2001 TOYOTA AVALON diagram

I14524
RDRL No. 2 Relay
2
22
2 43
1
2R-B R-B8
B410Body ECU
DRL
6
EA1
8
IF1R
2
R-B2
2 1 2 HEAD RH-UPR
HEAD LH-UPR
12
L
10 9
IF1
L L 2 1
G 2
G
GGH2
Headlight High RH
1
2
R-W9
IC1
R-W
2
EA1
G2
22
2
2
2
2 2
21
42
3 DRL No. 4 Relay
DRL No. 3 Relay
12
53
4 W-R
W-R W-R
5W-B
W-B
10
R-L11
W-B W-B
2E 4
1
2E
MAIN
2
2GR-B
21
BatteryFL MAIN1
F6 F71 FL Block
B
to Body ECU5
5
5
5DRL
21
5
HEAD Relay
3
21 4
5
to Headlight
Low LH and RHEA R-L H1
Headlight High LH REngine Room R/B No. 2
Engine Room R/B No. 7R-BEA1
Engine Room R/B No. 2 IF1 EA1
EA1
IF3
EA1
Engine Room J/B
Engine Room R/B No. 5
B
R-B
RW-B R
R
9
EA1
R-W DI-668
- DIAGNOSTICSBODY CONTROL SYSTEM
824 Author
: Date
:
2001 AVALON (RM808U)
Daytime running light No.2, 3 and 4 relay circuit
WIRING DIAGRAM
DI6M3-01

I13647
Battery FL
MAINB1
1
F6
F7B 2
21 1MAIN
2E
2G R-BR5
55
5 21 34 Headlight Relay
R-BR-B4
1J8Body ECU
HRLY
5
55 1
21
2 HEAD
RH
LW RHEAD
LH
LW R
3
IF1
G-W
2
1
W-BG-W
*1Headlight
Low RHR-B
2
1H3
Headlight
Low LH
W-B
ED *1 EB: Canada
EA: Except Canada Engine Room J/B
FL Block
H4
Engine Room R/B No. 5
Engine Room R/B No. 5Driver Side J/B
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-635
791 Author
: Date
:
2001 AVALON (RM808U)
Headlight relay circuit
CIRCUIT DESCRIPTION
Head light relay will be ºONº by operating the headlight switch. The transistor which activates the taillight
relay has two sorts: one activates directly by the headlight switch for fail safe and the other activates by CPU.
the one that activates by CPU has two systems and prevents the headlight from turning off at the time of
one system trouble in the automatic operation circuit.
WIRING DIAGRAM
DI6LN-01

I13640
2
Battery B
11
F7 F6FL Block
FL MAINB 2GHORNHORN RELAY
1
2
3 53
2C
2F3G-B1
1J
1110
1CBody ECU
HORN
G-B
6 G-W
1G-W
H5
Horn
LHH6Horn
RHC12Horn Switch
(in Combination
Switch)Driver Side J/B Engine Room J/B DI-672
- DIAGNOSTICSBODY CONTROL SYSTEM
828 Author
: Date
:
2001 AVALON (RM808U)
Horn circuit
CIRCUIT DESCRIPTION
The horn is connected to the body ECU and activated by the body ECU during warning of the theft deterrent
system.
WIRING DIAGRAM
DI6M4-01

I13641
P-LP-LP-LP-L
P-L
P-L
P-L 1
4F
4D
4C 11
7
1D 1J9 DOME
W-L
1
11 1
1
12C DCC
2
2G
B
F7 F6FL Block
FL MAINB
BatteryV11
Vanity Light RH
2
V10
Vanity Light RH
2W-B
W-B
2
3P9
Personal Light
ON
OFF
DOOR
I17
Interior Light
ON
OFF
DOOR
4
4D
R-B13
4F
R-BG-R
G-R3
1C5
ILL
10
1D2 GAUGE No. 1IG1 RELAY
11
4
3 4
1C 1B3 1GMulti Display
3
42
2 M7
M6M7
M6 Open Door
Driver Seat Belt
10
M7R
G-W
G-R25
B5
B5
B523
11AJAR
DBEW
PBEW
FL MAIN FL Block
ALT W
1
F101
F6
F81B
B-L
Battery
11
2H 2G W-B W-R
4
IG1 AM1 I15
Ignition Switch
2
W-L7
IF1
IG
AM1
21
55W-L
B2BLBody ECU
IG1 5
G-R
IG1
G-R 11 4C10
P-L
2
1
I14
Ignition
Key
Cylinder
LightG-R Engine Room J/B
Engine Room R/B No.5Engine Room J/B J/B No.4
Driver Side J/B
Passenger
Seat Belt
Driver Side J/B J/B No.4
Driver Side J/B
8W-B
1
G-R
IG1
DI-656
- DIAGNOSTICSBODY CONTROL SYSTEM
812 Author
: Date
:
2001 AVALON (RM808U)
WIRING DIAGRAM

I13648
9Key Unlock
Warning Switch
17
B4Body ECU
KSW
R-Y 11
4A 4B2
R-Y W-B12 U1
3D 22
3D
W-B
IGJ/B No. 3 J/B No. 4
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-637
793 Author
: Date
:
2001 AVALON (RM808U)
Key unlock warning switch circuit
CIRCUIT DESCRIPTION
The key unlock warning switch goes on when the ignition key is inserted in the key cylinder and goes off when
the ignition key is removed.
The ECU operates the key confinement prevention function while the key unlock warning switch is on.
WIRING DIAGRAM
DI6LO-01

I13645
B-R
B-W
R-Y
P
G-O
7 8 13 14 1213Body ECU
2
3
14
4 B4
B4
B4
B4
B4HU
HF
HEAD
TAIL
AUTO
OFF
TAIL
HEAD
AUTO
LOW
HIGH
FLASH
16
W-B
IGC13
Combination Switch

Light Control Switch

Dimmer Switch
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-631
787 Author
: Date
:
2001 AVALON (RM808U)
Light control switch circuit
WIRING DIAGRAM
DI6LL-01

I13654
L9
Luggage Compartment
Light Switch
1
R-W12 12
4E 4C
RBody ECU
6
B4
LGC
2
L7
Luggage Compartment
Door Unlock MotorL4
IK1
L25
B4TR+ J/B No. 4
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-649
805 Author
: Date
:
2001 AVALON (RM808U)
Luggage opener motor circuit
WIRING DIAGRAM
DI6LU-01

I13653
W-BL2
Luggage Compartment
Door Opener Switch
2
1
L2
1 L1Luggage Compartment
Door Opener Main Switch
L-B
77
4H4B
W-B
A
J9
J/C
IJ18
B5Body ECU
TKL
J/B No. 4
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-647
803 Author
: Date
:
2001 AVALON (RM808U)
Luggage opener switch circuit
WIRING DIAGRAM
DI6LT-01