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:
Diagnosis system
Description
When troubleshooting obd ii (on-board diagnostics)
vehicles, the intelligent tester (complying with sae
j1987) must be connected to the dlc3 (data link
connector 3) of the vehicle. Various data in the vehicle's
ecm (engine control module) can be then read.
Obd ii regulations ...
Instrument panel
Engine switch
Starting the engine/changing the modes
Emergency stop of the engine
When the engine will not start
Warning messages*1
Shift lever
Changing the shift position
Precautions against towing
When the shift lever does not move
Meters
Reading the meters/adjusting the instrument pa ...
Check for intermittent problems
Hint:
Inspect the vehicle's ecm using check mode. Intermittent
problems are easier to detect with the intelligent tester when
the ecm is in check mode. In check mode, the ecm uses 1
trip detection logic, which is more sensitive to malfunctions
than normal mode (default), which uses 2 trip detec ...
