Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting
Hint:
- Use these procedures to troubleshoot the supplemental restraint system.
- *: Use the intelligent tester.
- Vehicle brought to workshop
- Inspect battery voltage*
Standard voltage: 11 to 14 v
If the voltage is below 11 v, recharge or replace the battery before proceeding.
- Check multiplex communication system*
- Check the dtc.
Result
- Check can communication system
- Check the dtc.
Result
- Warning light check*
- Check for dtc (present and past dtcs)
- Check the dtc.
Result 
- Dtc chart
- Circuit inspection
- Repair*
- Clear dtc (present and past dtcs)*
- Check for dtc (present and past dtcs)
- Check the dtc.
Result 
- Confirmation test
End
System description
General
In conjunction with an impact absorbing structure for
a frontal collision, the srs (supplemental restraint
system) driver airbag, front passenger airbag and
driver side knee air ...
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 probability in the "suspected area"
column ...
Other materials:
Back-up power source circuit
Description
This is the back-up power source circuit for the air conditioning amplifier.
Power is supplied even when the
ignition switch is turned off and is used for functions such as the diagnostic
trouble code memory.
wiring diagram
Inspection procedure
Inspect fuse (ecu-b2)
...
Short in motor circuit
Description
The power steering ecu supplies current to the power steering motor through
this circuit.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
Replace power steering ecu ...
Using the steering wheel audio switches
Some audio features can be controlled using the switches on
the steering wheel.
Operation may differ depending on the type of audio system or
navigation system. For details, refer to the manual provided with
the audio system or navigation system.
Volume
Radio mode:
selects a radio stat ...
