Toyota RAV4 Service Manual: Auto lsd indicator light does not come on
Description
Refer to the description of "auto lsd indicator light remains on" (see page bc-164).
Wiring diagram
Refer to the auto lsd indicator light circuit (see page bc-165).
Inspection procedure
- Check can communication system
- Check if the can communication system dtc is output (see page ca-34).
Result 
- Read value of intelligent tester (auto lsd switch)
- Check the data list for proper functioning of the auto lsd switch.
Ok: on (downhill assist control switch is on) appears on the screen.
- Perform active test by intelligent tester (auto lsd indicator light)
- Select the active test, generate a control command, and then check that the auto lsd indicator light operates.
Ok: the auto lsd indicator light turns on and off.
- Inspect combination meter assembly
- Inspect the combination meter (see page me-15).
Replace abs and traction actuator assembly
- Inspect auto lsd switch
- Disconnect the auto lsd switch switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (auto lsd switch - skid control ecu and body ground)
- Disconnect the a19 ecu connector.
- Disconnect the e51 switch connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
Replace abs and traction actuator assembly
Auto lsd indicator light remains on
Description
This is the auto lsd switch for 2wd. When the auto lsd switch is pushed on,
the auto lsd function is
available and the auto lsd indicator light illuminates.
Hint:
The auto lsd does n ...
Skid control buzzer circuit
Description
The skid control buzzer sounds while the vsc is activated.
Wiring diagram
Inspection procedure
Notice:
When replacing the abs and traction actuator, perform the zero point
calib ...
Other materials:
Ambient temperature sensor circuit
Description
The ambient temperature sensor is installed in the front part of the
condenser to detect the ambient
temperature and control the air conditioner. The sensor is connected to the
combination meter and
detects fluctuations in the ambient temperature. This data is used for
contr ...
Steptronic transmission- Engaging selector lever positions
General information
To prevent the vehicle from creeping after you
select a drive mode, maintain pressure on the
brake pedal until you are ready to start.
Functional requirements
Only when the drive-ready state is switched on
and the brake pedal is depressed is it possible to
change from selector le ...
All-wheel drive lock
switch (awd models)
All-wheel drive lock mode can be used when a large amount of
drive power needs to be applied to all the wheels, such as when
the vehicle gets stuck in mud and you need to free it.
Press the switch.
The torque of the engine is distributed
to the rear wheels to the maximum
extent possible in
ac ...
