POWER SOURCE

1 6
W 1 2 W−L
1L 1C
40A AM1
15A CIG 1
P
1C
25A PWR NO. 1
B−W

L−W

B−R

15A AC INV.

3 3 3
25A PWR NO. 2

2 2 2
30A BATT CHARGE
30A TOWING TAIL

30A TOWING BRK

15A FOG ACC RELAY

7. 5A RAD NO. 2
2 1

7. 5A OBD
15A POWER OUTLET
3 5 W−R
1 1 1

15A SEAT HTR

3

15A STOP
1 2C

25A SUN ROOF

25A AM2
1 2

30A PWR NO. 5

30A ST

1 2
TO SKID CONTROL ECU

30A PWR SEAT 20A PWR NO. 3

20A RAD NO. 3
WITH ACTUATOR

TO GENERATOR

POWER MAIN RELAY

20A PWR NO. 4
5 3

10A HORN

1 2
7. 5A PANEL

20A EFI NO. 1

TAILLIGHT RELAY
15A TAIL
3 5
B−R

10A ETCS
2 1

1 3 9 SHORT PIN
30A RR HEATER

25A CDS FAN

40A HEATER
40A DEFOG
140A ALT
60A ABS

F10 20A TURN−HAZ

FUSIBLE LINK
BLOCK

30A TOWING

4 2 5 6 8 7
W−L TO CDS FAN
RELAY
7. 5A ALT−S
L−R TO HEATER
B

RELAY
R TO RR
HEATER
RELAY
1 2
2
2G 30A DOOR NO. 2
15A MIR HTR
1
B 1 2
2D
BATTERY

40A MAIN

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2004 SEQUOIA (EWD541U)
 * 1 : W/ DAYTIME RUNNING LIGHT
* 2 : W/O DAYTIME RUNNING LIGHT 20A 4WD
W−L

10A ECU−IG
P

15A GAUGE

25A WIP

ACC 3 P

4 10A HTR
W−L 1 AM1 IG1 2 B−Y
1C

25A WSH

7 3 2 20A IGN2
W−R W−R 5 AM2 IG2 6 B−R
1J 1C 1C
ST2 4
10A IGN1
B−W

I18
IGNITION SW

5 1C

8 1J
B−R

B−R 1 2 B
2 2

J3
JUNCTION 7. 5A STA
CONNECTOR
B L−Y 1 2 L−R
3 3

B
7. 5A RSE
EFI RELAY
10A EFI NO. 2
5 3
1 2 L
2
(* 1)
1 2
L−Y

10A H−LP RL

W 1 2 G−W
2 2 2
10A DOME (* 1) (* 1)

10A H−LP LL
25A RAD NO. 1 3 2
1 R−W
2B 2
(* 1)
7. 5A ECU−B
10A H−LP RH
4
L 3 5 R−B 1 2 R−L
2 2 2 2
(* 1) (* 1) (* 1)
1 1 2
L R 10A H−LP LH
2G 2 2
(* 1) (* 1)
15A DRL (* 1) DIMMER RELAY

15A H−LP LH (* 2)

HEAD RELAY
15A H−LP RH (* 2)
5 3

1 2

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2004 SEQUOIA (EWD541U)
POWER SOURCE
SERVICE HINTS
HEAD RELAY
5−3 : Closed with the light control SW at HEAD position or dimmer SW at FLASH position
: Closed with the engine running and the parking brake pedal released (w/ daytime running light)
I18 IGNITION SW
1−3 : Closed with the ignition key at ACC or ON position
1−2 : Closed with the ignition key at ON or ST position
5−6 : Closed with the ignition key at ON or ST position
5−4 : Closed with the ignition key at ST position
DIMMER RELAY (w/ DAYTIME RUNNING LIGHT)
3−5 : Closed with the HEAD relay on and dimmer SW at HIGH or FLASH position

: PARTS LOCATION
Code See Page Code See Page Code See Page
F10 36 I18 39 J3 37

: RELAY BLOCKS

Code See Page Relay Blocks (Relay Block Location)

2 22 Engine Room R/B No.2 (Engine Compartment Left)
3 23 Engine Room R/B No.3 (Engine Compartment Left)
;;; : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
;;;
;;;
Code See Page Junction Block and Wire Harness (Connector Location)
1C 29 Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
1J
29 Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
1L
2B
2C
25 Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2D
2G

60
2004 SEQUOIA (EWD541U)
 MEMO

61
2004 SEQUOIA (EWD541U)