Toyota RAV4 manuals

Toyota RAV4 Service Manual: Terminals of ecm

  1. Check ecm

Toyota RAV4. Check ecm


  1. Measure the voltage of the ecm connector.

Hint:

Each ecm terminal's standard voltage is shown in the table below.

In the table, first follow the information under "condition". Look under "symbols (terminal no.)" For the terminals to be inspected. The standard voltage between the terminals is shown under "specified condition".

Use the illustration above as a reference for the ecm terminals.

Toyota RAV4. Terminals of ecm


Toyota RAV4. Terminals of ecm


Toyota RAV4. Terminals of ecm


  1. Using an oscilloscope, check the waveform 1.

Waveform 1 (reference)


Toyota RAV4. Terminals of ecm


  1. Using an oscilloscope, check the waveform 2.

Waveform 2 (reference)


Toyota RAV4. Terminals of ecm


  1. Using an oscilloscope, check the waveform 3.

Waveform 3 (reference)


Toyota RAV4. Terminals of ecm


  1. Using an oscilloscope, check the waveform 4.

Waveform 4 (reference)


Toyota RAV4. Terminals of ecm


  1. Using an oscilloscope, check the waveform 5.

Waveform 5 (reference)


Toyota RAV4. Terminals of ecm


  1. Using an oscilloscope, check the waveform 6.

Waveform 6 (reference)


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 When troubleshooting on-board diagnostic (obd ii) vehicles, the vehicle must be connected to the obd ii scan tool (complying with sae j1987). Various data output from the ...

Other materials:

Input signal circuit abnormal
Description This dtc expresses the internal abnormalities of the ecm. Inspection procedure Check for dtc Clear the dtc (see page cc-15). Check for dtc (see page cc-15). Ok: dtc is not output. End ...

Horn system
Parts location System diagram 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 of the table. Check each symptom by c ...

Short in motor circuit
Description The power steering ecu supplies current to the power steering motor through this circuit. Inspection procedure Reconfirm dtc Check for dtc. Ok: dtc is not output. Replace power steering ecu ...

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