Page 2393 of 4323

DIDC5±01
I28205
I28206
Upper Left
Lower Left
I28207
± DIAGNOSTICSNAVIGATION SYSTEM
DI±2191
2385 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSIS SYSTEM
HINT:
Illustrations may differ from the actual vehicle depending on the device settings and options. There-
fore, some detailed areas may not be shown exactly the same as on the actual vehicle.
After the ignition switch is turned on, check that the map is displayed before starting the diagnostic
mode. Otherwise, some items cannot be checked.
1. There are 2 methods to start diagnostic mode. Start the mode by using one of them.
2. Method 1
(a) Start the engine.
(b) While pressing and holding ºINFOº switch, operate the
light control switch, OFF " TAIL " OFF " TAIL " OFF
" TAIL " OFF.
(c) The diagnostic mode starts and the service check screen
(ºSystem Check Modeº) will be displayed. Service inspec-
tion starts automatically and the result will be displayed.
3. Method 2
(a) Start the engine.
(b) Switch to the ºDisplay quality adjustmentº screen.
(c) From the display quality adjustment screen, touch the
corners of the screen in the following order: upper left "
lower left "upper left " lower left " upper left " lower
left.
(d) The diagnostic mode starts and ºService Checkº screen
will be displayed. Service inspection starts automatically
and the result will be displayed.
4. Diagnosis MENU
(a) Diagnostic screen will be displayed by pressing the menu
switch on the service check screen.
Page 2394 of 4323
I28236*1
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DI±2192
± DIAGNOSTICSNAVIGATION SYSTEM
2386 Author: Date:
2005 SEQUOIA (RM1146U)
5. DIAGNOSIS DISPLAY DETAILED DESCRIPTION
HINT:
This section contains a detailed description of displays within diagnostic mode.
Illustrations may differ from the actual vehicle depending on the device settings and options. There-
fore, some detailed areas may not be shown exactly the same as on the actual vehicle.
(a) System Checks
(1) System Check Mode Screen
Device Names and Hardware Address/*1
HINT:
Registered device names are displayed.
If a device name is unknown to the system, its physical address is shown instead.
Address No.NameAddress No.Name
11 0EMV120AV X
1281DIN TV140AV N
144G±BOOK178NAVI
17CMONET190AUDIO H/U
1ACCAMERA±C1B0Rr±TV
1C0Rr±CONT1C2TV±TUNER2
1C4PANEL1C6G/W
1C8FM±M±LCD1D8CONT±SW
1ECBODY1F0RADIO TUNER
1F1XM1F2SIRIUS
230TV±TUNER240CD±CH2
250DVD±CH280CAMERA
360CD±CH13A0MD±CH
17DTEL440DSP±AMP
530ETC5C8MAYDAY
1A0DVD±P1D6CLOCK
1F4RSA1F6RSE
480AMP±±
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I28237
± DIAGNOSTICSNAVIGATION SYSTEM
DI±2193
2387 Author: Date:
2005 SEQUOIA (RM1146U)
Check Result/*2
HINT:
Result codes for all devices are displayed.
ResultMeaningAction
OKThe device did not respond with a DTC (excluding commu-
nication DTCs from the AVC±LAN).±
EXCHThe device responds with a ºreplaceº±type DTC.Look up the DTC in ºUnit Check Modeº and replace the de-
vice.
CHEKThe device responds with a ºcheckº±type DTC.Look up the DTC in Unit Check Modeº.
NCONThe device was previously present, but does not respond in
diagnostic mode.1. Check power supply wire harness of the device.
2. Check the AVC±LAN of the device.
OldThe device responds with an ºoldº±type DTC.Look up the DTC in ºUnit Check Modeº.
NRESThe device responds in diagnostic mode, but gives no DTC
information.1. Check power supply wire harness of the device.
2. Check the AVC±LAN of the device.
Code Clear/*3
Present DTCs are cleared.
Memory Clear/*4
Present and past DTCs and registered connected device names are cleared.
(1) Diagnosis MENU Screen
HINT:
Each item is grayed out or not displayed based on the device settings.
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I28238
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I28239
*1
DI±2194
± DIAGNOSTICSNAVIGATION SYSTEM
2388 Author: Date:
2005 SEQUOIA (RM1146U)
(2) Unit Check Mode Screen
Screen Description
DisplayContents
Device name/*1Target device
Segment/*2Target device logical address
DTC/*3DTC (Diagnostic Trouble Code)
Timestamp/*4The time and date of past DTCs are displayed (The year is displayed in 2 digit
format.).
Present Code/*5The DTC output at the service check is displayed.
