2001 TOYOTA SEQUOIA Service Repair Manual

Page 977 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSAIR SUSPENSION SYSTEM
DI±775
969 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 when using the hand±held tester and start from ste

Page 978 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F19433
3
UP Button
DOWN Button
Height Control 
Switch
12 45
DI±776
± DIAGNOSTICSAIR SUSPENSION SYSTEM
970 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Inspect height control switch.
PREPARATION:
Remov

Page 979 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F16805
Suspension  Control ECU
Wire Harness View:
S25
UPSW
DNSW
F19462
Height  Control Switch Wire Harness
Side Connector Front View:
H12
ELW S
HSW
± DIAGNOSTICSAIR SUSPENSION SYSTEM
DI±777
971 Auth

Page 980 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F19449
H17
Height Control Mode
Select SwitchSuspension Control
ECU
W±B
IM4BR±B
312
S25
TD DI±778
± DIAGNOSTICSAIR SUSPENSION SYSTEM
972 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC C1788/88 Height

Page 981 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSAIR SUSPENSION SYSTEM
DI±779
973 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 when using the hand±held tester and start from ste

Page 982 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F19434
43
Height Control Mode Select Switch
Pushed In
Free
DI±780
± DIAGNOSTICSAIR SUSPENSION SYSTEM
974 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Inspect height control mode select switch.
PREPARA

Page 983 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual F16805
Suspension  Control ECU
Wire Harness View:
S25
TD
F19463
Height Control Mode Select Switch
Wire Harness Connector Front View:
H17
± DIAGNOSTICSAIR SUSPENSION SYSTEM
DI±781
975 Author: Date:

Page 984 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±782
± DIAGNOSTICSAIR SUSPENSION SYSTEM
976 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC U0100/65 Lost Communication with ECM/PCM
CIRCUIT DESCRIPTION
The ECM sends signals such as engine speed sig