fuse TOYOTA AVALON 2001 Service User Guide

24 Power AmplifierPOWER COMIMG IN, BUT WOOFER (POWER) AMPLIFIER NOT
OPERATING
+ B wire harness faulty.
GND faulty.
Power amplifier faulty.
Speaker wire harness faulty. GND faulty. Is tape player operating normally?
Check if RAD-No.2 fuse is OK?Ye s
NG
No OK No
No
No
No OK
OK
OK Ye s
Ye s
Ye s
Ye sNG
NG
NG Check if RAD-No.1 fuse is OK?
Radio assembly faulty. Recheck system after repair.Replace fuse.
ACC wire harness faulty. Radio assembly faulty.
Replace fuse.
Is there continuity in speaker wire harness?
Temporarily install another speaker. Functions OK?
Hiss noise from speaker?Ye s
Ye s NoNo
No Ye sPower amplifier faulty.
Power amplifier faulty.
Recheck system after repair. Speaker faulty.
Is power supplied to ACC terminal of power amplifier?
Check if GND (wire harness side) of power amplifier
grounded normally? Is power supplied to +B terminal of power amplifier?
Is power supplied to ACC terminal of radio assembly?
Is power supplied to +B terminal of radio assembly?
Check if GND (wire harness side) of radio assembly
grounded normally? BE-156
- BODY ELECTRICALAUDIO SYSTEM
1760 Author
: Date
:
2001 AVALON (RM808U)

BE0I4-04
I12528
Ignition Switch
Back-Up Light Relay
Back-Up Light
Driver Side Junction Block

ECU-ACC Fuse
- BODY ELECTRICALBACK-UP LIGHT SYSTEM
BE-33
1637 Author
: Date
:
2001 AVALON (RM808U)
BACK-UP LIGHT SYSTEM
LOCATION

I12781
: Fuel receiver gauge
: Engine coolant temperature gauge
: Tachometer F
E
T
F
E
T
P
R
N
D
2
L
IlluminationB2 A11
A
No.Wire Connector Side
1
2
3
4
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13 BPark/Neutral position switch (P position)
Park/Neutral position switch (R position)
Park/Neutral position switch (N position)
Park/Neutral position switch (D position)
Park/Neutral position switch (2 position)
Park/Neutral position switch (L position)
O/D main switch
-
Turn signal switch (Right)
Turn signal switch (Left)
Headlight dimmer switch
-
ECU-B Fuse
ECU-IG Fuse
F (PANEL) Fuse
-
Multi-information display meter
- 17
18
19
20
21-
-
Rheostat Light Control Volume
Ground
Ground
22
Theft Deterrent ECU
14
15
16-
-
17
18-
- Combination meter:
A15
A22
A9
A10
A1
A2
A3
A4
A5
A6
A16S
E
2
PROMA20 A12
B3
B4
B5
B6
B8
B9
B11
B12
B13
B14
B10
A7
A21
A19Multi
Information
Display
Fuel level warning
O/D off indicator
Security indicator
Left turn indicator
: Speedometer
S
Hi-beam indicator
A14
Right turn indicatorMulti-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter
Multi-information display meter 5
HEAD-LP Fuse BE-44
- BODY ELECTRICALCOMBINATION METER
1648 Author
: Date
:
2001 AVALON (RM808U)

