
SYSTEM INDEX
M OVERALL ELECTRICAL WIRING DIAGRAM
2005 HIGHLANDER (EWD592U)
348
SYSTEMS LOCATION SYSTEMS LOCATION
Air Conditioning (Automatic A/C) 34-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning (Manual A/C) 35-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio System (6 Speaker) 28-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio System (8 Speaker) 29-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Glare-Resistant EC Mirror 20-2. . . . . . . . . . . . . . . . . . . . . . . .
Automatic Light Control 12-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back-Up Light 9-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 27-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combination Meter 31-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control (2AZ-FE) 3-1 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control (3MZ-FE) 2-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Lock Control 18-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronically Controlled Transmission and A/T Indicator
(2AZ-FE) 14-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronically Controlled Transmission and A/T Indicator
(3MZ-FE) 13-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Control (2AZ-FE) 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Control (3MZ-FE) 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Immobilizer System 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Deicer 25-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Fog Light 12-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Wiper and Washer 23-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Garage Door Opener 10-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight (w/ Daytime Running Light) 5-2. . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight (w/o Daytime Running Light) 6-2. . . . . . . . . . . . . . . . . . . . . . . . .
Horn 8-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illumination 11-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Light 10-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Reminder 26-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Light Auto Turn Off System 26-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirror Heater 25-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Moon Roof 20-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multiplex Communication System (BEAN Bus) 20-3. . . . . . . . . . . . . . . .
Multiplex Communication System (CAN) 15-10. . . . . . . . . . . . . . . . . . . . .
Navigation System 30-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Outlet (110V) 27-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Outlet (12V) 27-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Seat (Driver's Seat) 21-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Seat (Front Passenger's Seat) 21-3. . . . . . . . . . . . . . . . . . . . . . . .
Power Source 1~36-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Window 17-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator Fan and Condenser Fan (2AZ-FE) 33-2. . . . . . . . . . . . . . . . . .
Radiator Fan and Condenser Fan (3MZ-FE) 32-2. . . . . . . . . . . . . . . . . .
Rear Heater 36-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Window Defogger 25-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Wiper and Washer 23-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Control Mirror 24-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Belt Warning 26-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Heater 22-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Lock 24-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS 16-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Light 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Taillight 7-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft Deterrent System 19-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Pressure Warning System 15-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer Towing 22-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Hazard Warning Light 8-2. . . . . . . . . . . . . . . . . . . . . . . . . .
VSC 15-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wireless Door Lock Control 18-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

L
CodePart Name Part NumberCodePart Name Part Number
2005 HIGHLANDER (EWD592U)
345
S28Short Connector90980-12366
S29Short Connector90980-12365
S30Short Connector90980-10859
S31Short Connector90980-10860
S32Side Airbag Sensor Rear LH90980-12225S33Side Airbag Sensor Rear RH90980-12225
T 1Theft Deterrent Horn90980-10619
T 3Turbine Speed Sensor90980-1 1156
T 4Theft Deterrent ECU90980-12169
T 5Theft Deterrent Indicator Light90980-12063
T 6TRAC Off SW90980-1 1013
T 7Transponder Key Amplifier90980-12092
T 8Turn Signal Flasher90980-10799
T 9Towing Converter90980-1 1527
T10Trailer Hitch90980-10794
T11Tweeter LH90980-1 1013T12Tweeter RH90980-1 1013
T13Throttle Control Motor90980-1 1858T13Throttle Position Sensor90980-11858
T14Transponder Key Computer90980-1 1911
T15Telltale Light Assembly
Indicator Light Wire Sub Assembly90980-12221T16Transmission Control SW90980-12221
Transmission Shift Main SW
V 2VSV (ACIS No.2)90980-1 1149
V 4VSV (EVAP)90980-1 1156V 5VSV (ACM)90980-11156
V 6VVT Sensor LH90980-10947V 7VVT Sensor RH90980-10947
V 8VSC Warning Buzzer90980-10906
V9Garage Door OpenerV 9Vanity Light LH90980-1 1369
V10Vanity Light RH
V11Vapor Pressure Sensor90980-1 1860
V13Video Terminal90980-12221
V14VSV (Canister Closed Valve)90980-1 1859
V15Voltage Inverter90980-10799
W 1Washer Level Sensor90980-1 1068
W 3Water Temp. SW No.190980-1 1235
W 4Water Temp. SW No.290980-1 1243
W 5Wireless Door Lock Buzzer90980-1 1142
W 6Wireless Door Lock ECU90980-1 1909
Y 1Yaw Rate Sensor90980-1 1904
![TOYOTA HIGHLANDER 2001 Service Repair Manual 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 TOYOTA HIGHLANDER 2001 Service Repair Manual 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](/manual-img/14/57457/w960_57457-2335.png)
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
![TOYOTA HIGHLANDER 2001 Service Repair Manual 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 TOYOTA HIGHLANDER 2001 Service Repair Manual 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](/manual-img/14/57457/w960_57457-2337.png)
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

