Toyota RAV4 manuals

Toyota RAV4 Service Manual: Illumination circuit

Description

The main body ecu receives information regarding the door courtesy switch and door lock position switch, and turns on the room light.

Wiring diagram

Toyota RAV4. Illumination circuit


Inspection procedure

  1. Perform active test by intelligent tester (main body ecu)

  1. Connect the intelligent tester (with can vim) to the dlc3.
  2. Turn the ignition switch to the on position and press the intelligent tester main switch on.
  3. Select the items below in the active test and then check the main body ecu operation.

Toyota RAV4. Perform active test by intelligent tester (main body ecu)


Ok: light comes on.



  1. Inspect fuse (dome)

  1. Remove the dome fuse from the engine room no. 2 Relay block.
  2. Measure the resistance of the fuse.

Standard resistance: below 1




  1. Inspect room light assembly

Toyota RAV4. Inspect room light assembly


  1. Remove the room light assembly
  2. Measure the resistance of the room light switch base.

Standard resistance




  1. Inspect room light bulb

Toyota RAV4. Inspect room light bulb


  1. Remove the room light assembly.
  2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the light comes on when the switch is in the door position.

Ok: light comes on.

  1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 3, then check that the light comes on when the switch is in the on position.

Ok: light comes on.



  1. Check harness and connector (battery - room light and main body ecu)

Toyota RAV4. Check harness and connector (battery - room light and main body ecu)


  1. Disconnect the ik instrument panel junction block connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage




  1. Inspect map light bulb

Toyota RAV4. Inspect map light bulb


  1. Remove the map light assembly.
  2. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the light comes on when the switch is in the door position.

Ok: light comes on.

Toyota RAV4. Inspect map light bulb


  1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 7, then check that the light comes on when the switch is in the on position.

Ok: light comes on.



  1. Inspect map light

Toyota RAV4. Inspect map light


  1. Replace the map light bulb with a normally functioning one or a new one.
  2. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the light comes on when the switch is in the door position.

Ok: light comes on.

Toyota RAV4. Inspect map light


  1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 7, then check that the light comes on when the switch is in the on position.

Ok: light comes on.



Replace map light bulb

  1. Check wire harness (battery - map light and main body ecu)

Toyota RAV4. Check wire harness (battery - map light and main body ecu)


  1. Disconnect the ik instrument panel junction block connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage



  1. Inspect ignition key cylinder light

Toyota RAV4. Inspect ignition key cylinder light


  1. W/ engine immobiliser system

 

  1. Remove the transponder key amplifier (ignition key cylinder light).
  2. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 6, then check that the light comes on.

Ok: light comes on.

  1. W/o engine immobiliser system

Toyota RAV4. Inspect ignition key cylinder light


  1. Remove the ignition key cylinder light.
  2. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, then check that the light comes on.

Ok: light comes on.


  1. Check wire harness (battery - main body ecu)

Toyota RAV4. Check wire harness (battery - main body ecu)


  1. Disconnect the ie instrument panel junction block connector.
  2. Measure the voltage of the wire harness side connector.


Replace instrument panel junction block

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