Toyota RAV4 manuals

Toyota RAV4 Service Manual: Push switch / key unlock warning switch malfunction

Toyota RAV4 Service Manual / Engine immobiliser / Diagnosis system / Diagnostic trouble code chart / Push switch / key unlock warning switch malfunction

Toyota RAV4. Push switch / key unlock warning switch malfunction


Description

This dtc is output if the transponder key ecu does not detect that the unlock warning switch is on even when the ignition switch is on. Under normal conditions, the unlock warning switch is on when the ignition switch is on.

Toyota RAV4. Push switch / key unlock warning switch malfunction


Wiring diagram

Toyota RAV4. Push switch / key unlock warning switch malfunction


Inspection procedure

  1. Read value of intelligent tester (unlock warning switch)

  1. Connect the intelligent tester (with can vim) to the dlc3.
  2. Turn the ignition switch on with a key that cannot start the engine.
  3. On the intelligent tester, enter the following menus: diagnosis / obd/mobd / immobiliser / data list / key sw. Read the result.

Toyota RAV4. Read value of intelligent tester (unlock warning switch)


Ok: on (key is in ignition key cylinder) appears on the screen.



  1. Inspect unlock warning switch assembly

Toyota RAV4. Inspect unlock warning switch assembly


  1. Remove the unlock warning switch.
  2. Measure the resistance of the switch.

Standard resistance




  1. Check wire harness (unlock warning switch - body ground)

Toyota RAV4. Check wire harness (unlock warning switch - body ground)


  1. Disconnect the e6 switch connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance




  1. Check wire harness (unlock warning switch - transponder key ecu)

Toyota RAV4. Check wire harness (unlock warning switch - transponder key ecu)


  1. Disconnect the e6 switch connector.
  2. Disconnect the e46 ecu connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




Replace transponder key ecu

Diagnostic trouble code chart
...

Antenna coil open / short
Description The transponder key coil receives key code signals from the transponder chip in the key grip. The coil built into the transponder key amplifier amplifies the key code signals and ...

Other materials:

Diagnosis system
Check dlc3 The ecm uses iso 15765-4 for communication. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 15765-4 format. If the result is not as specified, the dlc3 may have a malfunction. Repair or replace the harness and connector. Hint: Conn ...

Assist grips
An assist grip installed on the ceiling can be used to support your body while sitting on the seat. Caution Assist grip Do not use the assist grip when getting in or out of the vehicle or rising from your seat. Doing so could damage the assist grip, or could cause you to injure yourse ...

Cooling system
On-vehicle inspection Check cooling system for leaks Remove the radiator reservoir cap. Caution: To avoid the danger of being burned, do not remove the radiator reservoir cap while the engine and radiator are still hot. Thermal expansion will cause hot engine coolant and steam to b ...

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