Toyota RAV4 (XA40) 2013-2018 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:
Back-up light circuit
Description
The park / neutral position switch turns on when the shift lever is moved
into the r position, causing the
back-up lights to illuminate.
Wiring diagram
Inspection procedure
Inspect fuse (gauge1)
Remove the gauge1 fuse from the instrument panel
junction block.
Meas ...
Underdrive clutch
Components
Disassembly
Inspect pack clearance of underdrive
clutch (see page ax-247)
Remove no. 1 Underdrive clutch disc
Using a screwdriver, pry out the underdrive clutch
flange snap ring.
Remove the flange, 3 discs and 3 plates from the
underdrive clutch drum.
In ...
Reassembly
Caution:
Wear protective gloves. Sharp areas on the seat frame
(with adjuster) may injure your hands.
Install front seat wire
Install seat position airbag sensor (see
page rs-390)
Install lumbar support adjuster assembly
Install the lumbar support adjuster with the 2
screws.
...
