
Audio System with 6 Speaker
From Power Source System (See Page 58)
20A 7. 5A
RAD RAD2
NO. 1
3 2B 24 1L
R29 R30
L- Y
GR
Rear Speaker LH Rear Speaker RH
1 2 1 2
Junction Connector
J 7(A), J 8(B)
12 A
W
R
B
Y
Junction Connector
Junction Connector
J11(A), J12(B)
J35(A), J36(B)
24 B 3 B 4 B 9 B 10 B
19 A 20 A 26 A 27 A
L- Y
GR
W
R
B
Y
R 2(A), R 3(B), R 4(C)
4 A 3 A 2 B 6 B 1 B 3 B Radio and Player
BU+B ACC+B RL+ RL- RR+ RR-
FL+ FL- FR+ FR- SW1 GND SW2 GND
2 A 6 A 1 A 5 A 7 C 6 C 8 C 7 A
W- B
LG
LG
P
V
Y
L
L
1 2 1 2 12 10 11
Tweeter Front RH
Tweeter Front LH
AU1 EAU AU2
T8
T9
SEEK+ MODE
3 4 3 4
W
R
B
Y
SEEK-
3 IA2 4 IA2 17 IM1 18 IM1
VOL+
LG
P
V
L
1 2 1 2 VOL-
C13
F17 F18 Combination SW
Front Door Speaker LH Front Door Speaker RH
W- B
IF
338
2005 SIENNA (EWD613U)
Service Hints
R2 (A) Radio and Player
(A) 4-Ground : Always approx. 12 volts
(A) 3-Ground : Approx. 12 volts with the ignition SW at ACC or ON position
(A) 7-Ground : Always continuity
: Parts Location
Code See Page Code See Page Code See Page
C13 35 J12 B 36 R29 40
F17 38 J35 A 36 R30 40
F18 38 J36 B 36 T8 37
J7 A 36 R2 A 37 T9 37
J8 B 36 R3 B 37
J11 A 36 R4 C 37
: Junction Block and Wire Harness Connector
Code See Page Junction Block and Wire Harness (Connector Location)
1L 27 Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
2B 22 Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
: Connector Joining Wire Harness and Wire Harness
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IA2 46 Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)
IM1 48 Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)
: Ground Points
Code See Page Ground Points Location
IF 46 Instrument Panel Brace LH
339
2005 SIENNA (EWD613U)