Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting (2006/01- )
Hint:
- Use these procedures to troubleshoot the air conditioning
system.
- *: Use the intelligent tester.
- Vehicle brought to workshop

- Customer problem analysis and symptom check

- Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.

- Check can communication system*
- Use the intelligent tester to check if the can
communication system is functioning.
Result

- Check dtc or check sensor check code through panel diagnosis*
- Check dtcs or sensor check codes.
- Write down the dtcs or sensor check codes.
- Clear the dtcs or sensor check codes.
- Check whether the dtcs or sensor check codes recur.
- Reproduce the problem symptoms in accordance
with the dtcs or sensor check codes that were
written down, and check whether the dtcs or
sensor check codes recur.
Hint:
Refer to the dtc chart when any dtcs or sensor
check codes are output.
Result 

- Refer to problem symptoms table
Result

- Overall analysis and troubleshooting*
- Data list / active test (see page ac-37)
- Panel diagnosis (indicator check) (see page ac-31)
- Panel diagnosis (sensor check) (see page ac-31)
- Panel diagnosis (actuator check) (see page ac-31)
- Terminals of ecu (see page ac-27)
- Adjust, repair or replace
- Confirmation test
End
Hint:
Use these procedures to troubleshoot the air conditioning
system.
*: Use the intelligent tester.
Vehicle brought to workshop
Customer problem analysis and symptom check
...
Hint:
The following items can be customized.
Notice:
When the customer requests a change in a function,
first make sure that the function can be customized.
Be sure to make a note of the cur ...
Other materials:
Fog light relay
On-vehicle inspection
Inspect front fog light relay
Remove the front fog relay from the no. 6 Relay
block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
Ecu malfunction
Description
Inspection procedure
If the power steering ecu detects these dtcs, it will shut off the motor
relay circuit (built into the power
steering ecu) and stop power assist. However, power assist continues if dtc
c1533 is output.
Reconfirm dtc
Check for dtc.
Ok:
dtc i ...
Occupant classification ecu malfunction
Description
Dtc b1795 is recorded when a malfunction is detected in the occupant
classification ecu.
Troubleshoot dtc b1771 first when dtc b1771 and b1795 are output simultaneously.
Wiring diagram
Inspection procedure
Check for dtc
Turn the ignition switch on, and wait ...