Toyota Sienna Service Manual: Diagnosis display detailed description

Toyota Sienna Service Manual / Navigation / Navigation system / 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.

1. SYSTEM CHECK

System Check Mode Screen

SYSTEM CHECK

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.

SYSTEM CHECK

Check Result/*2

HINT: Result codes for all devices are displayed.

SYSTEM CHECK

Code Clear/*3

Present DTCs are cleared.
Press the "Code CLR" switch for 3 seconds.

Memory Clear/*4

- Present and past DTCs and registered connected device names are cleared.
Press the "Memory CLR" switch for 3 seconds.

Diagnosis MENU Screen

SYSTEM CHECK

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

Unit Check Mode Screen

SYSTEM CHECK

Screen Description:

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	DTCs output at the service check are displayed.
Past Code/*6	Diagnostic memory results and recorded DTCs are displayed
Diagnosis Clear Switch/*7	Pushing this switch for 3 seconds clears the diagnostic memory data of the target device. (Both response to diagnostic system check result and the displayed data are cleared.)

LAN Monitor (Original) Screen

SYSTEM CHECK

Check Result/*1

HINT: Check results of all the devices are displayed.

SYSTEM CHECK

LAN Monitor (Individual) Screen

SYSTEM CHECK

Screen Description:

SYSTEM CHECK

2. DISPLAY CHECK

Vehicle Signal Check Mode Screen

DISPLAY CHECK

Screen Description:

Screen Description

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.

CAN Connection Check Screen

DISPLAY CHECK

Screen Description:

Name	Contents
CAN Connection check result/*1	For systems connected to the CAN system, the results of the CAN connection check are displayed. "NG" - The ignition switch is ACC or ON and the CAN communication lines are malfunctioning or the CAN bus lines are not connected. "OK" - The ignition switch is ACC or ON and the CAN communication lines are normal. Blank - CAN connection check is performed with the ignition switch is ACC or off

HINT:

This function operates only for the systems connected to the CAN system.
When the ignition switch is turned off, the bus lines are disconnected, or a malfunction occurs in the bus lines while the CAN connection check result is being displayed, the problem will be reflected on the screen in real time.

HINT: When the ignition switch is turned off, the bus lines are disconnected, or a malfunction occurs in the bus lines while the CAN connection check result is being displayed, the problem will be reflected on the screen in real time

3. NAVIGATION CHECK

Navigation Check Screen

NAVIGATION CHECK

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

GPS Information Screen

NAVIGATION CHECK

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):

DENSO model

(AISIN AW model):

AISIN AW model

Measurement information/*3:

Measurement information

Position information/*4

Position information

Date information/*5:

Date information

Vehicle Sensors Screen

NAVIGATION CHECK

Vehicle signal:

Vehicle signal:

Sensor signal:

Sensor signal

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

Microphone & Voice Recognition Check Screen

NAVIGATION CHECK

Screen Description:

Screen Description

HINT:

The microphone input function is on at all times when this screen is displayed.
While recording or playing, the switches other than the stop switch cannot be pushed.
When no voice is recorded, the play switch cannot be pushed.
Recording will stop after 5 seconds or by pushing the stop switch.

NAVIGATION CHECK

Screen Description:

Screen Description

Trouble Code Description:

Trouble Code Description

HINT: This is a DVD player check function in the radio and navigation assembly (built-in navigation ECU).

Navigation check mode

HINT: This mode displays GPS satellite information. Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas ...

Problem symptoms table

HINT: Before inspecting the suspected areas listed in the table below, check the fuse and relay. Before inspecting the suspected areas listed in the table below, check the DTCs. ...

Other materials:

Intake Air Temperature Circuit
DESCRIPTION The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF) meter, monitors the IAT. The IAT sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the IAT is low, the resistance of the thermistor i ...

Cranking Holding Function Circuit
DESCRIPTION The system detects the ignition switch's starting signal (STSW) and then supplies current to the starter until the ECM judges that the engine has started successfully. The purpose is to reduce the holding time of the ignition key. WIRING DIAGRAM Refer to DTC P0617. INSPECTI ...

Cellular Phone cannot Send / Receive
INSPECTION PROCEDURE 1 CHECK BLUETOOTH SETTINGS Check if the Bluetooth settings are correct. OK: Bluetooth settings are correct. 2 CHECK CELLULAR PHONE Check if the cellular phone is Bluetooth compatible. HINT: Some versions of Bluetooth compatible cellular phones may not function ...