
I GROUND POINT
W- B W- B A A W- B W- B
FRONT PARKING A B
LIGHT LH
W- B W- B A A W- B W- B
FRONT PARKING A B ENGINE HOOD
LIGHT RH (* 5) (* 5) COURTESY SW
W- B W- B A A W- B W- B
FRONT TURN SIGNAL A B (GND1)
LIGHT LH
VSC
A A ACTUATOR
FRONT TURN SIGNAL W- B W- B W- B W- B
A B (PHG)
LIGHT RH
W- B W- B A A W- B W- B
HEATER RELAY 2 A B 2 EFI RELAY
W- B W- B A
PWR OUTLET RELAY 2 A
W- B W- B J1 A , J2 B
FRONT FOG LIGHT LH E2 JUNCTION CONNECTOR
W- B W- B
W- B 2 STARTER RELAY
FRONT FOG LIGHT RH
EB W- B W- B TAILGATE CONTROL
SW
W- B W- B LICENSE PLATE
LIGHT
BACK DOOR W- B W- B W- B REAR WINDOW
(GND) B9
ECU DEFOGGER
W- B
W- B W- B W- B BACK DOOR UNLOCK
REAR WIPER MOTOR
(*5) (* 5) DETECTION SW
BACK WINDOW LIMIT W- B W- B W- B
B9
SW
BACK DOOR COURTESY W- B W- B 3 BS1
SW
W- B
W- B W- B HIGH MOUNTED
* 1 : W/ POWER WINDOW * 7 : W/ WASHER LEVEL WARNING SW B9
STOP LIGHT
* 2 : W/O POWER WINDOW * 8 : W/ MIRROR HEATER
* 3 : W/ DAYTIME RUNNING LIGHT
W- B
* 4 : W/ POWER SEAT W- B TRAILER
* 5 : W/ THEFT DETERRENT SYSTEM CONVERTER
* 6 : W/ MOON ROOF 3 BR1
W- B
FUEL PUMP
W- B
TRAILER SOCKET
9
W- B W- B
W- B
W- B
W- B
B8 IE1
W- B
W- B
IGNITER BR HEATED OXYGEN
SENSOR
(BANK 1 SENSOR 2)
W- B BH
(E01)
BR
BR
DATA LINK
CONNECTOR 1
W- B
(E02)
BR BR
I20 NOISE FILTER
ENGINE W- B
CONTROL (E03) BR
MODULE (E1) ENGINE CONTROL
MODULE
BR
W- B
(E04) 3
BR CRUISE CONTROL SW
II4
[COMB. SW]
W- B
(ME01) 18
BR BR DATA LINK
II4 (SG)
CONNECTOR 3
EC
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21
W- B W- B W- B W- B W- B
IG1
POWER OUTLET W- B W- B W- B W- B
I10
FRONT LH
W- B W- B W- B W- B
W- B
POWER OUTLET
FRONT RH (*4) (*4)
2
COMBINATION W- B W- B W- B
I10 BY2
METER (*4)
W- B W- B
W- B
W- B
W- B
(* 4)
DATA LINK (CG) POWER SEAT CONTROL
CONNECTOR 3 6 BY2 W- B
SW
(* 4) (DRIVER' S SEAT
W- B W- B LUMBAR SUPPORT)
AUTO ANTENNA I10
CONTROL RELAY
W- B POWER SEAT CONTROL
W- B B10
POWER WINDOW (* 4) SW (DRIVER' S SIDE)
CONTROL SW FRONT RH
W- B
(* 4)
(* 1)
W- B W- B SEAT HEATER
W- B
DOOR LOCK CONTROL B5 (DRIVER' S
SW FRONT RH (* 4) SEAT BACK)
W- B
W- B
DOOR KEY LOCK AND
UNLOCK SW FRONT RH W- B
BUCKLE SW LH
(* 4)
6
DOOR UNLOCK W- B W- B W- B W- B
DETECTION SW B5 IK1 I10 I11 RHEOSTAT
FRONT RH
W- B W- B WASHER LEVEL
W- B
(* 3) I11
(*3) (* 7) WARNING SW
MIRROR HEATER RH W- B
[REMOTE CONTROL W- B
W- B
MIRROR RH] (* 8) DAYTIME RUNNING
(* 3) LIGHT RELAY (MAIN)
W- B DAYTIME RUNNING
(* 3) LIGHT RELAY NO. 4
16
REMOTE CONTROL W- B W- B W- B
IF1 I10
MIRROR SW (* 1) (* 1)
W- B
W- B
MOON ROOF CONTROL
RELAY AND SW (* 6)
A
2
PERSONAL LIGHT W- B W- B W- B A
[MOON ROOF CONTROL B3 IH1 W- B W- B
RELAY AND SW] (* 6) (* 6) (*6) GLOVE BOX LIGHT
MOON ROOF CONTROL W- B W- B
CIGARETTE LIGHTER
MOTOR AND LIMIT SW (* 6)
W- B W- B A W- B
VSC ECU (GND4) I13 CLOCK
W- B W- B A
J4 W- B FRONT AND REAR
W- B
JUNCTION WIPER AND WASHER
CONNECTOR SW [COMB. SW]
DOOR LOCK CONTROL W- B
