Toyota Sienna Service Manual: Fail-safe chart
1. FAIL-SAFE FUNCTION
- When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.
- The table below shows the effects on each system when communication is impossible. For further details, refer to each system.
HINT:
- A: Main control judgment system
- B: Location where necessary control information is input
- Skid Control ECU Communication Stop Mode
- Distance Control ECU Communication Stop Mode
- Gateway ECU Communication Stop Mode
- Steering Angle Sensor Communication Stop Mode
- Yaw Rate Sensor Communication Stop Mode
- ECM Communication Stop Mode
- CAN Bus Line
- Open in CAN Main Bus Line
- Short in CAN Bus Lines
- Short to B+ in CAN Bus Line
- Short to GND in CAN Bus Line
- Open in One Side of CAN Branch Line
Diagnosis system
1. BUS CHECK
Select "BUS CHECK" from the "OBD/MOBD
MENU" screen.
HINT:
The ECUs and sensors that are properly connected
to the CAN communication system can be displaye ...
Skid Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Skid Control ECU
Communication Stop
Mode
"ABS/VSC/TRC" is not displayed on the
" ...
Other materials:
Using a flatbed truck
If you use chains or cables to tie
down your vehicle, the angles
shaded in black must be 45.
Do not overly tighten the tie
downs or the vehicle may be damaged.
WARNINGObserve the following precautions.
Failure to do so may result in death or serious injury.
When tow ...
“Contact/Call History Settings” screen
Display the “Phone/Message Settings” screen.
Select “Contact/Call History Settings”.
Select the desired item to be set.
For PBAP compatible
Bluetooth® phones, select to
set “Automatic Transfer” on/
off. When set to on, the
phone’s contact data and history
a ...
On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE
INVOLVED IN COLLISION)
Perform a diagnostic system check.
Even if the airbag was not deployed, check if there
is any dama ...
