2001 TOYOTA HIGHLANDER fuel pressure

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)

- INTRODUCTIONTERMS
01-47
47 Author
: Date
:
2005 HIGHLANDER REPAIR MANUAL (RM1144U) HO2S
Heated Oxygen SensorHeated Oxygen Sensor (HO2S)
IACIdle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module-
IFIIndirect Fuel InjectionIndirect Injection (IDL)
IFSInertia Fuel-Shutoff-
ISCIdle Speed Control-
KSKnock SensorKnock Sensor
MAFMass AirflowAir Flow Meter
MAPManifold Absolute PressureManifold Pressure Intake Vacuum
MCMixture Control
Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDPManifold Differential Pressure-
MFIMultiport Fuel InjectionElectronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Lamp
MSTManifold Surface Temperature-
MVZManifold Vacuum Zone-
NVRAMNon-V olatile Random Access Memory-
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn-Board DiagnosticOn-Board Diagnostic System (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Convert (OC), CCo
OLOpen LoopOpen Loop
PAIRPulsed Secondary Air InjectionAir Suction (AS)
PCMPowertrain Control Module-
PNPPark/Neutral Position-
PROMProgrammable Read Only Memory-
PSPPower Steering Pressure-
PTOXPeriodic Trap OxidizerDiesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM)
RMRelay Module-
ROMRead Only MemoryRead Only Memory (ROM)
RPMEngine SpeedEngine Speed
SCSuperchargerSupercharger
SCBSupercharger BypassE-ABV
SFISequential Multiport Fuel InjectionElectronic Fuel Injection (EFI), Sequential Injection
SPLSmoke Puff Limiter-
SRIService Reminder Indicator-
SRTSystem Readiness Test-
STScan Tool-
TBThrottle BodyThrottle Body
TBIThrottle Body Fuel InjectionSingle Point Injection
Central Fuel Injection (Ci)
TCTurbochargerTurbocharger
TCCTorque Converter ClutchTorque Converter

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
W- BW- BG- B L
BJ1 VTA1 VCVTA2 E2
12
BRBI1 13 IM1
3M- M+12
IM1
1112
10 9
(
Cont. next page)
2 HIGHLANDER (
Cont' d)
E ngine C ontrol (
3MZ- FE)
E(
Shielded) R- W
GR B
C
12
IO1 3 D
6
25 D 21 D24 13
BRB
R- Y
VTA2 VC18 E 315D 22D A20 13 24D
D 3EB1
30 D 4 D 23 D D31 13 24 6EB1
17 C 3 C 21 E2 1
19 E 21 A C
2 1 16 C 15 C
2 1 14 C 13 C 4 W- B
B- WBRY
GRWB- R
YA
B
D
E
PLL
HT1B OX1B HA1H A1A+ A1A- HA2A A2A+ A2A- TC 2
G- WG- RL- R G- B
W
G- R G- B
OC2+ GE01 M+ VTA1 THW PTNK
OC 1+ OC 1 - OC2 - E(
Shielded)
(
Shielded) O
O
BRR- W
5
B- R R- W
IM1 (
Shielded)
6
M-IM1 3
(
Shielded)
W
F AW
(
Shielded)
BJ 1 16
3BI1IO1 15
2IM1
BR G- RBYL
WB R- WB- R Y
WB R- WB- RY3 Y
1 W- B
2 BR BR
1 22 C
EC Left Side of the
Cylinder Head7E 6E
Y- B W- B W- BMOPS E01 E02
1 10 CPSW
R- W
(
Shielded)
C
12 A
Voltage Inv ert er
< 27- 4>ELS2G
DMulti- Display
<30- 6>
R- W R- W
W- BIO17
PL
17 BJ1
BR2BI1Y
O
FBR
5A
5B
E 28
E2
BR BR BRR- W
BR
BR
4C
W- BME01
W- B (
*1)
(
*2)
* 2 : w/ Rear Seat Ent ert ainment Sys tem * 1 : w/ Navigation Syst em
O 1
P 2 E 2
V11
S28(
A)
, S29(
B)
T13
A 7
A 6
H10 J16
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
C 3
C 4 Air Fuel Ratio Sens or
(
Bank 1 Sens or 1) Air Fuel Ratio Sens or
(
Bank 2 Sens or 1)
C amsh af t Ti mi ng Oi l
Control Valve LH
C amsh af t Ti mi ng Oi l
Control Valve RH
Engine Coolant
Temp. Sensor
Engine Contr ol Module
Heat ed Oxy gen Sens or
(
Bank 1 Sensor 2) Junction
Connec tor
Oil Pressure SW
Power Steering Oil
Pressure SW
Short Connector
Throttle Control Motor
Vapor Press ur e Sens orVCC GND PTNK+B E2
+B AF- +B AF-
AF + HT AF+ HT OX 1B HT1B Thrott le Posit ion Sensor

