
Front Window Deicer and Rear Window Defogger
From Power Source System (See Page 58)
* 1 : Automatic A/C
* 2 : Except * 1
10A 15A
HTR FR
DEF
26 1C 28 1L 16 1K
R- Y
R- Y
J18
Junction
Connector
B R- Y 89 100 R- Y
G
99
2 2G 2 2C
Front Window Deicer
5 1 1 5
4
R- Y
DEFOG
B
Relay
Relay
F15
3 2 2 3
B- W
Y- G
1 2F 2 2B 1 2A
Y- G
W- B
2 I
B
Junction Connector
Junction Connector
J 3(A), J 4(B)
J 7(A), J 8(B)
40A DEF
11 A 14 B
2 1B
28 B 2 A
25 1P
Y- G
Y- G
Fusible Link Block
B
140A ALT
F 6(A), F14(I)
Connector
98 128
Junction
J20
1 BG2
108 (* 1) 118
1 A 88 (* 2)
B- W
Y- G
Y- G
R- Y
B
Rear Window Defogger
Rear Window Defogger
A/C Control Assembly
Front Window Deicer
4 A (* 1)
W
1 A 12 B (* 2) 2 1 1
R31(A), R32(B)
A 9(A), A10(B)
RDSW D IG
H12
SW
GND E
F4
FL MAIN 1 B 1 A 3 2
3. 0W
W- B
W- B
W- B
W- B
111 (* 1)
Connector
Connector
101 (* 2) 33 A
Junction
Junction
2 BG2 J18
Junction
J20
J1
Connector
1 42 A
Battery
W- B
W- B
W- B
W- B
W- B
W- B
ED BM BH IE IG EA
290
2005 SIENNA (EWD613U)
Service Hints
H12 Rear Window Defogger SW
1, 2-Ground : Approx. 12 volts with the ignition SW at ON position
3-Ground : Always continuity
: Parts Location
Code See Page Code See Page Code See Page
A9 A 34 H12 35 J18 36
A10 B 34 J1 33 J20 36
F4 32 J3 A 36 R31 A 40
F6 A 32 J4 B 36 R32 B 40
F14 I 32 J7 A 36
F15 35 J8 B 36
: Junction Block and Wire Harness Connector
Code See Page Junction Block and Wire Harness (Connector Location)
1B
27 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
1C
1K
27 Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
1L
1P 27 Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)
2A
2B
2C 22 g
Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
g ( g )
2F
2G
: Connector Joining Wire Harness and Wire Harness
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
BG2 52 Back Door No.1 Wire and Floor No.1 Wire (Left Rear Quarter Panel)
: Ground Points
Code See Page Ground Points Location
EA 44 Front Side of the Right Fender Apron
ED 44 Front Side of the Left Fender Apron
IE 46 Left Kick Panel
IG 46 Right Kick Panel
BH 50 Under the Left Center Pillar
BM 50 Left Rear Quarter Panel
291
2005 SIENNA (EWD613U)