Past Code/*6Diagnostic memory results and recorded DTCs are displayed.
(3) LAN Monitor (Original) Screen
Check Result/*1
HINT:
Check results of all the devices are displayed.
ResultMeaningAction
No Err
(OK)There are no communication DTCs.±
CHEKThe device responds with a ºcheckº±type DTC.Look up the DTC in ºUnit Check Modeº.
NCONThe device was previously present, but does not respond in
diagnostic mode.1. Check power supply wire harness of the device.
2. Check the AVC±LAN of the device.
OldThe device responded with an old±type DTC.Look up the DTC in ºUnit Check Modeº.
NRESDevice responds in diagnostic mode, but gives no DTC
information.1. Check power supply wire harness of the device.
2. Check the AVC±LAN of the device.
Page 2397 of 4323

I28240
*1
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I28226PKB OFF
REV OFFSPEED 49km/h
TAIL OFFI28974
± DIAGNOSTICSNAVIGATION SYSTEM
DI±2195
2389 Author: Date:
2005 SEQUOIA (RM1146U)
(4) LAN Monitor (Individual) Screen
Screen Description
DisplayContents
Device name/*1Target device
Segment/*2Target logical address
DTC/*3DTC (Diagnostic Trouble Code)
Sub±Code (device address)/*4Physical address stored with DTC (If there is no address, nothing is displayed.).
Connection check No./*5Connection check number stored with DTC.
DTC occurrence/*6Number of times the same DTC has been recorded.
(b) DISPLAY CHECK
(1) Vehicle Signal Check Mode Screen
Screen Description
NameContents
PKBParking brake ON/OFF state is displayed.
REVReverse signal ON/OFF state is displayed.
SPEEDVehicle speed is displayed in km/h.
TAILTAIL signal (Head lamp dimmer switch) ON/OFF state is displayed.
HINT:
Only items sending a vehicle signal will be displayed.
This screen is updated once per second when input signals to the vehicle are changed.
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I28242
I28243
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DI±2196
± DIAGNOSTICSNAVIGATION SYSTEM
2390 Author: Date:
2005 SEQUOIA (RM1146U)
(c) NAVIGATION CHECK
(1) Navigation Check Screen
HINT:
Each item is grayed out or not displayed based on the device settings.
(2) GPS information Screen
Satellite information/*1
(3) Information from a maximum of 12 satellites is displayed on the screen. This information includes
the target GPS satellite number, elevation angle, direction and signal level.
Receiving condition/*2
(DENSO model)
DisplayContents
TThe system is receiving a GPS signal, but is not using it for location.
PThe system is using the GPS signal for location.
±The system cannot receive a GPS signal.
(AISIN AW model)
DisplayContents
01HThe system cannot receive a GPS signal.
02HThe system is tracing a satellite.
03HThe system is receiving a GPS signal, but is not using it for location.
04HThe system is using the GPS signal for location.
Measurement information/*3
DisplayContents
2D2±dimensional location method is being used.
3D3±dimensional location method is being used.
NGLocation data cannot be used.
ErrorReception error has occurred.
±Any other state.
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I28244
*1
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I28245
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± DIAGNOSTICSNAVIGATION SYSTEM
DI±2197
2391 Author: Date:
2005 SEQUOIA (RM1146U)
Position information/*4
DisplayContents
PositionLatitude and longitude information on the current position is displayed.
Date information/*5
DisplayContents
DateThe date/time information obtained from GPS signal is displayed in Greenwich
mean time (GMT). The last 4 digits are displayed.
(4) Vehicle Sensors Screen
Vehicle signal
DisplayContents
REV/*1REV signal ON/OFF state is displayed.
SPD/*2SPD signal condition is displayed.
Sensor signal
DisplayContents
Gyro sensor/*3Gyro sensor output condition is displayed (when the vehicle runs straight or is sta-
tionary, the voltage is approximately 2.5 V).
HINT:
Signals are updated once per second only when vehicle sensor signals are changed.
(5) Parts Information Screen
Screen description
DisplayContents
Navigation Manufacturer/*1Radio and navigation assy manufacturer is displayed.
Navigation Version No./*2Radio and navigation assy version is displayed.
Disc Manufacturer/*3Map disc manufacturer is displayed.
Disc Version No./*4Map disc version is displayed.
Page 2400 of 4323
I28246
DI±2198
± DIAGNOSTICSNAVIGATION SYSTEM
2392 Author: Date:
2005 SEQUOIA (RM1146U)
(6) Memory Copy/Paste Screen
HINT:
This function cannot be used.