2001 TOYOTA SEQUOIA rear entertainment

DI±2188
± DIAGNOSTICSNAVIGATION SYSTEM
2382 Author: Date:
2005 SEQUOIA (RM1146U) SW2 (R27±8) ± SWG (R27±6)
GR±R ± BR±WSteering pad switch signalSteering pad switch not operated
"MODE switch pushed4 V or more
"Below 2.5 V
SPD (R29±3) ± GND (R30±20)G±O ± BRSpeed signal from com-
bination meterSee ºVehicle Signal Check Modeº
(See page DI±2179)±
REV (R29±5) ± GND (R30±20)B±Y ± BRReverse signal from com-
bination meterSee ºVehicle Signal Check Modeº
(See page DI±2179)±
MUTE (R28±7) ±
GND (R30±20)R±W ± BRMUTE signal
(From navigation)Audio system is playing " chang-
ing modeAbove 3.5 V "
Below 1 V
SLD (R30±10) ± Body groundShielded ±
Body groundShield groundAlwaysBelow 1 V
SWG (R27±6) ± Body groundBR±W ±
Body groundSteering pad switch
groundAlwaysBelow 1 V
ATX+ (R30±5) ± GND (R30±20)V ± BRAVC±LAN
communication signalIgnition switch ON2 to 3 V
ATX± (R30±15) ±
GND (R30±20)P ± BRAVC±LAN
communication signalIgnition switch ON2 to 3 V
IVO+ (R27±11) ±
GND (R30±20)W ± BRVoice guidance output
signalNavigation system is voice guid-
ance outputA waveform synchro-
nized with sound is out-
put
IVO± (R27±12) ±
GND (R30±20)B ± BRVoice guidance output
signalNavigation system is voice guid-
ance outputA waveform synchro-
nized with sound is out-
put
SLD1 (R27±13) ± Body groundShielded ±
Body groundShield groundAlwaysBelow 1 V
PKB (R29±1) ± GND (R30±20)LG±R ± BRParking brake switch sig-
nalParking brake pedal is depress "Below 1 V "
10 to 14 V
(*1) NTSC (R26±1) ±
GND (R30±20)R ± BRDisplay signal (From mul-
ti±display controller)Navigation display is ONPulse generation
(*1) SGD1 (R26±4) ±
Body groundG ± Body groundGroundAlwaysBelow 1 V
(*1) SGND (R26±5) ±
Body groundShielded ±
Body groundShield groundAlwaysBelow 1 V
(*1, 2) TX+ (R27±9) ±
GND (R30±20)L ± BRAVC±LAN
communication signalIgnition switch ON2 to 3 V
(*1, 2) TX± (R27±10) ±
GND (R30±20)LG ± BRAVC±LAN
communication signalIgnition switch ON2 to 3 V
(*1, 2) R±R+ (R27±15) ±
GND (R30±20)W ± BRSound signal
(Right output)Audio system is playing
A waveform synchro-
nized with sound is out-
put
(*1, 2) R±R± (R27±16) ±
GND (R30±20)G ± BRSound signal
(Right output)Audio system is playing
A waveform synchro-
nized with sound is out-
put
(*1, 2) R±L+ (R27±17) ±
GND (R30±20)B ± BRSound signal (Left output)Audio system is playing
A waveform synchro-
nized with sound is out-
put
(*1, 2) R±L± (R27±18) ±
GND (R30±20)R ± BRSound signal (Left output)Audio system is playing
A waveform synchro-
nized with sound is out-
put
(*1) RSLD (R27±14) ±
Body groundShielded ±
Body groundShield groundAlwaysBelow 1 V
(*1, 2) RMUT (R27±19) ±
GND (R30±20)R±W ± BRMUTE signal (To multi±
display controller)Audio system is playing " chang-
ing modeAbove 3.5 V "
Below 1 V
(*1) CDR+ (R28±2) ±
GND (R30±20)W ± BRSound signal (Right input)Rear seat entertainment system is
playingA waveform synchro-
nized with sound is out-
put