2005 HIGHLANDER (EWD592U)
M
5
678
31 HIGHLANDER (
Cont' d)(
Cont. next page)
2IR2
5BH111 IR2
3K 23B 6
IBRight I nst rument
Panel Brace
OOPY
V
BR
10 IF2
8IC3
EARight Fr ont
Fender Apron A2 1
BR P Y- B
Y- B
W- B Engine Control
Sys tem< 2- 4> < 3- 4>
VSC and Tir e Pres sure
Warning System< 15- 9>
Combination Meter
A A14 BH1
D D
P23
O
O
13 A
B 7 A 17 11 B 10 B 4B 12 B 9A
VSC
ABS
Brake
Malfunction
Indicator Lamp
Washer Level CRUISE
Oil Pressure
Char ge
ECT SNOW
Fue l
L
2
D
N
R
P
Do or
Buzzer 3 O/ D OF F A/T
OIL TEMP
Air bag
Driver ' s
Seat BeltSlip MAINT REQDTi r e Ai r
Pressure
(
USA)(
US A)
E E P
9IL1PSB
A
W- B
B
P
W- B
TRAC OFF (
2WD)(
2WD)
* 1 : 3MZ- FE
(
*1)(
*1)
3B 1211 AR
F12J 3
W 1
J13
C11(
A)
, C12(
B)
J 6
Combinat ion Meter
Fuel SenderJunction
Connector
Junct ion
Connect or
Junct ion
Connect or Washer Level
Se nso r

