Toyota RAV4 Service Manual: Fail-safe chart
- 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:
: Control master ecu
: Related ecu or sensor
Hint:
: Control master ecu
: Related ecu or sensor
- Abs and traction actuator (skid control ecu) communication stop mode
- Air conditioning amplifier communication stop mode
- Power steering ecu communication stop mode
- Steering angle sensor communication stop mode
- Yaw rate sensor communication stop mode
- Ecm communication stop mode (2005/11-2006/01)
- Ecm communication stop mode (2006/01- )
- Main body ecu communication stop mode
- Combination meter ecu communication stop mode
- Center airbag sensor communication stop mode
- 4Wd control ecu communication stop mode
- Can bus line
- Open in can main wire
- 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
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 di ...
Abs and traction actuator (skid control ecu) communication stop mode
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances
of the main wire and the branch
wire.
After the ignition swi ...
Other materials:
Downhill assist control indicator light remains on
Description
When the downhill assist control switch is pushed on, the downhill assist
control function is available and
the downhill assist control indicator light illuminates.
Hint:
Even if the downhill assist control switch is pressed, the downhill assist
control indicator light will blink ...
Antenna location and effective range
Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage
compartment
Effective range (areas within which the electronic key is
detected)
When locking or unlocking
the doors
The system can be operated
when the electronic key is with ...
Propeller shaft assembly
Components
Removal
Remove propeller shaft with center bearing
shaft assembly
Remove the 2 bolts and 2 adjusting washers, and
disconnect the propeller with center bearing shaft.
Notice:
During the removal, do not exert excessive
force on the universal joint.
When r ...