2001 TOYOTA SEQUOIA Service Repair Manual

Page 2225 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28506
Stereo Component 
Amplifier Assy
Radio Receiver Assy
TX+
S10
R4 V
P
TX±
S10 R4TX+
TX± 20 5
19 15
± DIAGNOSTICSAUDIO SYSTEM
DI±2023
2217 Author: Date:
2005 SEQUOIA   (RM1146U)
AVC±LAN cir

Page 2226 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28765
Radio Receiver Assy 
Wire Harness View:
TX±
TX+
R4
DI±2024
± DIAGNOSTICSAUDIO SYSTEM
2218 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Inspect radio receiver assy.
PREPARA

Page 2227 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28739
Radio Receiver Assy 
Wire Harness View:
TX±
TX+
R4
I28752
Stereo Component Amplifier Assy:
TX± TX+
S10
± DIAGNOSTICSAUDIO SYSTEM
DI±2025
2219 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Chec

Page 2228 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±2026
± DIAGNOSTICSAUDIO SYSTEM
2220 Author: Date:
2005 SEQUOIA   (RM1146U)
Sound quality is bad in all modes (Volume is too low)
INSPECTION PROCEDURE
1 Adjust sound quality.
CHECK:
Set ºBASSº

Page 2229 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±2027
2221 Author: Date:
2005 SEQUOIA   (RM1146U)
Noise occurs
INSPECTION PROCEDURE
1 Check of speaker installation.
CHECK:
Check if each speaker is securely installed.

Page 2230 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±2028
± DIAGNOSTICSAUDIO SYSTEM
2222 Author: Date:
2005 SEQUOIA   (RM1146U)
Radio broadcast cannot be received (Bad reception)
INSPECTION PROCEDURE
1 Check if radio auto±search functions proper

Page 2231 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28352
± DIAGNOSTICSAUDIO SYSTEM
DI±2029
2223 Author: Date:
2005 SEQUOIA   (RM1146U)
3 Check antenna for noise production.
CHECK:
Noise Check with Antenna
(1) With the ignition switch in the ACC p

Page 2232 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±2030
± DIAGNOSTICSAUDIO SYSTEM
2224 Author: Date:
2005 SEQUOIA   (RM1146U)
CD cannot be inserted or is ejected right after insertion
INSPECTION PROCEDURE
1 Check if a normal CD is inserted.
CHE