Toyota RAV4 manuals

Toyota RAV4 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:

Installation
Install tire pressure warning antenna and receiver Install the receiver with the bolt. Torque: 7.5 N*m (76 kgf*cm, 66 in.*Lbf) Connect the connector. Install inner roof side garnish assembly rh (see page ir-52) Install deck trim side panel assembly rh (w/o rear no. 2 S ...

Throttle / pedal position sensor / switch "d" circuit range / performance
Description Hint: Refer to dtc p2120 (see page es-282). Monitor description When the difference between the output voltages of vpa and vpa2 deviates from the standard, the ecm determines that the accelerator pedal position (app) sensor is malfunctioning. The ecm turns on the mil and th ...

Auto lsd indicator light does not come on
Description Refer to the description of "auto lsd indicator light remains on" (see page bc-164). Wiring diagram Refer to the auto lsd indicator light circuit (see page bc-165). Inspection procedure Check can communication system Check if the can communication system dtc is ...

В© 2011-2019 Copyright www.trav4.net