Toyota RAV4 (XA40) 2013-2018 Service Manual: Terminals of ecu (2006/01- )
- Check air conditioning amplifier
- Measure the voltage and resistance of the connectors.
Hint:
Check from the rear of the connector while it is connected to the air conditioning amplifier.
Hint:
*: For 2gr-fe
- Using an oscilloscope, check waveform 1.
A/c compressor* operation signal
Hint:
*: Compressor and pulley for 2az-fe, compressor and magnetic clutch for 2gr-fe.
- Using an oscilloscope, check waveform 2.
Blower motor control signal 
Hint:
When the blower level is increased, the duty ratio changes accordingly.
- Using an oscilloscope, check waveform 3.
Can communication signal 
Hint:
The waveform varies depending on the can communication signal.
- Using an oscilloscope, check waveform 4.
Can communication signal 
Hint:
The waveform varies depending on the can communication signal.
- Using an oscilloscope, check waveform 5.
Compressor lock sensor signal* 
Hint:
*: For 2gr-fe
- Check air conditioning control
- Measure the voltage and resistance of the connectors.
Terminals of ecu (2005/11-2006/01)
Check air conditioning amplifier
Measure the voltage and resistance of the
connectors.
Hint:
Check from the rear of the connector while it is
connected to the air conditioning ampl ...
Diagnosis system
Description
Air conditioning system data and the diagnostic
trouble codes (dtcs) can be read through the
data link connector 3 (dlc3) of the vehicle. When
the system seems to be malfunc ...
Other materials:
Operation flow
Hint:
Perform troubleshooting in accordance with the
procedures below. The following is an outline of basic
troubleshooting procedures. Confirm the troubleshooting
procedures for the circuit you are working on before
beginning troubleshooting.
Ask
the customer about the conditions and en ...
Horn system
Parts location
System diagram
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 of
the table. Check each symptom by c ...
Disassembly
Remove no. 1 Side defroster nozzle duct
Remove the 3 screws and duct.
Remove no. 2 Side defroster nozzle duct
Remove the 3 screws and duct.
Remove no. 1 Heater to register duct
Remove the screw and duct.
Remove no. 2 Heater to register duct
...
