Toyota RAV4 manuals

Toyota RAV4 Service Manual: Terminals of ecu

  1. Check transponder key amplifier

Toyota RAV4. Check transponder key amplifier


  1. Disconnect the e5 amplifier connector.
  2. Measure the resistance of the wire harness side connector.

Toyota RAV4. Check transponder key amplifier


If the result is not as specified, there may be a malfunction in the wire harness.

  1. Reconnect the e5 amplifier connector.
  2. Measure the resistance and voltage of the connector.

Toyota RAV4. Terminals of ecu


If the result is not as specified, there may be a malfunction in the amplifier.

  1. Using an oscilloscope, check the waveform 1.

Waveform 1 (reference):


Toyota RAV4. Check transponder key amplifier


Toyota RAV4. Check transponder key amplifier


  1. Using an oscilloscope, check the waveform 2.

Waveform 2 (reference):


  1. Check transponder key ecu

Toyota RAV4. Check transponder key ecu


  1. Disconnect the e46 ecu connector.
  2. Measure the resistance and voltage of the wire harness side connector.

Toyota RAV4. Check transponder key ecu


If the result is not as specified, there may be a malfunction on the wire harness side.

  1. Reconnect the e46 ecu connector.
  2. Measure the resistance and voltage of the connector.

Toyota RAV4. Check transponder key ecu


Toyota RAV4. Check transponder key ecu


If the result is not as specified, there may be a malfunction in the ecu.

  1. Using an oscilloscope, check the waveform 1.

Waveform 1 (reference):


Toyota RAV4. Check transponder key ecu


  1. Using an oscilloscope, check the waveform 2.

Waveform 2 (reference):


Toyota RAV4. Check transponder key ecu


  1. Using an oscilloscope, check the waveform 3.

Waveform 3 (reference):


Toyota RAV4. Check transponder key ecu


  1. Using an oscilloscope, check the waveform 4.

Waveform 4 (reference):


Toyota RAV4. Check transponder key ecu


  1. Check ecm

Toyota RAV4. Check ecm


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

Toyota RAV4. Check ecm


If the result is not as specified, there may be a malfunction in the wire harness.

  1. Using an oscilloscope, check the waveform 1.

Waveform 1 (reference):


Toyota RAV4. Check ecm


  1. Using an oscilloscope, check the waveform 2.

Waveform 2 (reference):


Toyota RAV4. Check ecm


Problem symptoms table
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 ...

Diagnosis system
Description Engine immobiliser system data and diagnostic trouble codes (dtcs) can be read through the vehicle's data link connector 3 (dlc3). In some cases, a malfunction may be occurr ...

Other materials:

Ecu power source circuit
Description This is the power source for the tire pressure warning ecu. Wiring diagram Inspection procedure Notice: It is necessary to register an id code after replacing the tire pressure monitor valve and/or the tire pressure warning ecu (see page tw-9). Inspect fuse (ecu-ig1) ...

Active test
Hint: Performing an active test enables components including the relays, vsv (vacuum switching valve) and actuators, to be operated without removing any parts. The active test can be performed with the intelligent tester. Performing the active test as the first step of troubleshooting is one ...

Fuel system
Precaution Before working on fuel system Do not work near an open flame. Keep gasoline away from rubber and leather parts. Discharge the fuel pressure before disconnecting the fuel line to prevent gasoline from spilling out. Refer to the following procedure. Discharge fuel ...

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