU CONNECTOR TERMINALS RESISTANCE
Fig. 25: Identifying Seat Belt Control ECU Connector Terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
11.SEAT BELT CONTROL ECU
a. Measure the resistance according to the value (s) in the table below.
Standard:
TerminalsWiring ColorConditionSpecified Condition
A20-7 (CANH) - A20-8 (CANL)BR - YIgnition Switch OFF54 to 69 ohms
A20-7 (CANH) - A20-4 (GND)BR - W-BIgnition Switch OFF1 kohms or more
A20-8 (CANL) - A20-4 (GND)Y - W-BIgnition Switch OFF1 kohms or more
A20-7 (CANH) - D1-16 (BAT)BR - BIgnition Switch OFF1 Mohms or more
A20-8 (CANL) - D1-16 (BAT)Y - BIgnition Switch OFF1 Mohms or more

SEAT BELT CONTROL ECU CONNECTOR TERMINALS RESISTANCE
1.COMMUNICATION STOP MODE TABLE
a. Check that there is no open circuit in the CAN main bus line, short between the lines, or short to +B
in the "CHECK CAN BUS LINE" (see CHECK CAN BUS LINE
). Select "BUS CHECK" on the
hand-held tester via the CAN VIM (see DIAGNOSIS SYSTEM
).
b. Check the communication stop mode of the ECUs or sensors not displayed among the following:
"ENGINE", "ECT", "CRUISE CONTROL", "ABS/VSC/TRAC", "YAW/DECELERAT",
"STEERING SENSOR", "BODY/GATEWAY", "BACK GUIDE MONITOR", "PSB" or "AIR
SUSPENSION".
PROBLEM SYMPTOMS
TerminalsWiring ColorConditionSpecified Condition
S63-4 (CANH) - S63-6 (CANL)B - WIgnition Switch OFF54 to 69 ohms
S63-4 (CANH) - S63-18 (GND)B - W-BIgnition Switch OFF1 kohms or more
S63-6 (CANL) - S63-18 (GND)W - W-BIgnition Switch OFF1 kohms or more
S63-4 (CANH) - S63-9 (BATT)B - BIgnition Switch OFF1 Mohms or more
S63-6 (CANL) - S63-9 (BATT)W - BIgnition Switch OFF1 Mohms or more
SymptomInspection ItemCustomizationSee Procedure
"ENGINE" and "ECT" are
not displayed on the hand-
held tester via CAN VIM.ECM
COMMUNICATION
STOP MODEApplicable to all
vehiclesECM
COMMUNICATION
STOP MODE
"ABS/VSCATRAC" is not
displayed on the hand-held
tester via CAN VIM.SKID CONTROL ECU
COMMUNICATION
STOP MODEApplicable to all
vehiclesSKID CONTROL ECU
COMMUNICATION
STOP MODE
"STEERING SENSOR" is
not displayed on the hand-
held tester via CAN VIM.STEERING SENSOR
COMMUNICATION
STOP MODEApplicable to all
vehiclesSTEERING SENSOR
COMMUNICATION
STOP MODE
"YAW/DECELERAT" is
not displayed on the hand-
held tester via CAN VIM.YAW RATE SENSOR
COMMUNICATION
STOP MODEApplicable to all
vehiclesYAW RATE SENSOR
COMMUNICATION
STOP MODE
DISTANCE CONTROL Applicable only to DISTANCE CONTROL