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:

Problem symptoms table (2006/01- )
Hint: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace p ...

General maintenance (2006/01- )
Inspect drive belt (see page em-7) Replace spark plugs (see page ig-7) Replace air cleaner filter Remove the air filter. Visually check that the air filter is not excessively damaged or oily. Replace the air filter with a new one, if necessary. Replace engine oil and oil fil ...

Removal (2006/01- )
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 door scuff plate lh Using a screwdriver, detach the 10 cla ...

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