2001 TOYOTA HIGHLANDER alternator
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05-804
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
994 Author: Date:
DTC C0273/13 OPEN CIRCUIT IN ABS MOTOR RELAY
CIRCUIT
DTC C0274/14 SHORT CIRCUIT IN ABS MOTOR RELAY
CIRCUIT
DTC C1361/91 SHORT CIRCUIT IN ABS MOTOR FAIL SAFE
RELAY CIRCUIT
CIRCUIT DESCRIPTION
The VSC motor relays consist of 2 relays are included in the ABS R/B.
The VSC cut relay is turned on after turning the ignition switch to the ON position. If the DTCs in the
ABS pump motor circuit are memorized, the VSC cut relay cuts off the power supply to the VSC motor
relay and performs the fail safe.
While any of the ABS, BA, TRAC and VSC is operating, the skid control ECU (included in the actuator)
turns the VSC motor relay on to operate the actuator pump motor.
If the voltage applied to the VSC motor relays (+BM) drops below the condition that detects the DTCs
due to the shortage of the battery or alternator output, the DTCs may be memorized.
DTC No.DTC Detecting ConditionTrouble Area
C0273/13
When any of the following (1 to 2) is detected:
(1) All the following conditions continues for at least 0.2
seconds.
IG1 voltage is between 9.5 and 17.2 V.
During initial check.
ABS, BA, TRAC, and VSC are in operation.
Relay contact is open when the relay is ON.
(2) All the following conditions continues for at least 0.2
seconds.
IG1 voltage is less than 9.5 V.
Relay contact remains open when the relay is ON.
ABS No.2 fuse
ABS MTR relay
ABS MTR relay circuit
ABS R/B
ABS cut relay
ABS cut relay circuit
C0274/14The following condition continue for at least 4 seconds.
Relay contact is closed when the relay is OFF.
ABS No.2 fuse
ABS MTR relay
ABS MTR relay circuit
ABS R/B
ABS cut relay
ABS cut relay circuit
C1361/91
All the following conditions continues for at least 4 seconds.
Immediately after turning IG switch to the ON position.
Relay contact is closed when fail-safe relay is OFF.
ABS No.2 fuse
ABS MTR relay
ABS MTR relay circuit
ABS R/B
ABS cut relay
ABS cut relay circuit
05F1Q-09
Page 1607 of 2572
05-1674
- DIAGNOSTICSAUDIO SYSTEM
1864 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
NOISE OCCURS
INSPECTION PROCEDURE
1 CHECK OF SPEAKER INSTALLATION
(a) Check the speaker installation condition.
(1) Check that each speaker is securely installed.
OK: Malfunction disappears.
HINT:
The radio is equipped with a noise prevention system that blocks only excessively loud noise. If loud noise
occurs, check whether or not the ground on the antenna installation part and the proper noise-prevention
equipment are all installed, and whether or not there is improper wiring.
Condition in which noise occursNoise type
Depressing the acceleration pedal increases the noise, and stopping the
engine stops the noise immediately.Alternator noise
Noise occurs during A/C or the heater operation.Blower motor noise
Rapid acceleration during the drive on an unpaved road or after the ignition
switch is turned on makes noise.Fuel pump noise
Pressing and then releasing the horn switch, and keeping pressing the horn
switch makes noise.Horn noise
Quiet noise is heard while the engine is running, but stops with the engine.Ignition noise
Noise occurs in turn with the blink of the turn signal flash.Flasher noise
Noise occurs during window washer operation.Washer noise
Noise occurs while the engine is running, and it continues even after the en-
gine is stopped.Water temperature sensor noise
Noise occurs during wiper operation.Wiper noise
Noise occurs when the brake pedal is depressed.Stop light switch noise
OthersStatic electricity on the vehicle
HINT:
Identify the condition in which the noise occurs, and check the noise filter on the related part.
Make sure first that there is no noise from outside. Failing to do so makes the noise occurrence source
detection difficult and leads to misdiagnosis.
The noise should be removed in descending order of loudness.
