Toyota RAV4 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:
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Remove roof rack support sub-assembly center
Remove the 4 roof carrier caps and roof rack
support center.
Remove roof rack bar front
Remove the 4 screws ...
Circuit inspection
A description of the main areas of each circuit inspection
is below.
Item
Description
description
The major role, operation of the circuit and its component parts are
explained.
Dtc no., Dtc detection condition, trouble area
Indicates the diagnostic trouble cod ...
Data list / active test
Read data list
Hint:
Using the intelligent tester's data list allows switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the data list early in
troubleshooting is one way to save time.
Connect the intelligent tester to the dlc3.
Turn the igni ...