Toyota RAV4 manuals

Toyota RAV4 Service Manual: Antenna coil open / short

Toyota RAV4. 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 outputs the signal to the transponder key ecu.

Toyota RAV4. Antenna coil open / short


Wiring diagram

Toyota RAV4. Antenna coil open / short


Inspection procedure

  1. Read value of intelligent tester (transponder key coil)

  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 / antenna coil. Read the result.

Toyota RAV4. Read value of intelligent tester (transponder key coil)


Ok: normal (transponder key coil is normal) appears on the screen.



  1. Check wire harness (transponder key ecu - transponder key amplifier)

Toyota RAV4. Check wire harness (transponder key ecu - transponder key amplifier)


  1. Disconnect the e46 ecu connector.
  2. Disconnect the e5 amplifier connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




Replace transponder key amplifier

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 ...

Transponder chip malfunction
Description This dtc is output when: 1) during key code registration, a key malfunction occurs; 2) the key code was unable to be registered properly. Inspection procedure Reregister k ...

Other materials:

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Vehicle features and options
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Diagnosis system
Description When troubleshooting obd ii (on-board diagnostics) vehicles, the intelligent tester (complying with sae j1987) must be connected to the dlc3 (data link connector 3) of the vehicle. Various data in the vehicle's ecm (engine control module) can be then read. Obd ii regulations ...

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