2001 TOYOTA SEQUOIA Service Repair Manual

Page 2153 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSMULTIPLEX COMMUNICATION SYSTEM
DI±1951
2145 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check sliding roof ECU.
CHECK:
Check that the operation of the sliding roof f

Page 2154 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±1952
± DIAGNOSTICSMULTIPLEX COMMUNICATION SYSTEM
2146 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC B1287 Back door ECU communication stop
CIRCUIT DESCRIPTION
This DTC is indicated when communicat

Page 2155 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28473
Combination Meter
F18
Front Passenger
Door ECUBack Door ECU
Sub J/B No. 3I18
Ignition SW Instrument Panel J/B
F10
Fusible Link Block
Engine Room J/BInstrument Panel J/B
Sub J/B No. 3
Battery
BJ

Page 2156 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±1954
± DIAGNOSTICSMULTIPLEX COMMUNICATION SYSTEM
2148 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check back door ECU.
CHECK:
Check that the operation of the rear wiper motor

Page 2157 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DID9J±01
± DIAGNOSTICSAUDIO SYSTEM
DI±1955
2149 Author: Date:
2005 SEQUOIA   (RM1146U)
AUDIO SYSTEM
PRECAUTION
NOTICE:
When disconnect the battery terminal, initialize the following systems after

Page 2158 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DID9K±01
I27726
Radio Receiver Assy
Rear Door Speaker Tweeter
Rear Door Speaker Front Door Speaker (*1)
Front Door Speaker and 
Woofer (*2)Steering Pad 
Switch
Instrument Panel J/B
 RAD NO. 2 Fuse


Page 2159 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DID9L±01
I28760
Built±in Type Amplifier:
Radio 
Receiver 
Assy
Steering Pad SwitchSpeakers Sound Signal Operation 
Signal
Sound Signal
± DIAGNOSTICSAUDIO SYSTEM
DI±1957
2151 Author: Date:
2005 S

Page 2160 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28735
Separate Type Amplifier:
Steering Pad Switch
AVC±LAN Speakers
Sound SignalOperation 
Signal
Radio 
Receiver 
Assy Stereo
Component
Amplifier
Assy
Multi±display
Controller 
Assy (*1)
Rear Seat