Lexus GS300/400 (2000 year). Service manual — part 162
BE1367
Medium Current Fuse and High Current Fuse
Equal Amperage Rating
V00076
Abbreviation
Part Name
Symbol
Illustration
FUSE
MEDIUM CURRENT FUSE
HIGH CURRENT FUSE
FUSIBLE LINK
CIRCUIT BREAKER
FUSE
M–FUSE
H–FUSE
FL
CB
–
INTRODUCTION
REPAIR INSTRUCTIONS
IN–5
5
(3)
Precoated parts are indicated in the component il-
lustrations by the ”
” symbol.
(g)
When necessary, use a sealer on gaskets to prevent
leaks.
(h)
Carefully observe all specifications for bolt tightening
torques. Always use a torque wrench.
(i)
Use of special service tools (SST) and special service ma-
terials (SSM) may be required, depending on the nature
of the repair. Be sure to use SST and SSM where speci-
fied and follow the proper work procedure. A list of SST
and SSM can be found in Preparation section in this
manual.
(j)
When replacing fuses, be sure the new fuse has the cor-
rect amperage rating. DO NOT exceed the rating or use
one with a lower rating.
IN0253
WRONG
CORRECT
IN0252
WRONG
CORRECT
IN–6
–
INTRODUCTION
REPAIR INSTRUCTIONS
6
(k)
Care must be taken when jacking up and supporting the
vehicle. Be sure to lift and support the vehicle at the prop-
er locations (See page
Cancel the parking brake on the level place and
shift the transmission in Neutral (or N position).
When jacking up the front wheels of the vehicle, at
first place stoppers behind the rear wheels.
When jacking up the rear wheels of the vehicle, at
fitst place stoppers before the front wheels.
When either the front or rear wheels only should be
jacked up, set rigid racks and place stoppers in front
and behind the other wheels on the ground.
After the vehicle is jacked up, be sure to support it
on rigid racks. It is extremely dangerous to do any
work on a vehicle raised on a jack alone, even for
a small job that can be finished quickly.
(l)
Observe the following precautions to avoid damage to the
following parts:
(1)
Do not open the cover or case of the ECU unless
absolutely necessary. (If the IC terminals are
touched, the IC may be destroyed by static electric-
ity.)
(2)
To disconnect vacuum hoses, pull off the end, not
the middle of the hose.
(3)
To pull apart electrical connectors, pull on the con-
nector itself, not the wires.
(4)
Be careful not to drop electrical components, such
as sensors or relays. If they are dropped on a hard
floor, they should be replaced and not reused.
(5)
When steam cleaning an engine, protect the elec-
tronic components, air filter and emission–related
components from water.
(6)
Never use an impact wrench to remove or install
temperature switches or temperature sensors.
(7)
When checking continuity at the wire connector, in-
sert the tester probe carefully to prevent terminals
from bending.
(8)
When using a vacuum gauge, never force the hose
onto a connector that is too large. Use a step–down
adapter for adjustment. Once the hose has been
stretched, it may leak air.
IN0002
Example
–
INTRODUCTION
REPAIR INSTRUCTIONS
IN–7
7
(m)
Installation and removal of vacuum hose:
(1)
When disconnecting vacuum hoses, use tags to
identify where they should be reconnected to.
(2)
After completing a job, double check that the vacu-
um hoses are properly connected. A label under the
hood shows the proper layout.
(n)
Bleeding of hydraulic brake booster:
When repairing the hydraulic brake booster or ABS,
TRAC and VSC system, bleeding the air out of the hy-
draulic brake booster (See page
(o)
Unless otherwise stated, all resistance is measured at an
ambient temperature of 20
°
C (68
°
F). Because the resis-
tance may be outside specifications if measured at high
temperatures immediately after the vehicle has been run-
ning, measurement should be made when the engine has
cooled down.
IN0D6–01
–
INTRODUCTION
TERMS
IN–41
41
GLOSSARY OF SAE AND LEXUS TERMS
This glossary lists all SAE–J1930 terms and abbreviations used in this manual in compliance with SAE rec-
ommendations, as well as their LEXUS equivalents.
SAE
ABBREVIATIONS
SAE TERMS
LEXUS TERMS
( )––ABBREVIATIONS
A/C
Air Conditioning
Air Conditioner
ACL
Air Cleaner
Air Cleaner, A/CL
AIR
Secondary Air Injection
Air Injection (AI)
AP
Accelerator Pedal
–
B+
Battery Positive Voltage
+B, Battery Voltage
BARO
Barometric Pressure
HAC
CAC
Charge Air Cooler
Intercooler
CARB
Carburetor
Carburetor
CFI
Continuous Fuel Injection
–
CKP
Crankshaft Position
Crank Angle
CL
Closed Loop
Closed Loop
CMP
Camshaft Position
Cam Angle
CPP
Clutch Pedal Position
–
CTOX
Continuous Trap Oxidizer
–
CTP
Closed Throttle Position
LL ON, Idle ON
DFI
Direct Fuel Injection (Diesel)
Direct Injection (DI)
DI
Distributor Ignition
–
DLC1
DLC2
DLC3
Data Link Connector 1
Data Link Connector 2
Data Link Connector 3
1: Check Connector
2: Total Diagnosis Comunication Link (TDCL)
3: OBD II Diagnostic Connector
DTC
Diagnostic Trouble Code
Diagnostic Code
DTM
Diagnostic Test Mode
–
ECL
Engine Control Level
–
ECM
Engine Control Module
Engine ECU (Electronic Control Unit)
ECT
Engine Coolant Temperature
Coolant Temperature, Water Temperature (THW)
EEPROM
Electrically Erasable Programmable Read Only Memory
Electrically Erasable Programmable Read Only Memory
(EEPROM),
Erasable Programmable Read Only Memory (EPROM)
EFE
Early Fuel Evaporation
Cold Mixture Heater (CMH), Heat Control Valve (HCV)
EGR
Exhaust Gas Recirculation
Exhaust Gas Recirculation (EGR)
EI
Electronic Ignition
TOYOTA Distributorless Ignition (TDI)
EM
Engine Modification
Engine Modification (EM)
EPROM
Erasable Programmable Read Only Memory
Programmable Read Only Memory (PROM)
EVAP
Evaporative Emission
Evaporative Emission Control (EVAP)
FC
Fan Control
–
FEEPROM
Flash Electrically Erasable Programmable Read Only
Memory
–
FEPROM
Flash Erasable Programmable Read Only Memory
–
FF
Flexible Fuel
–
FP
Fuel Pump
Fuel Pump
GEN
Generator
Alternator
GND
Ground
Ground (GND)
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