
STARTING AND IGNITION
7 AM2 IG2 6 B- R B- R
ST2 8 R R
I12 4 1K
IGNITION SW
W- R
5A
STARTER
5 1K
3 1J
5 1B
B- W
W
4 2L
11
GR
2 2J
5 1
30A 40A ST
AM2 MAIN RELAY
1 3 2 CONNECTOR
3 2B 5 2D 9 2K F C
JUNCTION
J7 C B- W
JUNCTION
W- B
CONNECTOR
J6
F C
W
B- W
8 IG1
GR
1
B- R
11 IH1
F8
B- W
FUSIBLE LINK
BLOCK W- B
5
P P1
7 1G PARK/NEUTRAL
B- L
POSITION SW
N
3 IH1
6
B- W
4 1V
GR
GR
FL MAIN W- B
3. 0W
1 A
B- R 1
20 B
B
NSW
W- B
M
BATTERY E 9 B , E12 E
S1 A , S2 B ENGINE CONTROL
W- B
STARTER MODULE
IG EC
2001 SIENNA (EWD420U)
56
B- R
3 1K
8 1C
B- R
9 IH1
B- R
A
J13
JUNCTION
CONNECTOR
A
B- W
B- W B- W B- W B- W B- W
E5 E5 E5 E5 E5 E5
B- W
B- W
B- W
B- W
B- W
B- W
B- W
I18 I19 I20 I21 I22 I23
IGNITION COIL IGNITION COIL IGNITION COIL IGNITION COIL IGNITION COIL IGNITION COIL
NOISE FILTER
AND IGNITER AND IGNITER AND IGNITER AND IGNITER AND IGNITER AND IGNITER
NO. 1 1 NO. 2 1 NO. 3 1 NO. 4 1 NO. 5 1 NO. 6 1 1
(IGNITION)
N1
4 2 3 4 2 3 4 2 3 4 2 3 4 2 3 4 2 3
W- R
W- B
W- B
W- B
W- B
W- B
W- B
L- W
G- R
G- B
B- R
L- R
B
B
B
B
B
B
B B B B B
E5 E5 E5 E5 E5
W- B
W- B
W- B
W- B
B
W- B W- B W- B W- B W- B
E5 E5 E5 E5 E5
W- B
W- R
G- R
L- W
G- B
B- R
L- R
25 E 11 E 12 E 13 E 14 E 15 E 16 E
IGF IGT1 IGT2 IGT3 IGT4 IGT5 IGT6
E 9 B , E12 E
ENGINE CONTROL
MODULE
2001 SIENNA (EWD420U)
57
STARTING AND IGNITION
SERVICE HINTS
I12 IGNITION SW
7-6 : Closed with the ignition SW at ON or ST position
7-8 : Closed with the ignition SW at ST position
P1 PARK/NEUTRAL POSITION SW
5-6 : Closed with the A/T shift lever in P or N position
S1 (A), S2 (B) STARTER
Points closed with the Park/Neutral position SW at P or N position and the ignition SW at ST position
: PARTS LOCATION
Code See Page Code See Page Code See Page
E9 B 34 I20 33 J13 35
E12 E 34 I21 33 N1 33
F8 32 I22 33 P1 33
I12 35 I23 33 S1 A 33
I18 33 J6 35 S2 B 33
I19 33 J7 35
,,,
,,, : 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
1C
1G 22 Instrument Panel Wire and Driver Side J/B No.1 (Lower Finish Panel)
1J
1K 22 Cowl Wire and Driver Side J/B No.1 (Lower Finish Panel)
( )
1V
2B
24 Engine Room Main Wire and Engine Room J/B No 2 (Engine Compartment Left)
No.2
2D
2J
2K 24 Cowl Wire and Engine Room J/B No.2 ( g
g (Engine Compartment Left)
)
2L
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IG1 42 Instrument Panel Wire and Cowl Wire (Behind the Combination Meter)
IH1 44 Engine Wire and Cowl Wire (Front Side of the Blower Motor)
: GROUND POINTS
Code See Page Ground Points Location
EC 40 Rear Side of the Surge Tank
IG 42 Left Cowl Side Panel
: SPLICE POINTS
Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points
E5 40 Engine Wire
2001 SIENNA (EWD420U)
58
MEMO
2001 SIENNA (EWD420U)
59