Page 2339 of 2572
2005 HIGHLANDER (EWD592U)
41
G
Position of Parts in Engine Compartment
[2AZ-FE]
I 2 Ignition Coil and Igniter No.1
I 3 Ignition Coil and Igniter No.2
I 4 Ignition Coil and Igniter No.3
I 5 Ignition Coil and Igniter No.4
I 8 Injector No.1
I 9 Injector No.2
I 10 Injector No.3
I 11 Injector No.4
J 1 Junction Connector
J 2 Junction Connector
J 3 Junction Connector
J 4 Junction Connector
K 1 Knock Sensor (Bank 1)
M 1 Mass Air Flow Meter
N 1 Noise Filter (Ignition System)
O 1 Oil Pressure SWP 1 A/T Indicator SW
Back-Up Light SW
Park/Neutral Position SW
P 2 Power Steering Oil Pressure SW
R 1 Radiator Fan Motor
R 21 Rear Washer Motor
S 1 Starter
S 2 Starter
S 27 Skid Control ECU with Actuator
T 3 Turbine Speed Sensor
T 13 Throttle Control Motor
Throttle Position Sensor
V 4 VSV (EVAP)
W 1 Washer Level Sensor
W 5 Wireless Door Lock Buzzer
Page 2340 of 2572

2005 HIGHLANDER (EWD592U)
42
G ELECTRICAL WIRING ROUTING
Position of Parts in Instrument Panel
A 10 A/C Control Assembly
A 11 A/C Control Assembly
A 12 A/C Solar Sensor
A 13 Air Inlet Control Servo Motor
A 14 Air Mix Control Servo Motor
A 15 Air Vent Mode Control Servo Motor
A 16 Airbag Sensor Assembly
A 17 Airbag Sensor Assembly
A 18 Airbag Sensor Assembly
A 19 Airbag Squib (Front Passenger Airbag Assembly)
A 20 Airbag Squib (Steering Wheel Pad)
A 21 Antenna Amplifier (Front)
A 22 Ashtray Illumination
A 23 Automatic Light Control Sensor
A 27 Accel Position Sensor
B 5 Blower Control SW
B 6 Blower Motor
B 7 Blower Motor Control
B 8 Blower Resister
B 9 Body ECU
B 10 Body ECU
B 11 Body ECU
B 12 Body ECU
B 13 Brake Pedal Load Sensing SWC 9 Cigarette Lighter
C 10 Cigarette Lighter Illumination
C 11 Combination Meter
C 12 Combination Meter
C 13 Combination SW
C 14 Combination SW
C 16 Combination SW
D 2 Diode (Cooling Fan)
D 3 Data Link Connector 3
D 16 Diode (Rear Wiper)
E 4 Electronically Controlled Transmission Pattern
Select SW
E 5 Engine Control Module
E 6 Engine Control Module
E 7 Engine Control Module
E 8 Engine Control Module
E 9 Engine Control Module
E 12 Evaporator Temp. Sensor
Page 2348 of 2572

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.
Page 2349 of 2572

2005 HIGHLANDER (EWD592U)
325
J
FuseSystemPage
140AALT
Radiator Fan and Condenser Fan (3MZ-FE)
Starting and Ignition
Taillight
Theft Deterrent System290
66
128
208
Engine Room J/B (See Page 26)
FuseSystemPage
7.5AALT-SCharging70
7.5AECU-B
Air Conditioning (Automatic A/C)
Air Conditioning (Manual A/C)
Automatic Light Control
Charging
Combination Meter
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Door Lock Control
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Engine Immobilizer System
Front Fog Light
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)
Interior Light
Key Reminder and Seat Belt Warning
Light Auto Turn Off System
Moon Roof
Navigation System
Power Window
SRS
Theft Deterrent System
VSC and Tire Pressure Warning System
Wireless Door Lock Control298
304
146
70
282
172
164
194
11 0
102
88
74
100
126
11 8
122
136
226
148
216
266
188
155
208
180
200
10ADOME
Combination Meter
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Garage Door Opener
Illumination
Interior Light282
172
164
11 0
102
88
74
250
142
136
*These are the page numbers of the first page on which the related system is shown.
Page 2350 of 2572

