Toyota Sienna Service Manual: DTC check / clear
HINT:
1. START DIAGNOSTIC MODE

- There are 2 methods to start diagnostic mode. Start
the mode by using one of them.
- Method 1
- Start the engine.
- While pressing and holding the "INFO" switch,
operate the light control switch: OFF
Turn ON
Turn OFF
Turn ON
Turn OFF
Turn
ON
Turn OFF.
- The diagnostic mode starts and the "System
Check Mode" screen will be displayed. Service
inspection starts automatically and the result will
be displayed.

- Method 2
- Start the engine.
- Switch to the "Display Check" screen.
- 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.
- The diagnostic mode starts and the "System
Check Mode" screen will be displayed. Service
inspection starts automatically and the result will
be displayed.
2. FINISH DIAGNOSTIC MODE
- There are 2 methods to end diagnostic mode. Use
one of them.
- Turn the ignition switch off.
(2) Press and hold the "DISP
- switch for 3
seconds.
3. DIAGNOSIS MENU

- The "Diagnosis MENU" screen will be displayed by
pressing the menu switch on the "System Check
Mode" screen
4. CHECK DTC

- Read the system check result.
- If the check result is "EXCH", "CHEK" or "Old",
touch the displayed check result to view the
results on the "Unit Check Mode" screen and
record them.
HINT:
- If all check results are "OK", go to
communication DTC check.
- If a device name is not known, its physical
address is displayed.
HINT:
When proceeding to view the results of another
device, press the service switch to return to the
"System Check Mode" screen. Repeat this step.

- Read the communication diagnostic check result.
- Return to the "System Check Mode" screen, and
press the "LAN Mon" switch to enter the "LAN
Monitor" screen.

- If the check result is "CHEK" or "Old", touch the
displayed check result to view the results on the
individual communication diagnostic screen and
record them.
HINT:
- If all check results are "No Err", the system
judges that no DTC exists.
- The sub-code (relevant device) will be
indicated by its physical address.
- When proceeding to view the results of
another device, press the "Service" switch to
return to the original "LAN Monitor" screen.
Repeat this step.
5. DTC CLEAR/RECHECK

- Clear DTC
- Press the "Code CLR" switch for 3 seconds.
- The check results are cleared

- Recheck
- Press the "Recheck" switch.

- Confirm that all diagnostic codes are "OK" when
the check results are displayed. If a code other
than "OK" is displayed, troubleshoot again.

- Press the "LAN Mon" switch to change to the
"LAN Monitor" screen.

- Confirm that all diagnostic codes are "No Err". If
a code other than "No Err" is displayed,
troubleshoot again.
1. RADIO AND NAVIGATION ASSEMBLY
*1: with Rear Seat Entertainment System
Reference: waveform 1
HINT:
Terminal: VV+ - VV-
Gauge set: 200 mV/DIV, 10 μ ...
COMMUNICATION DIAGNOSIS:
SW:
SW WITH NAME:
SW CONVERTING:
COMMAND SW:
FRONT MONITOR:
DVD PLAYER:
TELEPHONE:
NAVI:
IN-DASH CD CHANGER:
GPS:
CAMERA U ...
Other materials:
On-vehicle inspection
1. CHECK POWER MIRROR SWITCH OPERATION
Remote control
The mirror adjust switch can control the adjustment
axis of the mirror surface.
Reverse-linked
This function tilts the mirror surface downward to
improve the visibility when driving in reverse,
provided that all the co ...
Distance Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Distance Control ECU
Communication Stop
Mode
Distance control" is not displayed on the
"Communication Bus Check" screen of the
intelligent tester
Applies to "Distance ...
Disassembly
1. REMOVE RH SEAT REAR SEAT RECLINING COVER
Remove the 2 screws.
Remove the RH seat rear seat reclining cover by
pulling it out in the arrow mark direction shown in
the illustration.
2. REMOVE LH SEAT REAR SEAT RECLINING COVER
Remove the 2 screws.
R ...