Toyota RAV4 manuals

Toyota RAV4 Service Manual: Terminals of ecu

  1. Skid control ecu

Toyota RAV4. Skid control ecu


Hint:

*1: W/ 16-inch disc

*2: W/ downhill assist control

*3: For 2wd (w/ auto lsd)

  1. Check skid control ecu

Toyota RAV4. Check skid control ecu


  1. Disconnect the a19 ecu connector.
  2. Measure the voltage and resistance of the wire harness side connector.

Hint:

The voltage cannot be measured with the connector connected to the skid control ecu as the connector is water resistant.

Toyota RAV4. Check skid control ecu


Hint:

*1: W/ 16-inch disc

*2: W/ downhill assist control

*3: For 2wd (w/ auto lsd)

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

  1. Check instrument panel junction block (main body ecu)

Toyota RAV4. Check instrument panel junction block (main body ecu)


  1. Disconnect the id junction block connector.
  2. Measure the resistance of the wire harness side connector.

Toyota RAV4. Check instrument panel junction block (main body ecu)


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

  1. Reconnect the id junction block connector.
  2. