
POWER SOURCE
20A FOG
G2
GENERATOR 1 2 R- B W- R
7
B 25A ABS NO. 3 W
1
1 2 W
7
25A ABS NO. 2
1 2 W- G
7 4
B 1 2 B- R B- R
4 4
30A PWR SLD
1 2 L- W 3 5 2
7
FRONT HEATER
40A Rr CLR RELAY B3
BLOWER
1 2 L- W MOTOR
7 MAIN NO. 2 RELAY
5 3
60A ABS
B- G 1 2 W 1 2
7 7 1 1
4
L- B
(* 1)
1
B- R 2H
(* 1)
W
B
(* 1)
2 2L B- R 1 2
2 2B
40A CDS (* 1)
(*2) 30A CDS (* 2)
2 2D 1 IK7 4
1 2 1 2
B- R(* 1)
W- R
B- G
B- R
L- B
W
B
3 5 40A RDI (*1)
30A RDI (*2)
MAIN NO. 1 RELAY
2 A 1 B 4 A 6 A 5 A 3 A
15A EFI
10A HAZARD
FUSIBLE LINK BLOCK
40A RR A/C
140A ALT
100A INP
50A HTR
F8 A , F9 B
20A RADIO NO. 1
10A HORN
30A AM2 4
W
2L
1 A SHORT PIN 1
1 2 10A ECU- B
B- L
10A DOME
5A ALT- S
FL MAIN HEAD RELAY
3 3
3. 0W W 1 2 1 2 R- B
2B 2G
25A A/F HTR
40A MAIN 4 3
1
L 2 1 L
1 1 2A 4
R- W
2G
BATTERY
20A S/HTR 15A HEAD RH
L
L- W 2 1
1 1
15A HEAD LH
2001 SIENNA (EWD420U)
52
4 10A TAIL
W- R W- R 5 3
I4 1B
25A DOOR 7. 5A PANEL
W 1 2
2 15A STOP
W- R
1B
7. 5A OBD TAILLIGHT RELAY
1 2
30A POWER
1 2 5 3
B- R 1 2 Y- G 15A PWR- VENT
5 5 POWER RELAY
30A DEF
5A A/C 1 2 5 3
10A
MIRROR- HEATER
1 2
* 1 : TOWING PACKAGE 15A PWR- OUTLET DEFOGGER RELAY
* 2 : EXCEPT TOWING PACKAGE
40A AM1
1
W 1 2
1B
2
W- L
1K
15A CIG
6 7. 5A RADIO- NO. 2
ACC 3 L
1K
1 15A ECU- IG
2 AM1 IG1 4 B- Y
1K
10A HEATER
10A GAUGE
7 AM2 IG2 6 B- R
25A WIPER
ST2 8
7. 5A TURN
3
R
5A IGN
I12 1K
IGNITION SW
4 5A STARTER
1K
5
W- R
1K
5
W
1B
10A H- LP RH LO
R- B DIM RELAY
3 4 R 1 2 R- W
7 7 7 7
J1
JUNCTION 5 R- W
R- B
CONNECTOR 7
10A H- LP LH LO
R- B B B 1 2 R- Y
7 7 1 3 R
7
R- W
2001 SIENNA (EWD420U)
53
POWER SOURCE
SERVICE HINTS
HEAD RELAY
2-1 : Closed with the light control SW at HEAD position or the dimmer SW at FLASH position
Closed with the engine running and the parking brake pedal released (Parking brake SW off)
TAILLIGHT RELAY
5-3 : Closed with the light control SW at TAIL or HEAD position
I12 IGNITION SW
2-3 : Closed with the ignition key at ACC or ON position
2-4 : Closed with the ignition key at ON or ST position
7-6 : Closed with the ignition key at ON or ST position
7-8 : Closed with the ignition key at ST position
: PARTS LOCATION
Code See Page Code See Page Code See Page
B3 34 F9 B 32 I12 35
F8 A 32 G2 32 J1 33
: RELAY BLOCKS
Code See Page Relay Blocks (Relay Block Location)
1 28 Engine Room R/B No.1 (Engine Compartment Left)
4 29 Passenger Side R/B No.4 (Front Side the Blower Motor)
5 29 Driver Side R/B No.5 (Lower Finish Panel)
7 29 R/B No.7 (Engine Compartment Left)
,,,
,,, : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
,,,
Code See Page Junction Block and Wire Harness (Connector Location)
1B
22 Cowl Wire and Driver Side J/B No.1 (Lower Finish Panel)
No 1
1K
2A
2B
2D 24 g
Engine Room Main Wire and Engine Room J/B No.2 ( g
g (Engine Compartment Left)
)
2G
2H
2L 24 Cowl Wire and Engine Room J/B No.2 (Engine Compartment Left)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IK7 44 Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
: SPLICE POINTS
Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points
I4 44 Cowl Wire
2001 SIENNA (EWD420U)
54
MEMO
2001 SIENNA (EWD420U)
55