L PART NUMBER OF CONNECTORS
Code Part Name Part NumberCodePart Name Part Number
Note : Not all of the above part numbers of the connector are established for the supply.
2005 HIGHLANDER (EWD592U)
342
A 1A/C Ambient Temp. Sensor90980-1 1070
A2A/C Lock Sensor90980-1 1016A 2A/C Magnetic Clutch90980-1 1016
A 3Pressure SW90980-10943
A 4ABS Speed Sensor Front LH90980-1 1075A 5ABS Speed Sensor Front RH90980-11075
A 6Air Fuel Ratio Sensor (Bank 1 Sensor 1)90980-1 1178A 7Air Fuel Ratio Sensor (Bank 2 Sensor 1)90980-11178
A 8Airbag Sensor Front LH90980-1 1856A 9Airbag Sensor Front RH90980-11856
A10A/C Control Assembly90980-1 1392
A11A/C Control Assembly90980-1 1391
A12A/C Solar Sensor90980-1 1918
A13Air Inlet Control Servo Motor
A14Air Mix Control Servo Motor90980-1 1909
A15Air Vent Mode Control Servo Motor
A16
Airbag Sensor Assembly (w/ Curtain Shield
Airbag)82824-50160
A16Airbag Sensor Assembly (w/o Curtain
Shield Airbag)90980-1 1869
A17Airbag Sensor Assembly90980-1 1872
A18
Airbag Sensor Assembly (w/ Curtain Shield
Airbag)82824-50150
A18Airbag Sensor Assembly (w/o Curtain
Shield Airbag)90980-1 1867
A19Airbag Squib (Front Passenger Airbag
Assembly)
90980-12160
A20Airbag Squib (Steering Wheel Pad)
90980 12160
A21Antenna Amplifier (Front)90980-10871
A22Ashtray Illumination90980-10824
A23Automatic Light Control Sensor90980-1 1107
A24ABS Speed Sensor Rear LH90980-1 1060A25ABS Speed Sensor Rear RH90980-1 1060
A26Antenna Amplifier (Rear)90980-10871
A27Accel Position Sensor90980-1 1858
B 4Brake Warning SW90980-1 1207
B 5Blower Control SW90980-10877
B 6Blower Motor90980-10385
B 7Blower Motor Control90980-1 1676
B 8Blower Resister90980-1 1136
B 9Body ECU90980-1 1957
B10Body ECU90980-1 1956
B11Body ECU90980-1 1955
B12Body ECU90980-1 1954
B13Brake Pedal Load Sensing SW90980-10860
B14Back Door Key Lock and Unlock SW90980-1 1489
B15Back Door Lock Motor90980-1 1292B15Back Door Unlock Detection SW90980-1 1292
B17Buckle SW (Front Passenger's Side)90980-1 1019
B19Buckle SW LH90980-10942B19Seat Position Airbag Sensor LH90980-10942
C 1Camshaft Position Sensor90980-10947
C 2Camshaft Timing Control Valve
C 3Camshaft Timing Oil Control Valve LH90980-1 1162
C 4Camshaft Timing Oil Control Valve RH
C 5Condenser Fan Motor90980-10928
C 6Counter Gear Speed Sensor90980-1 1156
C 7Crankshaft Position Sensor90980-10947
C 9Cigarette Lighter90980-10760
C10Cigarette Lighter Illumination90980-1 1148
C11Combination Meter90980-1 1392
C12Combination Meter90980-1 1391
C13Combination SW90980-1 1672
C14Combination SW90980-1 1594
C16Combination SW90980-12183
C17Charcoal Canister Assembly90980-12380
C18Curtain Shield Airbag Squib LH90980-12219C19Curtain Shield Airbag Squib RH90980-12219
D 2Diode (Cooling Fan)90980-10962
D 3Data Link Connector 390980-1 1978
D 4Diode (Rear Interior Light)90980-10962
D 5Door Courtesy Light Front LH90980-1 1148D 6Door Courtesy Light Front RH90980-1 1148
D 7Door Courtesy SW Front LH
D 8Door Courtesy SW Front RH90980-10871D 9Door Courtesy SW Rear LH90980-10871
D10Door Courtesy SW Rear RH
D11Door Lock Control SW90980-10797
Door Key Lock and Unlock SW Front LH
D12Door Lock Motor Front LH
Door Unlock Detection SW Front LH90980-1 1858Door Key Lock and Unlock SW Front RH90980-11858
D13Door Lock Motor Front RH
Door Unlock Detection SW Front RH
D14Door Lock Motor Rear LHD14Door Unlock Detection SW Rear LH90980-1 1150
D15Door Lock Motor Rear RH90980-11150
D15Door Unlock Detection SW Rear RH
D16Diode (Rear Wiper)90980-10962
E 1Electronically Controlled Transmission
Solenoid90980-12326
E2Engine Coolant Temp. Sensor (2AZ-FE)90980-1 1061E 2Engine Coolant Temp. Sensor (3MZ-FE)90980-10737
E 3Engine Hood Courtesy SW90980-1 1189

2005 HIGHLANDER (EWD592U)
38
G ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[3MZ-FE]
A 1 A/C Ambient Temp. Sensor
A 2 A/C Lock Sensor
A/C Magnetic Clutch
A 3 Pressure SW
A 4 ABS Speed Sensor Front LH
A 5 ABS Speed Sensor Front RH
A 6 Air Fuel Ratio Sensor (Bank 1 Sensor 1)
A 7 Air Fuel Ratio Sensor (Bank 2 Sensor 1)
A 8 Airbag Sensor Front LH
A 9 Airbag Sensor Front RH
B 4 Brake Warning SW
C 3 Camshaft Timing Oil Control Valve LH
C 4 Camshaft Timing Oil Control Valve RH
C 5 Condenser Fan Motor
C 6 Counter Gear Speed Sensor
C 7 Crankshaft Position Sensor
E 1 Electronically Controlled Transmission Solenoid
E 2 Engine Coolant Temp. Sensor
E 3 Engine Hood Courtesy SWF 1 Front Fog Light LH
F 2 Front Fog Light RH
F 3 Front Parking Light LH
Front Turn Signal Light LH
F 4 Front Parking Light RH
Front Turn Signal Light RH
F 5 Front Wiper Deicer
F 6 Front Wiper Motor
F 7 Fusible Link Block
F 14 Front Washer Motor
G 1 Generator
G 2 Generator
H 1 Headlight LH (High Beam)
H 2 Headlight LH (Low Beam)
H 3 Headlight RH (High Beam)
H 4 Headlight RH (Low Beam)
H 6 Heated Oxygen Sensor (Bank 2 Sensor 2)
H 7 Horn LH
H 8 Horn RH

