Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 amplifier.
- using an oscilloscope, check waveform 1.
Can communication signal 
Hint:
The waveform varies depending on the can communication signal.
- Using an oscilloscope, check waveform 2.
Can communication signal 
Hint:
The waveform varies depending on the can communication signal.
- Using an oscilloscope, check waveform 3.
Compressor and pulley operation signal
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"
colum ...
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 ampl ...
Other materials:
Checking monitor status
Perform monitor drive pattern
Connect the intelligent tester to the dlc3.
Turn the ignition switch and the tester on.
Clear the dtcs (see page es-35).
Run the vehicle in accordance with the applicable
drive pattern described in readiness monitor
drive pattern (see page es-19). Do ...
Back-up power source circuit
Description
This is the back-up power source circuit for the air conditioning amplifier.
Power is supplied even when the
ignition switch is turned off and is used for functions such as the diagnostic
trouble code memory.
wiring diagram
Inspection procedure
Inspect fuse (ecu-b2)
...
Auto lsd indicator light remains on
Description
This is the auto lsd switch for 2wd. When the auto lsd switch is pushed on,
the auto lsd function is
available and the auto lsd indicator light illuminates.
Hint:
The auto lsd does not operate even if the auto lsd switch is pressed under
the following conditions:
The trc or v ...
