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 probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Operation check
Terminals of ecuAll-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 ...
Headlight relay
On-vehicle inspection
Remove headlight relay
Remove the headlight relay from the engine room
no. 2 Relay block.
Measure the resistance of the relay.
Standard resistance
If result is not as specified, replace the relay. ...
Light bulbs
You may replace the following
bulbs by yourself. The
difficulty level of replacement
varies depending on
the bulb. If necessary bulb
replacement seems difficult
to perform, contact your
Toyota dealer.
For more information about
replacing other light bulbs,
contact your Toyota dealer.
Preparing for ...