Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Ig power source circuit

Description

This is the main power source supplied to the air conditioning amplifier when the ignition switch is on.

This power source is used for operating components, such as the air conditioning amplifier and servo motors.

Wiring diagram

Toyota RAV4. Ig power source circuit


Inspection procedure

  1. Inspect fuse (ecu-ig2)

  1. Remove the ecu-ig2 fuse from the instrument panel junction block.
  2. Measure the resistance of the fuse.

Standard resistance: below 1




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

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


  1. Disconnect the e36 amplifier connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage




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

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


  1. Disconnect the e36 amplifier connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance




Proceed to next circuit inspection shown in problem symptoms table

Compressor circuit
Description When the a/c switch is turned on, the magnetic clutch on signal is sent from the air conditioning amplifier. Then the mg clt relay turns on to operate the magnetic clutch. Wiring diag ...

Refrigerant
...

Other materials:

Yaw rate and deceleration sensor
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 front seat assembly lh For manual seat: ...

Lost communication with front satellite sensor bus rh
Description The front airbag sensor rh consists of the diagnostic circuit and the frontal deceleration sensor. If the center airbag sensor receives signals from the frontal deceleration sensor, it determines whether or not the srs should be activated. Dtc b1602/83, b1603/83, b1612/83 ...

Short in front passenger side pretensioner squib circuit
Description The front passenger side front pretensioner squib circuit consists of the center airbag sensor and the front seat outer belt rh. This circuit instructs the srs to deploy when the deployment conditions are met. These dtcs are recorded when a malfunction is detected in th ...

В© 2011-2025 Copyright www.trav4.net