I28722
S10S9
± DIAGNOSTICSNAVIGATION SYSTEM
DI±2189
2383 Author: Date:
2005 SEQUOIA (RM1146U) (*1) CDR± (R28±3) ±
GND (R30±20)
G ± BRSound signal (Right input)Rear seat entertainment system is
playingA waveform synchro-
nized with sound is out-
put
(*1) CDL+ (R28±4) ±
GND (R30±20)B ± BRSound signal (Left input)Rear seat entertainment system is
playingA waveform synchro-
nized with sound is out-
put
(*1) CDL± (R28±5) ±
GND (R30±20)R ± BRSound signal (Left input)Rear seat entertainment system is
playingA waveform synchro-
nized with sound is out-
put
(*1) CSLD (R28±1) ±
Body groundShielded ±
Body groundShield groundAlwaysBelow 1 V
(*1) MUTE (R28±6) ±
GND (R30±20)R±G ± BRMUTE signal (From multi±
display controller)Rear seat entertainment system is
playing " changing modeAbove 3.5 V "
Below 1 V
*1: w/ Rear seat entertainment system
*2: w/ Rear seat audio system
2. STEREO COMPONENT AMPLIFIER ASSY
Symbols (Terminal No.)Wiring ColorTerminal DescriptionConditionSpecification
B+ (S9±1) ± E (S9±16)L±W ± BRBatteryAlways10 to 14 V
RL+ (S9±4) ± E (S9±16)B ± BRSound signal (Rear Left)Audio system is playing
A waveform synchro-
nized with sound is out-
put
RR+ (S9±5) ± E (S9±16)R ± BRSound signal (Rear Right)Audio system is playing
A waveform synchro-
nized with sound is out-
put
FL+ (S9±2) ± E (S9±16)P ± BRSound signal (Front Left)Audio system is playing
A waveform synchro-
nized with sound is out-
put
FR+ (S9±3) ± E (S9±16)LG ± BRSound signal (Front Right)Audio system is playing
A waveform synchro-
nized with sound is out-
put
WFL+ (S9±6) ± E (S9±16)L±W ± BRSound signal (Front Left)Audio system is playing
A waveform synchro-
nized with sound is out-
put
WFR+ (S9±7) ± E (S9±16)R ± BRSound signal (Front Right)Audio system is playing
A waveform synchro-
nized with sound is out-
put
B2+ (S9±10) ± E (S9±16)L±W ± BRBatteryAlways10 to 14 V
RL± (S9±13) ± E (S9±16)Y ± BRSound signal (Rear Left)Audio system is playing
A waveform synchro-
nized with sound is out-
put
RR± (S9±14) ± E (S9±16)W ± BRSound signal (Rear Right)Audio system is playing
A waveform synchro-
nized with sound is out-
put
GND (S9±15) ± Body groundBR ±
Body groundGroundAlwaysBelow 1 V

± DIAGNOSTICSNAVIGATION SYSTEM
DI±2207
2401 Author: Date:
2005 SEQUOIA (RM1146U)

*7: w/ Rear seat entertainment system only.
(b) Logical address: 58 (Navigation): 80 (GPS)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification column.
DTCNameDiagnosisVerificationSee page
43SPD signal errorThe difference between the GPS speed and SPD
pulse is detected.
1. Inspect speed signal error.
2. Speed signal circuit.
3. Replace radio and navigation
assy.±
DI±2291
±
44Player errorMap player error is detected.
1. Check if the disc can be inserted
and ejected. If a malfunction is
found, replace the radio and nav-
igation assy.
2. If the same code is detected
again, replace the radio and nav-
igation assy.±
±
45High temperatureHigh map player temperature is detected.
1. Park the vehicle in a cool place.
Turn the engine off. After check-
ing that the temperature of the
radio and navigation assy be-
comes sufficiently low, turn the
engine on to verify the malfunc-
tion symptom.
2. If the same code is detected
again, replace the radio and nav-
igation assy.±
±
(c) Logical address: 21 (SW): 23 (SW with name): 24 (SW converting): 25 (command SW)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification column.
DTCNameDiagnosisVerificationSee page
10Panel switch errorThe panel SW detection circuit has a failure.Replace radio and navigation assy.±