2005 HIGHLANDER (EWD592U)
43
G
Position of Parts in Instrument Panel
F 8 Front Power Outlet
G 4 Glove Box Light
G 5 Gateway ECU
H 9 Heater Relay
H 10 Heated Oxygen Sensor (Bank 1 Sensor 2)
I 14 Ignition Key Cylinder Illumination
I 15 Ignition SW
J 5 Junction Connector
J 6 Junction Connector
J 7 Junction Connector
J 16 Junction Connector
J 17 Junction Connector
J 20 Junction Connector
K 4 Key Interlock Solenoid
Unlock Warning SW
M 2 Main SW
M 3 Multi-Display
M 4 Multi-Display
M 5 Multi-Display
N 3 Navigation ECU
N 4 Navigation ECU
O 3 Option Connector 1
O 4 Option Connector 2P 3 Parking Brake SW
P 22 Pressure SW
R 2 Radio and Player
R 3 Radio and Player
R 4 Radio and Player
R 5 Remote Control Mirror SW
R 6 Room Temp. Sensor
R 22 Radio and Player
R 23 Radio and Player
R 24 Rear Heater Main SW
S 3 Seat Heater SW LH
S 4 Seat Heater SW RH
S 5 Shift Lock ECU
S 14 Steering Sensor
S 15 Stop Light SW
S 28 Short Connector
S 29 Short Connector
S 30 Short Connector
S 31 Short Connector
T 4 Theft Deterrent ECU
T 5 Theft Deterrent Indicator Light
T 6 TRAC Off SW
T 7 Transponder Key Amplifier
T 8 Turn Signal Flasher
T 14 Transponder Key Computer
T 15 Telltale Light Assembly
T 16 Indicator Light Wire Sub Assembly
Transmission Control SW
Transmission Shift Main SW
V 8 VSC Warning Buzzer

2005 HIGHLANDER (EWD592U)
324
J POWER SOURCE (Current Flow Chart)
Engine Room R/B (See Page 22)
FuseSystemPage
7.5ACRTAudio System (8 Speaker)
Navigation System272
266
7.5ASTARTER
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Starting and Ignition88
74
66
10AEFI NO.2Engine Control (2AZ-FE)
Engine Control (3MZ-FE)88
74
10AETCS
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)88
74
172
164
15AH-LP LH LWRHeadlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)11 8
122
15AH-LP RH LWR
Combination Meter
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)282
11 8
122
15ARR HTRRear Heater312
25AA/FEngine Control (3MZ-FE)74
Engine Room Room R/B No.3 (See Page 23)
FuseSystemPage
7.5ADRLHeadlight (w/ Daytime Running Light)11 8
Fusible Link Block (F 7 on See Page 25)
FuseSystemPage
30AABS1VSC and Tire Pressure Warning System180
30AAM2Starting and Ignition66
30ACDSRadiator Fan and Condenser Fan (2AZ-FE)
Radiator Fan and Condenser Fan (3MZ-FE)294
290
30ARDIRadiator Fan and Condenser Fan (2AZ-FE)
Radiator Fan and Condenser Fan (3MZ-FE)294
290
30ARR DEFRear Window Defogger252
50AABS2VSC and Tire Pressure Warning System180
50AHTRAir Conditioning (Automatic A/C)
Air Conditioning (Manual A/C)298
304
140AALT
Automatic Light Control
Charging
Illumination
Light Auto Turn Off System
Power Outlet
Power Seat (Driver's Seat)
Radiator Fan and Condenser Fan (2AZ-FE)146
70
142
148
246
234
294
*These are the page numbers of the first page on which the related system is shown.