Toyota RAV4 manuals

Toyota RAV4 Service Manual: Light control switch circuit

Description

This circuit detects the state of the headlight dimmer switch.

Wiring diagram

Toyota RAV4. Light control switch circuit


Inspection procedure

  1. Read value of intelligent tester (main body ecu)

  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on and press the intelligent tester main switch on.
  3. Select the items below in the data list, and read the displays on the intelligent tester.

Toyota RAV4. Read value of intelligent tester (main body ecu)


Ok: on is displayed on the intelligent tester screen.


  1. Inspect headlight dimmer switch

Toyota RAV4. Inspect headlight dimmer switch


  1. Remove the headlight dimmer switch.
  2. Measure the resistance of the switch.

Standard resistance



  1. Check wire harness (main body ecu - dimmer switch and body ground)

Toyota RAV4. Check wire harness (main body ecu - dimmer switch and body ground)


  1. Disconnect the e12 headlight dimmer switch connector.
  2. Disconnect the ie and ij instrument panel junction block connectors.
  3. Disconnect the e15 and e17 main body ecu connectors.
  4. Measure the resistance of the wire harness side connectors.

Standard resistance



Replace instrument panel junction block (main body ecu)

Back-up light circuit
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Door courtesy switch circuit
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Other materials:

Rear no. 2 Suspension arm
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Turning on the high beam headlights
With the headlights on, push the lever away from you to turn on the high beams. Pull the lever toward you to the center position to turn the high beams off. Pull the lever toward you and release it to flash the high beams once. You can flash the high beams with the headlig ...

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 Inspection procedure Inspect fuse (ecu-i ...

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