2001 TOYOTA SEQUOIA Service Repair Manual

Page 1929 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1727
1921 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check harness and connector between body ECU and switch, switch and body
ground (See page IN±35).
NG Repair

Page 1930 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28518
1
11
1R±WBody ECU
B7 12
DCTYPCTY RRCY RLCY
B522 B58 B77
R±W
R±W
R±W
LG±B B±O
LG±B
D14
Door Courtesy Light
Switch Front LH D9
DIODE
D16
Door Courtesy
Light Switch 
Rear LH
D17
Door
Courte

Page 1931 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1729
1923 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
When using the hand±held tester, start the inspection from step 1 and when not usin

Page 1932 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±1730
± DIAGNOSTICSBODY CONTROL SYSTEM
1924 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check wire harness and connector between door courtesy light switch and body
ECU, door courtesy light switch

Page 1933 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I18742
Body ECU
IEW±BIND 12
A17
BR
J8
J/CGR 9
1F 1D6
C6C5 Combination Meter
16
B5 Security Instrument Panel J/B
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1731
1925 Author: Date:
2005 SEQUOIA   (RM1146U

Page 1934 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±1732
± DIAGNOSTICSBODY CONTROL SYSTEM
1926 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
When using the hand±held tester, start the inspection from step 1 and when not usin

Page 1935 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1733
1927 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check wire harness and connector between theft deterrent indicator (combina-
tion meter) and body ECU, theft

Page 1936 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I18735
1Body ECU
T1
Theft Deterrent Horn
IA114
R±G
B71
SH R±G DI±1734
± DIAGNOSTICSBODY CONTROL SYSTEM
1928 Author: Date:
2005 SEQUOIA   (RM1146U)
Theft deterrent horn circuit
CIRCUIT DESCRIPTIO