Toyota RAV4 manuals

Toyota RAV4 Service Manual: Headlight relay circuit

Description

When the light control switch, located on the headlight dimmer switch, is turned to the head position, the head relay illuminates the headlights.

Wiring diagram

Toyota RAV4. Headlight relay circuit


Inspection procedure

  1. Perform active test by intelligent tester (headlight)

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

Toyota RAV4. Perform active test by intelligent tester (headlight)


Ok: headlight comes on



  1. Inspect fuse (head ll, head rl)

  1. Remove the head ll fuse and head rl fuse from the engine room no. 2 Relay block.
  2. Measure the resistance of the fuses.

Standard resistance: below 1




  1. Inspect headlight relay (marking: head)

Toyota RAV4. Inspect headlight relay (marking: head)


  1. Remove the headlight relay from the engine room no. 2 Relay block.
  2. Measure the resistance of the relay.

Standard resistance




  1. Inspect bulb (headlight bulb)

Toyota RAV4. Inspect bulb (headlight bulb)


  1. Remove the headlight bulbs (low).
  2. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, then check that the bulb illuminates.

Ok: bulb illuminates.



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

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


  1. Disconnect the e15 main body ecu connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage 




  1. Check instrument panel junction block (main body ecu)

Toyota RAV4. Check instrument panel junction block (main body ecu)


  1. Measure the voltage of the main body ecu.

Standard voltage




Repair or replace harness and connector (head relay - headlight bulb and body ground)

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

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


  1. Disconnect the e17 main body ecu connector.
  2. Disconnect the e12 headlight dimmer switch connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




  1. Inspect headlight dimmer switch

Toyota RAV4. Inspect headlight dimmer switch


  1. Disconnect the e12 headlight dimmer switch.
  2. Measure the resistance of the switch.

Standard resistance




Repair or replace harness and connector (headlight dimmer switch - body ground)

Stop light switch circuit
Description When the stop light switch is turned on, current flows to the stop lights to illuminate them. Wiring diagram Inspection procedure Inspect fuse (stop) Remove the stop fus ...

Drl relay circuit
Description The main body ecu controls the daytime running light no. 2 Relay (marking: drl no.2). Wiring diagram Inspection procedure Inspect daytime running light relay (marking: drl no. ...

Other materials:

Front speed sensor
Components Removal Hint: Use the same procedures for the lh side and rh side. The procedures listed below are for the lh side. Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery termin ...

Back door lock
Inspection Inspect back door with motor lock assembly Apply the battery voltage to the door lock motor and check the operation of the door lock motor. Ok If the result is not as specified, replace the door lock assembly. ...

Pressure control solenoid "d" performance (shift solenoid valve slt)
Description The throttle pressure that is applied to the primary regulator valve (which modulates the line pressure) causes the solenoid valve slt, under electronic control, to precisely modulate and generate the line pressure according to the extent that the accelerator pedal is depr ...

В© 2011-2022 Copyright www.trav4.net