± DIAGNOSTICSNAVIGATION SYSTEM
DI±2209
2403 Author: Date:
2005 SEQUOIA (RM1146U)E2
ON/OFF indication parameter
errorWhen the command for ON/OFF control from the
master device has a problem.Replace radio and navigation assy.±
E3
*1Registration demand transmis-
sion
When the registration demand command from the
slave device is output, or when the registration
demand command is output by receiving connec-
tion confirmation command from the sub master
device.
NOTE: This DTC may not be directly related to
the problem.
±±
E4
*1Multiple frame incomplete
When the multiple frame transmission ends in-
complete.
NOTE: This DTC may not be directly related to
the problem.
±±
HINT:

*1: This code may be recorded depending on the battery condition or engine start voltage even if no
failure is detected.

*2: This code may be stored if the ignition key is turned to the START position again with the engine
running.

*3: This code may be stored if the ignition key is held in the START position for 1 minute or more before
returning to the ON position.

*4: If the device is reported as not existing during verification, check the power source circuit and AVC±
LAN circuit for the device.

*5: w/ Rear seat audio system only.

*6: w/ Rear seat entertainment system only.
3. Multi±display controller sub±assy (Physical address: 1F6) [RSE ECU, MAIN]
(a) Logical address: 01 (Communication control)
DTCNameDiagnosisVerificationSee page
21ROM ErrorAbnormal condition of ROM is detected.Replace multi±display controller
sub±assy.±
22ROM ErrorAbnormal condition of RAM is detected.Replace multi±display controller
sub±assy.±
D1
*1
*4Registered component discon-
nected
AVC±LAN transmitting abnor-
malitiesComponent shown by sub±code is or was discon-
nected from system with ignition switch in ACC or
ON.
Communication with component shown by sub±
code is not ensured when engine is started.
1. Power source circuit (Multi±dis-
play controller sub±assy).
2. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
3. Replace Multi±display controller
sub±assy.DI±2110
DI±2139
±
D7
*2AVC±LAN Communication
Check Error
Component in which this code is recorded is or
was disconnected from system after engine start.
Or, when recording this code, multi±display con-
troller was disconnected.
1. Power source circuit (radio and
navigation assy).
2. Power source circuit (Multi±dis-
play controller sub±assy).
3. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
4. Replace Multi±display controller
sub±assy.DI±2256
DI±2110
DI±2139
±
D6
*1Absence of Master
Component in which this code is recorded has
been disconnected from system with ignition in
ACC or ON. Or, when this code was recorded,
multi±display controller was disconnected.
1. Power source circuit (radio and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
3. Replace Multi±display controller
sub±assy.DI±2256
DI±2139
±

RS0BE±11
H23930
Front Passenger
Airbag Assembly
N´m (kgf´cm, ft´lbf) : Specified torque
20 (204, 15)
Lower Finish Panel
Cowl Side Trim Board
Lower No. 2
Finish Panel
Front Door
Scuff Plate
Glove Compartment Door
Front Door Scuff PlateCowl Side Trim Board
Front Console Box
Lower Instrument Cover
Upper Console Panel
Rear Console Box Side Panel
Side Panel
5.0 (51, 44 in.´lbf)
Shifting Hole Cover
Rear Console Box
Disc Player Cover
Disc Player w/ Rear seat audio or Rear seat entertainment: RS±32
± SUPPLEMENTAL RESTRAINT SYSTEMFRONT PASSENGER AIRBAG ASSEMBLY
3315 Author: Date:
2005 SEQUOIA (RM1146U)
FRONT PASSENGER AIRBAG ASSEMBLY
COMPONENTS