SW FRONT LH (* 2)
A W- B W- B W- B UNLOCK WARNING
I13
SW
1
MIRROR HEATER LH W- B W- B W- B A
[REMOTE CONTROL B1 IF2
MIRROR LH] (* 8)
W- B REAR WINDOW
W- B
DEFOGGER SW
W- B
IE [CENTER CLUSTER SW]
POWER WINDOW W- B
MASTER SW (* 1)
W- B W- B COMBINATION
I13 (EL)
DOOR KEY LOCK AND W- B SW
B1
UNLOCK SW FRONT LH
W- B
DOOR UNLOCK W- B
DETECTION SW W- B
FRONT LH
2002 4RUNNER (EWD471U)
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I GROUND POINT
11
W- B W- B
3E
20
W- B W- B
3E
12 19
W- B W- B W- B
3E 3C SEAT HEATER SW LH
(*4) (*4)
15 20
W- B W- B W- B
3C 3C SEAT HEATER SW RH
(*4) (*4)
18
W- B
3C 3
(*4) W- B W- B DOOR UNLOCK
POWER SEAT CONTROL W- B BW1 DETECTION SW REAR
SW 22 (* 5) (* 5) LH
(FRONT PASSENGER' S (* 4) 5 IL1
SIDE) 3C
W- B
W- B
(*4)
(*4)
3
W- B W- B DOOR UNLOCK
SEAT HEATER 2 I13 BX1 DETECTION SW REAR
(FRONT PASSENGER' S W- B W- B (* 5) (* 5)
B11 BU2 RH
SEAT BACK)
W- B
(* 4)
15 13
W- B W- B W- B
BUCKLE SW LH 3E 3E I11 (EOM) ENGINE CONTROL
(W/O POWER SEAT) (* 5) MODULE
W- B
2- 4 SELECT SW W- B SECURITY
INDICATOR LIGHT
18 (*5) [CENTER CLUSTER SW]
W- B C C W- B W- B
4WD ECU I10 3E
C C J3
CENTER DIFF. LOCK W- B JUNCTION
W- B
SW CONNECTOR
14
W- B W- B STEERING
3E I10
3 II2 SENSOR
W- B
W- B
TRAC OFF SW
DETECTION SW W- B
(TRANSFER 4WD I20 W- B
POSITION) GARAGE DOOR
OPENER
W- B
DETECTION SW W- B W- B
(TRANSFER H4L B2 VANITY LIGHT RH
POSITION)
2
W- B
W- B 1A FLASH RELAY
2- 4 SELECT MOTOR I20
21 8
W- B
W- B
3E 1J (GND) BODY ECU
DETECTION SW W- B
(TRANSFER L4 I20
POSITION)
PWR RELAY
W- B
DETECTION SW W- B
(TRANSFER NEUTRAL
22
POSITION) 4 ED2 W- B W- B KEY INTERLOCK
3E I12 SOLENOID
[UNLOCK WARNING SW]
W- B
W- B
ADD ACTUATOR
A/C DUAL W- B W- B O/D MAIN SW
I18 [SHIFT LOCK
PRESSURE SW (* 10) CONTROL COMPUTER]
17
AIR VENT MODE W- B W- B
I12 3E W- B
CONTROL SERVO MOTOR (* 10) (* 10) SHIFT LOCK CONTROL
COMPUTER
W- B
A/C AMPLIFIER 19
(* 10) W- B W- B REMOTE CONTROL
3E I6
(*2) (* 2) MIRROR SW
AIR VENT MODE W- B W- B
I14 W- B
CONTROL SERVO MOTOR (* 11) (* 11) BACK WINDOW
(* 2) LOCK SW
W- B
A/C AMPLIFIER 16
(* 11) W- B W- B
3E
W- B W- B
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* 2 : W/O POWER WINDOW
* 4 : W/ POWER SEAT
* 5 : W/ THEFT DETERRENT SYSTEM
* 9 : SEPARATE TYPE AMPLIFIER
*10 : AUTOMATIC AIR CONDITIONING
*11 : MANUAL AIR CONDITIONING
*12 : BUILT- IN TYPE AMPLIFIER
BR BR CENTER AIRBAG
(E2)
SENSOR ASSEMBLY
BR BR
(E3)
COMBINATION
RADIO AND PLAYER METER
(* 12) OR STEREO BR BR BR BR
I9 (E2)
POWER AMPLIFIER
(* 9)
ID BR TRANSPONDER KEY
(* 5) AMPLIFIER
W- B W- B
POWER OUTLET(REAR)
6
W- B W- B W- B
BUCKLE SW RH BU2 BUCKLE SW RH
(W/O POWER SEAT) (* 4) (* 4)
BJ
CENTER AIRBAG BR BR W- B
(E1) (GND2)
SENSOR ASSEMBLY
VSC
IG ACTUATOR
W- B
(PLG)
W- B
(GND1)
REAR HEATER W- B VSC ECU
BLOWER SW W- B
(GND2)
REAR HEATER W- B W- B
B6 W- B
BLOWER RESISTOR BRAKE FLUID LEVEL
WARNING SW
REAR HEATER W- B