2005 HIGHLANDER (EWD592U)
326
J POWER SOURCE (Current Flow Chart)
FuseSystemPage
10ADOME
Key Reminder and Seat Belt Warning
Navigation System
Theft Deterrent System
VSC and Tire Pressure Warning System
Wireless Door Lock Control226
266
208
180
200
10AH-LP LH UPRHeadlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)11 8
122
10AH-LP RH UPRHeadlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)11 8
122
10AHORNHorn
Theft Deterrent System242
208
15AHAZARDTrailer Towing
Turn Signal and Hazard Warning Light152
130
15ASECURITYTheft Deterrent System208
20AEFI NO.1
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)172
164
11 0
102
88
74
20APOWER OUTLET2Power Outlet246
20ATOWINGTrailer Towing152
25ADOOR LOCK
Door Lock Control
Theft Deterrent System
Wireless Door Lock Control194
208
200
25ARAD NO.1Audio System (6 Speaker)
Audio System (8 Speaker)280
272
40AMAIN
Automatic Light Control
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)
Light Auto Turn Off System
Theft Deterrent System146
11 8
122
148
208
instrument Panel J/B (See Page 28)
FuseSystemPage
7.5AIG1
Automatic Glare-Resistant EC Mirror
Automatic Light Control
Back-Up Light
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Door Lock Control
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Front Fog Light264
146
134
172
164
194
11 0
102
126
*These are the page numbers of the first page on which the related system is shown.
Page 2351 of 2572

2005 HIGHLANDER (EWD592U)
327
J
FuseSystemPage
7.5AIG1
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)
Interior Light
Key Reminder and Seat Belt Warning
Light Auto Turn Off System
Mirror Heater and Front Deicer
Moon Roof
Navigation System
Power Outlet
Power Window
Seat Heater
SRS
Theft Deterrent System
Trailer Towing
Turn Signal and Hazard Warning Light
Wireless Door Lock Control11 8
122
136
226
148
254
216
266
246
188
256
155
208
152
130
200
7.5AOBDEngine Control (2AZ-FE)
Engine Control (3MZ-FE)88
74
7.5APANELIllumination142
7.5ARAD NO.2
Air Conditioning (Automatic A/C)
Air Conditioning (Manual A/C)
Audio System (6 Speaker)
Audio System (8 Speaker)
Automatic Light Control
Door Lock Control
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)
Interior Light
Key Reminder and Seat Belt Warning
Navigation System
Power Window
Remote Control Mirror
Shift Lock
Theft Deterrent System
Wireless Door Lock Control298
304
280
272
146
194
11 8
122
136
226
266
188
240
232
208
200
10AECU-IG
Charging
Navigation System
Shift Lock
Theft Deterrent System
VSC and Tire Pressure Warning System70
266
232
208
180
10AHEATER
Air Conditioning (Automatic A/C)
Air Conditioning (Manual A/C)
Charging
Combination Meter298
304
70
282
*These are the page numbers of the first page on which the related system is shown.
Page 2352 of 2572

2005 HIGHLANDER (EWD592U)
328
J POWER SOURCE (Current Flow Chart)
FuseSystemPage
10AHEATER
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Interior Light
Key Reminder and Seat Belt Warning
Mirror Heater and Front Deicer
Navigation System
Radiator Fan and Condenser Fan (2AZ-FE)
Radiator Fan and Condenser Fan (3MZ-FE)
Rear Heater
Rear Window Defogger
SRS
VSC and Tire Pressure Warning System172
164
11 0
102
88
74
136
226
254
266
294
290
312
252
155
180
10AIGN
Combination Meter
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Engine Immobilizer System
SRS
VSC and Tire Pressure Warning System282
172
164
11 0
102
88
74
100
155
180
10ATAIL
Front Fog Light
Taillight
Trailer Towing126
128
152
15ACIGCigarette Lighter244
15AIG2
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Starting and Ignition88
74
66
15APWR OUTLET1Power Outlet246
15ARR WIPRear Wiper and Washer224
15ASEAT HTRSeat Heater256
20AD RR DOORPower Window188
20AFR DEFMirror Heater and Front Deicer254
20AFR FOGFront Fog Light126
20AP FR DOOR
Door Lock Control
Interior Light
Power Window194
136
188
*These are the page numbers of the first page on which the related system is shown.
Page 2353 of 2572
2005 HIGHLANDER (EWD592U)
329
J
FuseSystemPage
20AP FR DOORTheft Deterrent System
Wireless Door Lock Control208
200
20AP RR DOORPower Window188
20AS/ROOFMoon Roof216
20ASTOP
Cruise Control (2AZ-FE)
Cruise Control (3MZ-FE)
Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
Engine Control (2AZ-FE)
Engine Control (3MZ-FE)
Shift Lock
Stop Light
Trailer Towing
VSC and Tire Pressure Warning System172
164
11 0
102
88
74
232
132
152
180
20AWASHERFront Wiper and Washer
Rear Wiper and Washer220
224
25AD FR DOORInterior Light
Power Window136
188
25AWIPERFront Wiper and Washer220
30APOWERPower Seat (Driver's Seat)
Power Seat (Front Passenger's Seat)234
238
40AAM1Power Outlet
Starting and Ignition246
66
*These are the page numbers of the first page on which the related system is shown.