
Engine Immobilizer System
From Power Source System (See Page 58)
7. 5A D1 10A
IGN Data Link ECU- B
Connector 3
SIL
7
13 1H 8 2C
I14 BR- R
Transponder Key Amplifier
W W- L BR- W
W- L
B- O
W
12 1H 7 1L
Connector
Connector
22 26 54
Junction
Junction
J18
J19
VC5 CODE TXCT GND
32 36 24
28 1K 24 1C 1 4 5 7
BR- W
BR- R
BR- R
W- L
B- O
Y- R
Y- B
W
Y
2 9 1 8 11 12 13 6 7
IG D +B VC5 CODE TXCT AGND EFIO EFII
CTY IND KSW GND
4 3 T6 10 14
Transponder Key Computer
L- W
R- Y
B
Connector
Connector
Connector
38 34 40
Junction
Junction
Junction
64
J18
J18
J18
58 4 80
(* 1)
B
B
W- B
L- B
R- Y
6 24
IND B6 2
Body ECU
Security Indicator Light
Junction Connector
K4
Unlock
J11(A), J12(B)
6 A Warning SW
1
M2
22 B
Connector
31
5
Junction
W- B 21
J18
W- B
(* 1)
R- Y
1
Connector
2
Junction
1
W- B
J20
D7
Door Courtesy 42
SW Front LH
W- B
(* 1)
IG IE
84
2005 SIENNA (EWD613U)
* 1 : w/ Theft Deterrent System
BR- R
BR- W
BR- R
Connector
33 35
Junction
J18
23 25
BR- W
BR- R
E 4(A), E 5(B), E 6(C), E 7(D), E 8(E)
26 B 27 B Engine Control Module
IMO IMI
E1 EOM E01 E02 E04 E05 E03 ME01
1 C 15 A 7 E 6 E 7 D 6 D 7 C 4 C
W- B
W- B
W- B
W- B
W- B
W- B
BR
Connector
66
Junction
J20
76
BR
BR
8 II3
BR
Connector
A
Junction
A
J29
A
W- B
W- B
W- B
W- B
W- B
W- B
BR
EB EC
85
2005 SIENNA (EWD613U)
Engine Immobilizer System
Service Hints
T6 Transponder Key Computer
1-Ground : Always approx. 12 volts
2-Ground : Approx. 12 volts with the ignition SW at ON position
14-Ground : Always continuity
: Parts Location
Code See Page Code See Page Code See Page
B6 34 E7 D 35 J19 36
D1 35 E8 E 35 J20 36
D7 38 I14 35 J29 36
E4 A 35 J11 A 36 K4 36
E5 B 35 J12 B 36 M2 36
E6 C 35 J18 36 T6 37
: Junction Block and Wire Harness Connector
Code See Page Junction Block and Wire Harness (Connector Location)
1C 27 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
1H 26
1K Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
( )
27
1L
2C 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)
II3 48 Engine Wire and Instrument Panel Wire (Right Kick Panel)
: Ground Points
Code See Page Ground Points Location
EB 44 Rear Bank of Right Cylinder Head
EC 44 Rear Bank of Left Cylinder Head
IE 46 Left Kick Panel
IG 46 Right Kick Panel
86
2005 SIENNA (EWD613U)
Memo
87
2005 SIENNA (EWD613U)