C
No.Wire Connector Side
1
2
3
4
6
7
8
9
10
11
12
13
14
15
16ECU-IG No. 2 Fuse
Injector *
1
F (Panel) Fuse
Outside temperature sensor
ECM *
1
ABS ECU
Fuel sender gauge
Fuel sender gauge
Light control volume
RAD No. 1 Fuse Ground
ECU-ACC Fuse
-
Engine coolant temperature sendoer gauge
EFI
Heater control ECU *
117
18
19
20
21Speed control unit
Fuel sender gauge
-
Sender ground
Ground 22Starter Relay
D1
2
3
4
6
7
8
9
10
11
12
13
14
15
16-
Combination meter
-
-
-
- 17
18 -Low oil pressure warning switch *
2
Compressor lock sensor *2
A/C magnet switch
Evaporator temperature sensor *
2
A/C switch *2
A/C indicator *2
-
*1: Hi GradeECM
*2: Lo Grade 5
5Combination meter
Combination meter
Combination meter
Combination meter
Combination meter Combination meter
Combination meter
Combination meter
Combination meter
Combination meter
Combination meter
E
No.Wire Connector Side
1
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
205 1
2Compass sensor *1
Compass sensor *1
Compass sensor *1
-
-
-
-
-
-
-
-
-
- Compass sensor *
1
7
Compass sensor *1
- BODY ELECTRICALCOMBINATION METER
BE-47
1651 Author
: Date
:
2001 AVALON (RM808U)

No.Wire Connector Side
1
2
3
4
6
7
8
9
10
14
15
16Washer fluid level warning switch
Body ECU
Brake fluid level warning switch
GAUGE Fuse
Lo oil pressure warning switch
ECM
-
TRAC
VSC ECU
Light failure Sensor
-
-
G1
2
3
4
6
7
8
9
10
11
12
13-
Driver's door courtesy switch
DOME Fuse
Cruise ECU
Airbag ECU
ABS&BA&DRAC&VSC ECU
-
Body ECU
Generator L terminal Ignition switch 5 ABS ECU
5 AIR BAG WRN Fuse F
-
- BE-48
- BODY ELECTRICALCOMBINATION METER
1652 Author
: Date
:
2001 AVALON (RM808U)

BE0IE-03
I12531
Brake Master Cylinder

Brake Fluid Level
Warning Switch
Engine Room
Junction Block

SRS WRN Fuse
Washer Tank

Washer Fluid Level
Warning Switch
Combination Meter

Meter Circuit
Light Control
Rheostat
Driver Side Junction Block

GAUGE No.1 Fuse

PANEL Fuse

ECU-B No.1, 2 Fuss

ECU-IG No.2 Fuse

RAD No.1 Fuse

DOME Fuse

ECU ACC Fuse Parking Brake
Switch
Ignition Switch
Multi Information Display
- BODY ELECTRICALCOMBINATION METER
BE-41
1645 Author
: Date
:
2001 AVALON (RM808U)
COMBINATION METER
LOCATION

BE0IF-03
I12533
Ignition Switch
Driver Side Junction Block

Defogger Relay

DEF Fuse

MIR HTR Fuse
Defogger Wire
Mirror Defogger
Heater Control Assembly

Defogger Switch
BE-66
- BODY ELECTRICALDEFOGGER SYSTEM
1670 Author
: Date
:
2001 AVALON (RM808U)
DEFOGGER SYSTEM
LOCATION

BE1EE-01
I12839
Driver Side Junction Block

ECU-IG No.1,2 FuseIgnition Switch
Electro Chromic Inner Mirror
- BODY ELECTRICALELECTRO CHROMIC MIRROR SYSTEM
BE-1 19
1723 Author
: Date
:
2001 AVALON (RM808U)
ELECTRO CHROMIC MIRROR SYSTEM
LOCATION

BE0B3-1 1
I12540
Driver Side Junction Block

IGN Relay
Ignition Switch Assembly

Transponder Key Amplifier

Transponder Key Coil

Key Unlock Warning SwitchEngine Room Junction Block

EFI No. 2 Fuse
ECM
BE-180
- BODY ELECTRICALENGINE IMMOBILISER SYSTEM
1784 Author
: Date
:
2001 AVALON (RM808U)
LOCATION

BE050-07
I12525
Fog Light
Combination Switch

Fog Light Switch
Driver Side Junction Block

Fog Light Relay

FOG Fuse
- BODY ELECTRICALFOG LIGHT SYSTEM
BE-25
1629 Author
: Date
:
2001 AVALON (RM808U)
FOG LIGHT SYSTEM
LOCATION