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:
Sliding roof switch assembly
Removal
Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove map light assembly
Using a clip remover, detach the 4 ...
Valve clearance
Adjustment
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove front wheel rh
Remove no. 1 Engine under cover
Remove ...
Power mirror control system
Parts location
System diagram
System description
The outer mirror switch controls the outer rear view mirror lh
and rh.
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of pr ...