NG INSTALL IT PROPERLY
OK
IDENTIFICATION OF NOISE SOURCE
055M1-10
Page 2194 of 2572
010QO-02
- INTRODUCTIONTERMS
01-41
41 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
TERMS
ABBREVIATIONS USED IN MANUAL
AbbreviationsMeaning
ABSAnti-Lock Brake System
A/CAir Conditioner
ACAlternating Current
ACCAccessory
ACISAcoustic Control Induction System
ACSDAutomatic Cold Start Device
A.D.D.Automatic Disconnecting Differential
A/FAir-Fuel Ratio
AHCActive Height Control Suspension
ALRAutomatic Locking Retractor
ALTAlternator
AMPAmplifier
ANTAntenna
Approx.Approximately
ASSYAssembly
A/T, ATMAutomatic Transmission
AT FAutomatic Transmission Fluid
AUTOAutomatic
AUXAuxiliary
AV GAverage
AV SAdaptive Variable Suspension
B+Battery Voltage
BABrake Assist
BACSBoost Altitude Compensation System
BATBattery
BDCBottom Dead Center
B/LBi-Level
B/SBore-Stroke Ratio
BTDCBefore Top Dead Center
BVSVBimetallic Vacuum Switching Valve
CANController Area Network
CBCircuit Breaker
CCoCatalytic Converter For Oxidation
CDCompact Disc
CFCornering Force
CGCenter Of Gravity
CHChannel
CKDComplete Knock Down
COMB.Combination
CPECoupe
CPSCombustion Pressure Sensor
CPUCentral Processing Unit
CRSChild Restraint System
CTRCenter
C/VCheck Valve
CVControl Valve
CWCurb Weight
DCDirect Current
Page 2231 of 2572
010QP-01
01-46
- INTRODUCTIONTERMS
46 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE-J1930 terms and abbreviations used in this manual in compliance with SAE rec-
ommendations, as well as their TOYOTA equivalents.
SAE
ABBREVIATIONSSAE TERMSTOYOTA TERMS
( )--ABBREVIATIONS
A/CAir ConditioningAir Conditioner
ACLAir CleanerAir Cleaner, A/CL
AIRSecondary Air InjectionAir Injection (AI)
APAccelerator Pedal-
B+Battery Positive Voltage+B, Battery Voltage
BAROBarometric PressureHAC
CACCharge Air CoolerIntercooler
CARBCarburetorCarburetor
CFIContinuous Fuel Injection-
CKPCrankshaft PositionCrank Angle
CLClosed LoopClosed Loop
CMPCamshaft PositionCam Angle
CPPClutch Pedal Position-
CTOXContinuous Trap Oxidizer-
CTPClosed Throttle PositionLL ON, Idle ON
DFIDirect Fuel InjectionDirect Injection (DI/INJ)
DIDistributor Ignition-
DLC1
DLC2
DLC3Data Link Connector 1
Data Link Connector 2
Data Link Connector 31: Check Connector
2: Total Diagnosis Communication Link (TDCL)
3: OBD II Diagnostic Connector
DTCDiagnostic Trouble CodeDiagnostic Trouble Code
DTMDiagnostic Test Mode-
ECLEngine Coolant Level-
ECMEngine Control ModuleEngine ECU (Electronic Control Unit)
ECTEngine Coolant TemperatureCoolant Temperature, Water Temperature (THW)
EEPROMElectrically Erasable Programmable Read Only Memory
Electrically Erasable Programmable Read Only Memory
(EEPROM),
Erasable Programmable Read Only Memory (EPROM)
EFEEarly Fuel EvaporationCold Mixture Heater (CMH), Heat Control Valve (HCV)
EGRExhaust Gas RecirculationExhaust Gas Recirculation (EGR)
EIElectronic IgnitionDistributorless Ignition (DLI)
EMEngine ModificationEngine Modification (EM)
EPROMErasable Programmable Read Only MemoryProgrammable Read Only Memory (PROM)
EVAPEvaporative EmissionEvaporative Emission Control (EVAP)
FCFan Control-
FEEPROMFlash Electrically Erasable Programmable
Read Only Memory-
FEPROMFlash Erasable Programmable Read Only Memory-
FFFlexible Fuel-
FPFuel PumpFuel Pump
GENGeneratorAlternator
GNDGroundGround (GND)