2005 HIGHLANDER (EWD592U)
40
G ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[2AZ-FE]
A 1 A/C Ambient Temp. Sensor
A 2 A/C Lock Sensor
A/C Magnetic Clutch
A 3 Pressure SW
A 4 ABS Speed Sensor Front LH
A 5 ABS Speed Sensor Front RH
A 6 Air Fuel Ratio Sensor (Bank 1 Sensor 1)
A 8 Airbag Sensor Front LH
A 9 Airbag Sensor Front RH
B 4 Brake Warning SW
C 1 Camshaft Position Sensor
C 2 Camshaft Timing Control Valve
C 5 Condenser Fan Motor
C 6 Counter Gear Speed Sensor
C 7 Crankshaft Position Sensor
E 2 Engine Coolant Temp. Sensor
E 10 Electronically Controlled Transmission SolenoidF 1 Front Fog Light LH
F 2 Front Fog Light RH
F 3 Front Parking Light LH
Front Turn Signal Light LH
F 4 Front Parking Light RH
Front Turn Signal Light RH
F 5 Front Wiper Deicer
F 6 Front Wiper Motor
F 7 Fusible Link Block
F 14 Front Washer Motor
G 1 Generator
G 2 Generator
H 1 Headlight LH (High Beam)
H 2 Headlight LH (Low Beam)
H 3 Headlight RH (High Beam)
H 4 Headlight RH (Low Beam)
H 7 Horn LH
H 8 Horn RH

7101E-06
- INSTRUMENT PANEL/METERCOMBINATION METER
71-1
3592 Author
: Date
:
COMBINATION METER
PROBLEM SYMPTOMS TABLE
Warning Lights:
SymptomSuspect AreaSee page
Check Engine warning light does not come on.
7. ECM
8. Wire Harness or Connector
9. Combination Meter Assy05-5
05-366
-
71-18
Discharge warning light does not come on.
1. ECM
2. Wire Harness or Connector
3. Combination Meter Assy05-5
05-366
-
71-18
Brake warning light does not come on.
1. Skid control ECU
2. Wire Harness or Connector
3. Combination Meter Assy05-761
-
71-18
ABS warning light does not come on.
1. ABS ECU
2. Wire Harness or Connector
3. Combination Meter Assy05-761
-
71-18
SRS warning light does not come on.
1. Airbag Sensor Assy Center
2. Wire Harness or Connector
3. Combination Meter Assy05-1200
-
71-18
Open Door warning light does not come on.
1. Refer to troubleshooting
2. Wire Harness or Connector
3. Combination Meter Assy05-1601
-
71-18
Fuel Level warning light does not come on.
1. Refer to troubleshooting
2. Wire Harness or Connector
3. Combination Meter Assy05-1893
-
71-18
Low Oil Pressure warning light does not come on.
1. Low Oil Pressure Warning Switch
2. Wire Harness or Connector
3. Combination Meter Assy71-3
-
71-18
Driver's seat belt warning light does not come on.
1. Refer to troubleshooting
2. Wire Harness or Connector
3. Combination Meter Assy05-1898
-
71-18
ºOIL LEVELº warning light does not come on.
1. Low Oil Level Sensor
2. Wire Harness or Connector
3. ECM
4. Combination Meter Assy05-5
05-366
-
05-5
05-366
71-18
ºTIRE AIR PRESSº warning light does not come on.
1. Wire Harness or Connector
2. Skid Control ECU
3. Combination Meter Assy-
05-761
71-18
Indicator Lights:
SymptomSuspect AreaSee page
Turn indicator light does not come on.
1. Turn Signal and Hazard Warning System
2. Wire Harness or Connector
3. Combination Meter Assy05-1533
-
71-18
High Beam indicator light does not come on.
1. Headlight Dimmer Switch
2. Wire Harness or Connector
3. Combination Meter Assy05-1533
-
71-18
Washer level indicator light does not come on.
1. Washer Level Warning Switch
2. Wire Harness or Connector
3. Combination Meter Assy-
-
71-18