Toyota RAV4 manuals

Toyota RAV4 Service Manual: Terminals of ecu (2006/01- )

  1. Check air conditioning amplifier

Toyota RAV4. Check air conditioning amplifier


  1. 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.

Toyota RAV4. Check air conditioning amplifier


Toyota RAV4. Check air conditioning amplifier


Hint:

*: For 2gr-fe

  1. Using an oscilloscope, check waveform 1.

A/c compressor* operation signal


Toyota RAV4. Check air conditioning amplifier


Hint:

*: Compressor and pulley for 2az-fe, compressor and magnetic clutch for 2gr-fe.

  1. Using an oscilloscope, check waveform 2.

Blower motor control signal


Toyota RAV4. Check air conditioning amplifier


Hint:

When the blower level is increased, the duty ratio changes accordingly.

  1. Using an oscilloscope, check waveform 3.

Can communication signal


Toyota RAV4. Check air conditioning amplifier


Hint:

The waveform varies depending on the can communication signal.

  1. Using an oscilloscope, check waveform 4.

Can communication signal


Toyota RAV4. Check air conditioning amplifier


Hint:

The waveform varies depending on the can communication signal.

  1. Using an oscilloscope, check waveform 5.

Compressor lock sensor signal*

Toyota RAV4. Check air conditioning amplifier


Hint:

*: For 2gr-fe

  1. Check air conditioning control

Toyota RAV4. Check air conditioning control


  1. Measure the voltage and resistance of the connectors.

Toyota RAV4. Check air conditioning control


Toyota RAV4. Check air conditioning control


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
Discharge fuel system pressure (see page fu-9) Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove hood sub-assembly ( ...

On-vehicle inspection
Check front seat side airbag assembly (vehicle not involved in collision) Perform a diagnostic system check (see page rs- 49). With the front seat side airbag installed on the vehicle, perform a visual check. If any of the defects mentioned below are present, replace the fron ...

Brake warning light does not come on
Wiring diagram Refer to the brake warning light circuit (see page bc-145). Inspection procedure Check can communication system Check if the can communication system dtc is output (see page ca-34). Result Perform active test by intelligent tester (brake warning light) ...

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