Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting (2005/11-2006/01)
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*
- Check for dtcs and write down any dtcs that are output.
- Clear the dtcs.
- Recheck for dtcs. Based on the dtcs output above, try to cause output of the air conditioning system dtc by simulating the operation indicated by the dtc.
Result 
- Refer to problem symptoms table
Result 
- Overall analysis and troubleshooting*
- Data list / active test (see page ac-127)
- Terminals of ecu (see page ac-122)
- Adjust, repair or replace
- Confirmation test
End
System description
General
The air conditioning system has the following
features:
The air conditioning amplifier controls the
operation of parts, such as the a/c compressor,
automatically in accord ...
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
...
Other materials:
Problem symptoms table (2006/01- )
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 p ...
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 ...
Air conditioning control panel does not operate
Description
This circuit consists of the air conditioning control and the air
conditioning amplifier. When the air
conditioning control is operated, signals are transmitted to the air
conditioning amplifier through the lin
communication system.
If the lin communication system malfunctions, ...