RS0BK±11
H24668N´m (kgf´cm, ft´lbf): Specified torqueAirbag Sensor Assembly
Front Console Box
Rear Console Box Upper Console Panel
17.5 (179, 13)
Console Cover RearShifting Hole Cover
Rear Console Box
Disc Player
w/ Rear seat audio or Rear seat entertainment:
17.5 (179, 13)
± SUPPLEMENTAL RESTRAINT SYSTEMAIRBAG SENSOR ASSEMBLY
RS±81
3364 Author: Date:
2005 SEQUOIA (RM1146U)
AIRBAG SENSOR ASSEMBLY
COMPONENTS

BE±12
± BODY ELECTRICALTROUBLESHOOTING
3416 Author: Date:
2005 SEQUOIA (RM1146U)
NAVIGATION SYSTEM
SymptomSuspect AreaSee page
Navigation system abnormal operation.See DIAGNOSIS SYSTEMDI±2172
REAR SEAT ENTERTAINMENT SYSTEM
SymptomSuspect AreaSee page
Rear seat entertainment system abnormal operation.See DIAGNOSIS SYSTEMDI±2083
REAR SEAT AUDIO SYSTEM
SymptomSuspect AreaSee page
Rear seat audio system abnormal operation.See DIAGNOSIS SYSTEMDI±2048
CLOCK SYSTEM
SymptomSuspect AreaSee page
Clock does not operate.TROUBLESHOOTING NO.1BE±127
Clock loses or gains time.TROUBLESHOOTING NO.2BE±127
GARAGE DOOR OPENER SYSTEM
SymptomSuspect AreaSee page
The equipment of which code has been registered does not oper-
ate.1. Garage Door Opener Switch
2. Wire Harness
3. *BE±134
±
±
LED does not come on. (Even though either switch is pressed.)1. Garage Door Opener Switch
2. Wire HarnessBE±134
±
LED does not come on. (Only one switch is pressed.)Garage Door Opener SwitchBE±134
* As the GARAGE DOOR OPENER on the vehicle side seems to be normal, check the OPENER on the
equipment side, of which code has been registered.
ENGINE IMMOBILISER SYSTEM
SymptomSuspect AreaSee page
Engine immobilizer system does not operate.See DIAGNOSIS SYSTEMBE±143
HORN SYSTEM
This system uses the multiplex communication system, so check diagnosis system of the multiplex commu-
nication system before you proceed with troubleshooting.
SymptomSuspect AreaSee page
Horn system does not operate.
1. HORN Fuse
2. HORN Relay Circuit
3. Horn Switch Circuit
4. Horn
5. Body ECUBE±14
BE±145
BE±145
BE±145
±
Horn blow all the time.
1. HORN Relay Circuit
2. Horn Switch Circuit
3. Body ECUBE±145
BE±145
±
One horn operates but the other horn does not operate.1. Horn
2. Wire HarnessBE±145
±

BE2DE±03
I28400
Power Outlet (12 V)
Power Outlet
(115 V) (*1)
(12 V) (*2) Ignition Switch
Main Switch
Instrument Panel J/B

IPO (Intelligent Power Outlet)

AC INV Fuse
Driver Side R/B

INVERTER Relay

PWR OUTLET Fuse
Power Outlet (12 V)
*1: w/ Rear Seat Entertainment System
w/ Rear Seat Audio System
*2: w/o Rear Seat Entertainment System
w/o Rear Seat Audio System
Voltage Inverter
(Located inside of the
quarter trim panel LH)
Cigarette Lighter
± BODY ELECTRICALPOWER OUTLET
BE±19
3423 Author: Date:
2005 SEQUOIA (RM1146U)
POWER OUTLET
LOCATION