Toyota RAV4 manuals

Toyota RAV4 Service Manual: Air conditioning control panel does not operate

Description

This circuit consists of the air conditioning control and the air conditioning amplifier. When the air conditioning control is operated, signals are transmitted to the air conditioning amplifier through the lin communication system.

If the lin communication system malfunctions, the air conditioning amplifier does not operate even if the air conditioning control is operated.

Wiring diagram

Toyota RAV4. Air conditioning control panel does not operate


Inspection procedure

  1. Check wire harness (air conditioning control assembly - body ground)

Toyota RAV4. Check wire harness (air conditioning control assembly - body ground)


  1. Disconnect the air conditioning control assembly connector.
  2. measure the resistance of the wire harness side connector.

Standard resistance




  1. Check wire harness (air conditioning control assembly - battery)


  1. Disconnect the e23 air conditioning control assembly connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage




  1. Check wire harness (air conditioning amplifier - air conditioning control)

Toyota RAV4. Check wire harness (air conditioning amplifier - air conditioning control)


  1. Disconnect the e23 control connector.
  2. Disconnect the e37 amplifier connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




  1. Replace air conditioning amplifier

  1. Replace the air conditioning control with a new or properly functioning one.
  2. Operate the air conditioning control to check that it functions properly.

Toyota RAV4. Replace air conditioning amplifier




Replace air conditioning amplifier

Multiplex communication circuit
Description The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system. Wiring diagram Inspection procedure Check dt ...

Blower motor circuit
Description The blower motor is operated by signals from the air conditioning amplifier. Blower motor speed signals are transmitted in accordance with changes in the duty ratio. Wiring diagra ...

Other materials:

Registration
Perform vehicle stability control system recognition in ecm Notice: If the vehicle has both cruise control and vsc, when replacing ecm, perform vsc recognition as follows: Turn the ignition switch on. After waiting approximately 5 seconds, turn the cruise control main switch on. Ke ...

License plate light assembly
Components Removal 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 back door center garnish (see page ed-59) ...

Disposal
Hint: When scrapping a vehicle equipped with an srs or disposing of the front passenger side knee airbag, be sure to deploy the airbag first in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the service dept. Of toyota motor sales, ...

В© 2011-2019 Copyright www.trav4.net