Diagnosis System

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, 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.

There are 2 methods to start diagnostic mode. Start the mode by using one of them.
Method 1
1. Start the engine.
2. While pressing and holding "INFO" switch, operate the light control switch, OFF --> TAIL --> OFF --> TAIL --> OFF --> TAIL --> OFF.
3. The diagnostic mode starts and the service check screen ("System Check Mode") will be displayed. Service inspection starts automatically and the result will be displayed.
Fig 1: Diagnostic Starting Mode Method 1
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Method 2
1. Start the engine.
2. Switch to the "Display quality adjustment" screen.
3. 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.
4. The diagnostic mode starts and "Service Check" screen will be displayed. Service inspection starts automatically and the result will be displayed.
Fig 2: Diagnostic Starting Mode Method 2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Diagnosis MENU
1. Diagnostic screen will be displayed by pressing the menu switch on the service check screen.
Fig 3: Diagnosis Menu
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.

System Checks

System Check Mode Screen

Fig 4: System Check Mode Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.

PHYSICAL ADDRESS DESCRIPTION

Address No.	Name	Address No.	Name
110	EMV	120	AVX
128	1 DIN TV	140	AVN
144	G-BOOK	178	NAVI
17C	MONET	190	AUDIO H/U
1AC	CAMERA-C	1B0	Rr-TV
1C0	Rr-CONT	1C2	TV-TUNER2
1C4	PANEL	1C6	G/W
1C8	FM-M-LCD	1D8	CONT-SW
1EC	BODY	1F0	RADIO TUNER
1F1	XM	1F2	SIRIUS
230	TV-TUNER	240	CD-CH2
250	DVD-CH	280	CAMERA
360	CD-CH1	3A0	MD-CH
17D	TEL	440	DSP-AMP
530	ETC	5C8	MAYDAY
1A0	DVD-P	1D6	CLOCK
1F4	RSA	1F6	RSE
480	AMP

Check Result/*2

HINT:

Result codes for all devices are displayed.

Fig 5: Result Codes Meaning Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Code Clear/*3

Present DTCs are cleared.

Memory Clear/*4

Present and past DTCs and registered connected device names are cleared.

Diagnosis MENU Screen

Fig 6: Diagnosis Menu Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Each item is grayed out or not displayed based on the device settings.

Unit Check Mode Screen

Fig 7: Unit Check Mode Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Screen Description

SCREEN DESCRIPTION (1 OF 3)

Display	Contents
Device name/*1	Target device
Segment/*2	Target device logical address
DTC/*3	DTC (Diagnostic Trouble Code)
Timestamp/*4	The time and date of past DTCs are displayed (The year is displayed in 2 digit format.).
Present Code/*5	The DTC output at the service check is displayed.
Past Code/*6	Diagnostic memory results and recorded DTCs are displayed.

LAN Monitor (Original) Screen

Fig 8: LAN Monitor (Original) Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check Result/*1

HINT:

Check results of all the devices are displayed.

Fig 9: Check Result Meaning Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

LAN Monitor (Individual) Screen

Fig 10: LAN Monitor (Individual) Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Screen Description

SCREEN DESCRIPTION (2 OF 3)

Display	Contents
Device name/*1	Target device
Segment/*2	Target logical address
DTC/*3	DTC (Diagnostic Trouble Code)
Sub-Code (device address)/*4	Physical address stored with DTC (If there is no address, nothing is displayed.).
Connection check No./*5	Connection check number stored with DTC.
DTC occurrence/*6	Number of times the same DTC has been recorded.

DISPLAY CHECK

Vehicle Signal Check Mode Screen

Fig 11: Vehicle Signal Check Mode Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Screen Description

SCREEN DESCRIPTION (3 OF 3)

Name	Contents
PKB	Parking brake ON/OFF state is displayed.
REV	Reverse signal ON/OFF state is displayed.
SPEED	Vehicle speed is displayed in km/h.
TAIL	TAIL 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.

NAVIGATION CHECK

Navigation Check Screen

Fig 12: Navigation Check Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Each item is grayed out or not displayed based on the device settings.
GPS information Screen

Fig 13: GPS Information Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Satellite information/*1

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)

DISPLAY CONTENTS (DENSO MODEL)

Display	Contents
T	The system is receiving a GPS signal, but is not using it for location.
P	The system is using the GPS signal for location.
-	The system cannot receive a GPS signal.

(AISIN AW model)

DISPLAY CONTENTS (AISIN AW MODEL)

Display	Contents
01H	The system cannot receive a GPS signal.
02H	The system is tracing a satellite.
03H	The system is receiving a GPS signal, but is not using it for location.
04H	The system is using the GPS signal for location.

Measurement information/*3

MEASUREMENT INFORMATION

Display	Contents
2D	2-dimensional location method is being used.
3D	3-dimensional location method is being used.
NG	Location data cannot be used.
Error	Reception error has occurred.
-	Any other state.

Position information/*4

POSITION INFORMATION

Display	Contents
Position	Latitude and longitude information on the current position is displayed.

Date information/*5

DATE INFORMATION

Display	Contents
Date	The date/time information obtained from GPS signal is displayed in Greenwich mean time (GMT). The last 4 digits are displayed.

Vehicle Sensors Screen

Fig 14: Vehicle Sensor Screen

Vehicle signal

VEHICLE SIGNAL

Display	Contents
REV/*1	REV signal ON/OFF state is displayed.
SPD/*2	SPD signal condition is displayed.

Sensor signal

SENSOR SIGNAL DESCRIPTION

Display	Contents
Gyro sensor/*3	Gyro sensor output condition is displayed (when the vehicle runs straight or is stationary, the voltage is approximately 2.5 V).

HINT:

Signals are updated once per second only when vehicle sensor signals are changed.

Parts Information Screen

Fig 15: Parts Information Screen

Screen description

SCREEN DESCRIPTION

Display	Contents
Navigation Manufacturer/*1	Radio and navigation assy manufacturer is displayed.
Navigation Version No./*2	Radio and navigation assy version is displayed.
Disc Manufacturer/*3	Map disc manufacturer is displayed.
Disc Version No./*4	Map disc version is displayed.

Memory Copy/Paste Screen

Fig 16: Memory Copy/Paste Screen

HINT:

This function cannot be used.