Page 821 of 1897
I13637
B2
2G Engine Room J/B
DOOR No. 2
12
2C 2CW-L
L-RW-G
1
F7
F61FL Block
ALT1
F10
F81W
B-L
1
1
2H 2G
B
B52 1AM1
5
7
IF1
W-L
R-G
3
ACC
AM1 2IG1
W-R
FL MAIN
Battery 41B514
3C 3D
W-G24
B4Body ECU
B
9
1B
1J
1J
1C
1G W-L
L-R
W
R-G1 105 9ECU-B
7
ECU-ACC
3
1 DOOR No. 1BDR2
ACC
BDR1
1IG1 RELAY
42
3ECU-IG No. 2
2
SIG
4
1C
W-B
W-BW-B
W-B BB
IF J4 J/C
11
B4
B5 14GND2
GND1 DCC
1
Engine Room J/B
Engine Room R/B No. 5J/B No. 3
Driver Side J/B
3
Ignition Switch
IG W-L DI-628
- DIAGNOSTICSBODY CONTROL SYSTEM
784 Author: Date:
2001 AVALON (RM808U)
WIRING DIAGRAM
Page 824 of 1897
I13652
BatteryW-B
BM12
BB1
W-B
P151 22
5
Power WIndow
Motor RH
GP11
Power WIndow
Control Switch
Rear RH
D E
UB
DOWN
UP4
1
6L-W
R-BR-B R-B
G-B
G-BG-B 34
3 11 2 FL MAINB 1 1
F6 F10ALT W1G 1153
2
22
B5
B510RRD
RRU 12
1L PWR RELAY
P-B
6
IB2
P-B7
WLSWLG
D19
Driver
Door
ECU
1
1L RL P/W
10
1A BKJ11
J/C
A
W-B12
BA1
W-BP10
Power WIndow Control
Switch Rear LH
E
D
U R 212 P14
Power Window
Motor LHG
5DOWN
UP
B11
188
BA1
Y-R
Y-R
G-YG-Y
G-Y
PL-Y 4 6 3
3
2ID1
17
1B4
B422RLD
RLU
RBA1
ID1
BA1
IA1
RR P/W
FL Block
BB1
BB1
BB1IM2
IM2
IM2Body ECU
Driver Side J/BY-R
P
LG 3
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-645
801 Author: Date:
2001 AVALON (RM808U)
Rear power window switch circuit
CIRCUIT DESCRIPTION
Power window switch circuit can be checked using DTC check. (Refer to DI-738)
WIRING DIAGRAM
DI6LS-01
Page 830 of 1897
I13656
IJJ9
J/C AW-B1W6
Wireless Door
Lock Buzzer
Buzzer2
P-L20
B4Body ECU
BZ
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-653
809 Author: Date:
2001 AVALON (RM808U)
Wireless door lock buzzer circuit
WIRING DIAGRAM
DI6LW-01
Page 831 of 1897
DI-654
- DIAGNOSTICSBODY CONTROL SYSTEM
810 Author: Date:
2001 AVALON (RM808U)
INSPECTION PROCEDURE
1 Check wireless door lock buzzer. (See page BE-91)
NG Replace the wireless door lock buzzer.
OK
2 Check wireharness and connector between wireless door lock buzzer and Body
ECU, Body ECU and wireless door lock buzzer (See page IN-30).
NG Repair or replace wireharness or connector.
OK
Proceed to next circuit inspection shown on
problem symptoms table
(See page DI-622).
Page 832 of 1897
I13655
W-B88
4F 4E
W-B1
2 D8
Wireless Door
Control Receiver
L-WL-W 9
IK221Body ECU
B4 RDA RDA
E
PRG
+B
P-L1
1
4D
4E
P-L5320
G-R G-R7
B4 PRG
B
BJ6
J/C
II7
1D
FL
MAIN DOME
9
1J
W-L
2
2G 2C1
B
1
1
F7 F6
BBattery J/B No. 4
J/B No. 4
IK2
Driver Side J/B
DCC Engine Room J/B
FL Block W-B
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-651
807 Author: Date:
2001 AVALON (RM808U)
Wireless door lock tuner circuit
CIRCUIT DESCRIPTION
The signal from the transmitter will be input to the body ECU through RDA line. RDA line is diagnosed by
the Body ECU, so check DTC also in case of the failure of the wireless function.
WIRING DIAGRAM
DI6LV-01
Page 833 of 1897
DI-652
- DIAGNOSTICSBODY CONTROL SYSTEM
808 Author: Date:
2001 AVALON (RM808U)
INSPECTION PROCEDURE
1 Check that DTC 42 is not output.
NG Check the RDA line.
OK
2 Check wireharness.
PREPARATION:
Disconnect connectors of wireless door lock tuner and Body ECU.
CHECK:
Check continuity between terminals PRG of wireless door lock tuner and PRG of Body ECU.
OK:
Continuity
NG Repair or replace wireharness.
OK
3 Check the wireless door lock tuner.
CHECK:
Replace the wireless door lock tuner and check if it recovers normally.
OK:
Must be recovered normally.
NG Proceed to next circuit inspection shown on
problem symptoms table (See page DI-622).
OK
Failure of the original wireless door lock tun-
er.
Page 834 of 1897
DI6LG-01
BODY CONTROL SYSTEM Check Sheet
Inspector 's name:
Customer 's Name
Date VehicleRegistration No.
Registration Year
Frame No.
Odometer Reading / /km
Mile
Weather Conditions
When Problem
Occurred
Date Problem First Occurred
Frequency Problem Occurs
Weather
/ /
Once only Brought in
Key Unlock Warning System
Malfunction
System
Outdoor Temperature
Fine Cloudy Rainy Snowy
Various/ Others
Hot Warm Cool
Cold (Approx. °F ( °C))
Constant Sometimes ( times per day, month)
Illuminated Entry System
Seat Belt Warning
Power Window Control System
Power Door Lock Control System
Wireless Door Lock Control System
Others (Buzzer etc.)
Automatic Light Control System
Luggage Compartment Door Opener System
Headlight and Taillight System (Light Auto Turn-of f system Daytime Running Light
System)
Combination Meter
Auto Lock/Unlock System
Theft Deterrent System DI-616
- DIAGNOSTICSBODY CONTROL SYSTEM
772 Author: Date:
2001 AVALON (RM808U)
CUSTOMER PROBLEM ANALYSIS CHECK
Page 836 of 1897
DI6LH-01
I11666
Engine Room Junction Block
Headlight Control Relay
Light Control Switch
Luggage Compartment Door
Opener Switch
DLC3
Ignition Switch
Key Unlock Warning Switch
Instrument Panel Junction Block
Body ECU
DOME Fuse
- DIAGNOSTICSBODY CONTROL SYSTEM
DI-617
773 Author: Date:
2001 AVALON (RM808U)
PARTS LOCATION