RELAY
3 BP1
W- B
EA
14 IL1
W- B
W- B W- B
BLOWER RESISTOR
(* 11) (* 11)
A
1
A W- B W- B A/C MAGNETIC
IJ1
(* 10) (* 10) CLUTCH RELAY
W- B W- B A A W- B W- B
VSC ECU (GND3) BLOWER SW
(* 11) (* 11)
W- B W- B EXTRA HIGH
I21
(* 10) (* 10) SPEED RELAY
W- B BLOWER MOTOR
W- B W- B A J9
(* 10) LINEAR CONTROLLER
JUNCTION
CONNECTOR
W- B W- B A
IF
2002 4RUNNER (EWD471U)
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I GROUND POINT
: PARTS LOCATION
Code See Page Code See Page Code See Page
J1 A 29 J3 31 J9 31
J2 B 29 J4 31
: RELAY BLOCKS
Code See Page Relay Blocks (Relay Block Location)
2 22 Engine Room R/B (Engine Compartment Left)
,,,
,,, : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
,,,
Code See Page Junction Block and Wire Harness (Connector Location)
1A 24 Roof Wire and Driver Side J/B (Lower Finish Panel)
1J 24 Cowl Wire and Driver Side J/B (Lower Finish Panel)
3C
26 Cowl Wire and Center J/B (Near the Steering Column Tube)
3E
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
ED2 36 Engine Wire and Differential Wire (Near the Front Differential)
IE1 38 Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IF1
38 Front Door LH Wire and Cowl Wire (Left Kick Panel)
IF2
IG1 38 Engine Room Main Wire and Cowl Wire (Left Kick Panel)
IH1 40 Roof Wire and Cowl Wire (Instrument Panel Reinforcement Left)
II2
40 Engine Wire and Cowl Wire (On the Glove Box)
II4
IJ1 40 Cowl Wire and A/C Sub Wire (Near the A/C Unit)
IK1 40 Front Door RH Wire and Cowl Wire (Right Kick Panel)
IL1 40 Cowl Wire and Floor Wire (Right Kick Panel)
BP1 42 Floor Wire and Rear Heater Sub Wire (Under the Front Passenger's Seat)
BR1 42 Back Door No.1 Wire and Floor No.2 Wire (Left Rear Side of Roof)
BS1 42 Back Door No.1 Wire and Back Door No.2 Wire (Back Door Left)
BU2 44 Floor Wire and Seat No.2 Wire (Under the Front Passenger's Seat)
BW1 42 Rear Door LH Wire and Cowl Wire (Left Center Pillar)
BX1 42 Rear Door RH Wire and Cowl Wire (Right Center Pillar)
BY2 44 Cowl Wire and Seat No.1 Wire (Under the Driver's Seat)
: GROUND POINTS
Code See Page Ground Points Location
EA 36 Front Right Fender
EB 36 Front Left Fender
EC 36 Intake Manifold Left
ID 38 Left Kick Panel
IE 38 Cowl Side Panel LH
IF 38 Cowl Side Panel RH
IG 38 Right Kick Panel
BH 42 Left Quarter Panel Inner
BJ 42 Right Quarter Panel Inner
2002 4RUNNER (EWD471U)
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: SPLICE POINTS
Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points
E2 36 Engine Room Main Wire I21 40 Cowl Wire
I6 B1 42 Front Door LH Wire
I9 B2
42 Roof Wire
I10 B3
I11 B5 42 Front Door RH Wire
40 Cowl Wire
I12 B6 42 Rear Heater Sub Wire
I13 B8 42 Floor No.2 Wire
I14 B9 42 Back Door No.2 Wire
I18 B10 44 Seat No.1 Wire
I20 40 Engine Wire B11 44 Seat No.2 Wire
2002 4RUNNER (EWD471U)
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