2001 TOYOTA SEQUOIA Service Repair Manual

Page 2257 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
DI±2055
2249 Author: Date:
2005 SEQUOIA   (RM1146U) OLD
Old versionOld DTC application is identified and DTC is detected in ei-
ther ºSystem Check Modeº or º

Page 2258 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28310
Service Check Mode
Detailed Information ModeDISC/CH/PROG DOWN
Detailed information
of the first code
is displayed
Detailed information
of the second code
is displayed
Continue to display detail

Page 2259 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
DI±2057
2251 Author: Date:
2005 SEQUOIA   (RM1146U)
(3) Displayed Items in Detailed Information Mode
Division Code for
DTC displayMeaning
Order of detaileded in

Page 2260 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DIDAM±01
I28496
B±O
24R24
Rear Seat Audio
Controller Assy
ACC
+B
17
GND 1228 C
4 3A36
ACC Cut
Relay
B 12 1Sub J/B No.3
3A
ID2 W±R
J/C
L±Y1
2
IA1 26 L±R
L±R
2B3
2C8
2D Engine Room J/B
ECU±BShort

Page 2261 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28337
R24
+B
ACC
GND
± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
DI±2059
2253 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Inspect rear seat audio controller (+B, ACC, GND).
PREPARATION:

Page 2262 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±2060
± DIAGNOSTICSREAR SEAT AUDIO SYSTEM
2254 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Check problem symptoms table.
CHECK:
Check the problem symptoms table.
RESULT:
All possible suspected area

Page 2263 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28599I28773
w/o Navigation:
Radio Receiver Assy
Rear Seat Audio Controller
R19
Stereo Component Amplifier AssyTX± TX+
S10 ID2
LG
LG
V
P L 9
10
5
R41522
R24
23
TX1± TX1+
TX± TX+27 26
TX± TX+ 20
19

Page 2264 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28599I28773
w/ Navigation:
Radio and Navigation AssyRear Seat Audio Controller
R27
Stereo Component Amplifier AssyTX± TX+
S10 ID2
LG
LG
V
P L 9
10
5
1522
R24
23
TX± TX+
ATX± ATX+27 26
TX± TX+ 20