Toyota RAV4 manuals

Toyota RAV4 Service Manual: All doors cannot be locked / unlocked simultaneously

Toyota RAV4 Service Manual / Door lock / Power door lock control system / Data list / active test / All doors cannot be locked / unlocked simultaneously

Description

The main body ecu receives switch signals from the door control switch on the power window regulator master switch, door control switch and driver side door key cylinder, and activates the door lock motor on each door accordingly.

Wiring diagram

Toyota RAV4. All doors cannot be locked / unlocked simultaneously


Inspection procedure

  1. Perform active test by intelligent tester (door lock)

  1. Select the active test, use the intelligent tester to generate a control command, and then check that the doors lock / unlock.

Toyota RAV4. Perform active test by intelligent tester (door lock)


Ok: doors can lock / unlock.


  1. Inspect fuse (ecu-b)

  1. Remove the ecu-b fuse from the engine room no. 2 Relay block.
  2. Measure the resistance.

Standard resistance: below 1



  1. Check wire harness (ecu - battery and body ground)

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


  1. Disconnect the ih and ie junction block connectors.
  2. Measure the voltage of the wire harness side connector.

Standard voltage


  1. Measure the resistance of the wire harness side connector.

Standard resistance




Replace instrument panel junction block (main body ecu)

  1. Inspect all doors lock / unlock operation

  1. All doors can be locked/unlocked at once using the following:
  1. Proceed to the next step according to the symptom if all the doors cannot be locked / unlocked at once.

Toyota RAV4. Inspect all doors lock / unlock operation




  1. Inspect driver side door lock / unlock operation

  1. Proceed to the next step according to the symptom listed in the table below.

Toyota RAV4. Inspect driver side door lock / unlock operation




  1. Read value of intelligent tester (door control switch on master switch)

  1. Use the data list to check if the door control switch is functioning properly.

Toyota RAV4. Read value of intelligent tester (door control switch on master switch)


Ok: when the switch is operating, the intelligent tester should display as shown in the table.



  1. Inspect power window regulator master switch assembly (door control switch)

Toyota RAV4. Inspect power window regulator master switch assembly (door control switch)


  1. Remove the master switch.
  2. Measure the resistance of the door control switch.

Standard resistance




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

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


  1. Disconnect the h2 master switch connector.
  2. Disconnect the ih junction block connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




Replace instrument panel junction block (main body ecu)

  1. Read value of intelligent tester (door key switch)

  1. Use the data list to check if the door key is functioning properly.

Toyota RAV4. Read value of intelligent tester (door key switch)


Ok: when the door key is operating, the intelligent tester should display as shown in the table.



  1. Inspect front door with motor lock assembly lh

Toyota RAV4. Inspect front door with motor lock assembly lh

  1. Remove the front door lock.
  2. Measure the resistance of the door lock and unlock switch.

Standard resistance




  1. Check wire harness (motor - ecu and body ground)

Toyota RAV4. Check wire harness (motor - ecu and body ground)


  1. disconnect the h5 door lock motor connector.
  2. Disconnect the e15 ecu connector.
  3. Disconnect the ih junction block connector.
  4. Measure the resistance of the wire harness side connectors.

Standard resistance



Replace instrument panel junction block (main body ecu)

  1. Inspect door control switch assembly

Toyota RAV4. Inspect door control switch assembly


  1. Remove the control switch.
  2. Measure the resistance of the door control switch.

Standard resistance




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

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


  1. Disconnect the g6 switch connector.
  2. Disconnect the ih junction block connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




Replace instrument panel junction block (main body ecu)

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