Page 2232 of 2572

- 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
Page 2333 of 2572

L
CodePart Name Part NumberCodePart Name Part Number
2005 HIGHLANDER (EWD592U)
343
E 4Electronically Controlled Transmission
Pattern Select SW90980-10797
E 5Engine Control Module90980-12142
E 6Engine Control Module90980-12146
E 7Engine Control Module90980-12144
E 8Engine Control Module90980-12145
E 9Engine Control Module90980-12143
E10Electronically Controlled Transmission
Solenoid90980-1 1658
E12Evaporator Temp. Sensor90980-1 1918
F 1Front Fog Light LH90980-1 1660F 2Front Fog Light RH90980-1 1660
F3Front Parking Light LHF 3Front Turn Signal Light LH90980-1 1020
F4Front Parking Light RH90980-1 1020
F 4Front Turn Signal Light RH
F 5Front Wiper Deicer90980-1 1407
F 6Front Wiper Motor90980-1 1599
F 7Fusible Link Block-
F 8Front Power Outlet90980-10760
F10Front Door Speaker LH90980-10935F11Front Door Speaker RH90980-10935
F12Fuel Pump90980-1 1077F12Fuel Sender90980-11077
F14Front Washer Motor90980-1 1019
G 1Generator90980-1 1964
G 2Generator90980-09365
G 4Glove Box Light90980-1 1098
G 5Gateway ECU90980-1 1911
H 1Headlight LH (High Beam)90980-1 1659
H 2Headlight LH (Low Beam)90980-1 1660
H 3Headlight RH (High Beam)90980-1 1659
H 4Headlight RH (Low Beam)90980-1 1660
H 6Heated Oxygen Sensor (Bank 2 Sensor 2)90980-1 1930
H 7Horn LH90980-10619H 8Horn RH90980-10619
H 9Heater Relay82660-44010
H10Heated Oxygen Sensor (Bank 1 Sensor 2)90980-1 1929
H11High Mounted Stop Light90980-1 1148
I 2Ignition Coil and Igniter No.1
I 3Ignition Coil and Igniter No.2
I 4Ignition Coil and Igniter No.390980-1 1885I 5Ignition Coil and Igniter No.490980-1 1885
I 6Ignition Coil and Igniter No.5
I 7Ignition Coil and Igniter No.6
I8Injector No.1 (2AZ-FE)90980-1 1875I 8Injector No.1 (3MZ-FE)90980-1 1153
I9Injector No.2 (2AZ-FE)90980-1 1875I 9Injector No.2 (3MZ-FE)90980-1 1153
I10Injector No.3 (2AZ-FE)90980-1 1875I10Injector No.3 (3MZ-FE)90980-1 1153
I11Injector No.4 (2AZ-FE)90980-1 1875I11Injector No.4 (3MZ-FE)90980-1 1153
I12Injector No.590980-1 1153I13Injector No.690980-11153
I14Ignition Key Cylinder Illumination90980-1 1148
I15Ignition SW90980-1 1615
I16Interior Light90980-10908
I17Inner Mirror90980-1 1794
J 1Junction Connector
J 2Junction Connector90980-1 1194J 3Junction Connector90980-1 1194
J 4Junction Connector
J 5Junction Connector90980-1 1542
J 6Junction Connector90980-1 1915
J 7Junction Connector90980-1 1542
J10Junction Connector90980-10807J12Junction Connector90980-10807
J13Junction Connector90980-1 1915
J14Junction Connector90980-10976
J16Junction Connector90980-1 1915J17Junction Connector90980-1 1915
J18Junction Connector
J19Junction Connector90980-1 1542
J20Junction Connector
J21Junction Connector
J22Junction Connector90980-12374J23Junction Connector90980-12374
J24Junction Connector
K 1Knock Sensor (Bank 1)
K 2Knock Sensor (Bank 1)90980-1 1875
K 3Knock Sensor (Bank 2)
K4Key Interlock Solenoid90980-10795K 4Unlock Warning SW90980-10795
L 1License Plate light90980-1 1300
M 1Mass Air Flow Meter90980-1 1317
M 2Main SW90980-10957
M 3Multi-Display90980-12203
M 4Multi-Display90980-12410
M 5Multi-Display90980-12012
N 1Noise Filter (Ignition System)90980-10843
N 2Noise Filter (Rear Window Defogger)90980-10860
N 3Navigation ECU90980-1 1973
Page 2342 of 2572

2005 HIGHLANDER (EWD592U)
44
G ELECTRICAL WIRING ROUTING
Position of Parts in Body
A 24 ABS Speed Sensor Rear LH
A 25 ABS Speed Sensor Rear RH
A 26 Antenna Amplifier (Rear)
B 14 Back Door Key Lock and Unlock SW
B 15 Back Door Lock Motor
Back Door Unlock Detection SW
C 17 Charcoal Canister Assembly
C 18 Curtain Shield Airbag Squib LH
C 19 Curtain Shield Airbag Squib RH
D 4 Diode (Rear Interior Light)
D 5 Door Courtesy Light Front LH
D 6 Door Courtesy Light Front RH
D 7 Door Courtesy SW Front LH
D 8 Door Courtesy SW Front RH
D 9 Door Courtesy SW Rear LH
D 10 Door Courtesy SW Rear RH
D 11 Door Lock Control SW
D 12 Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
D 13 Door Key Lock and Unlock SW Front RH
Door Lock Motor Front RH
Door Unlock Detection SW Front RH
D 14 Door Lock Motor Rear LH
Door Unlock Detection SW Rear LH
D 15 Door Lock Motor Rear RH
Door Unlock Detection SW Rear RHF 10 Front Door Speaker LH
F 11 Front Door Speaker RH
F 12 Fuel Pump
Fuel Sender
H 11 High Mounted Stop Light
I 16 Interior Light
I 17 Inner Mirror
J 10 Junction Connector
J 12 Junction Connector
J 13 Junction Connector
J 14 Junction Connector
J 18 Junction Connector
J 19 Junction Connector
L 1 License Plate light
N 2 Noise Filter (Rear Window Defogger)
O 5 Overhead J/B
P 5 Power Window Master SW with ECU
P 6 Power Window Motor Front LH
P 7 Power Window Motor Front RH
P 8 Power Window Motor Rear LH
P 9 Power Window Motor Rear RH
P 10 Power Window SW Front RH
P 11 Power Window SW Rear LH
P 12 Power Window SW Rear RH
P 13 Pretensioner LH
P 14 Pretensioner RH
P 23 Power Outlet (110V)
Page 2467 of 2572
120E5-01
A88556
Carbon Filter
Charcoal Canister Filter
VSV for CCV ECM
Charcoal Canister Refueling Valve
Restrictor Passage Vapor Pressure Sensor
Fuel Tank
Purge Line
Fresh Air Line EVAP
Service Port Purge ValveAir Cleaner 12-16
- EMISSION CONTROLEMISSION CONTROL SYSTEM (3MZ-FE)
2474 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
SYSTEM DIAGRAM
The emission control system is determined by the ECM based on signals from various sensors.