Page 2241 of 4323
± DIAGNOSTICSAUDIO SYSTEM
DI±2039
2233 Author: Date:
2005 SEQUOIA (RM1146U)
3 Replace cassette tape with another and recheck.
CHECK:
Replace the cassette tape with another and recheck.
Replace the cassette tape with another normal one to see if the same trouble occurs again.
OK:
Malfunction disappears.
NG Replace radio receiver assy.
OK
End.
Page 2242 of 4323
DI±2040
± DIAGNOSTICSAUDIO SYSTEM
2234 Author: Date:
2005 SEQUOIA (RM1146U)
Sound quality is bad only when playing tape
INSPECTION PROCEDURE
1 Replace cassette tape with another and recheck.
CHECK:
Replace the cassette tape with another one and recheck.
Replace the cassette tape with another normal one to see if the same trouble occurs again.
OK:
Malfunction disappears.
OK End.
NG
2 Check for any foreign object.
CHECK:
Check for foreign objects.
Check that no foreign objects or defects are detected in the cassette tape player.
OK:
No foreign objects or defects are detected.
NG Remove foreign objects.
OK
DIDAB±01
Page 2243 of 4323
I28354
HeadCapstan
Pinch Roller
± DIAGNOSTICSAUDIO SYSTEM
DI±2041
2235 Author: Date:
2005 SEQUOIA (RM1146U)
3 Clean head and check operation.
PREPARATION:
Head cleaning
(1) Raise the cassette door with your finger. Using a
pencil or similar object, push in the guide.
(2) Using a cleaning pen or cotton applicator soaked in
cleaner, clean the head surface, pinch rollers and
capstans.
CHECK:
Check if the same trouble occurs again.
OK:
Malfunction disappears.
NG Replace radio receiver assy.
OK
End.
Page 2244 of 4323
DI±2042
± DIAGNOSTICSAUDIO SYSTEM
2236 Author: Date:
2005 SEQUOIA (RM1146U)
Tape is tangled due to incorrect tape speed or auto±reverse mal-
function
INSPECTION PROCEDURE
1 Check for any foreign object.
CHECK:
Check for any foreign objects.
Check that no foreign objects or defects are detected in the cassette tape player of the radio receiver
assy.
OK:
No foreign objects or defects are detected.
NG Remove foreign object.
OK
2 Replace cassette tape with another and recheck (90 min. or less).
CHECK:
Replace the cassette tape with another one and recheck.
Replace the cassette tape with another normal one (90 minutes or less) to see if the same trouble oc-
curs again.
OK:
Malfunction disappears.
OK End.
NG
DIDAC±01
Page 2245 of 4323
I28354
HeadCapstan
Pinch Roller
± DIAGNOSTICSAUDIO SYSTEM
DI±2043
2237 Author: Date:
2005 SEQUOIA (RM1146U)
3 Clean head and check operation.
PREPARATION:
Head cleaning
(1) Raise the cassette door with your finger. Using a
pencil or similar object, push in the guide.
(2) Using a cleaning pen or cotton applicator soaked in
cleaner, clean the head surface, pinch rollers and
capstans.
CHECK:
Check if the same trouble occurs again.
OK:
Malfunction disappears.
NG Replace radio receiver assy.
OK
End.
Page 2246 of 4323
DIDAD±01
DI±2044
± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
2238 Author: Date:
2005 SEQUOIA (RM1146U)
REAR SEAT AUDIO SYSTEM
PRECAUTION
NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.
System NameSee Page
Back Door Power Window Control SystemBE±77
Page 2247 of 4323
DIDAE±01
I27729
Radio and Navigation Assy (*1)
Radio Receiver Assy (*2)
Rear Door
Speaker Tweeter
Rear Door Speaker Front Door Speaker
and Woofer
Steering Pad Switch Instrument Panel J/B
RAD NO. 2 Fuse
ECU±B
AM1 FuseEngine Room J/B
RAD NO. 1 Fuse
RAD NO. 3 Fuse
Ignition Switch
Rear Seat Audio
Controller Assy
Headphone
Terminal
Front Door
Speaker
and Woofer
Stereo Component
Amplifier
*1: w/ Navigation System
*2: w/o Navigation System
± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
DI±2045
2239 Author: Date:
2005 SEQUOIA (RM1146U)
LOCATION
Page 2248 of 4323
DIDAF±01
I28753
Sound Signal
Rear Seat Audio Controller Radio Receiver Assy
or
Radio and Navigation
AssyAVC±LAN
Speakers Stereo Component
Amplifier Assy
Switch AssyWireless
HeadphoneHeadphone
Terminal
Wired Headphone Wired Headphone DI±2046
± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
2240 Author: Date:
2005 SEQUOIA (RM1146U)
SYSTEM DIAGRAM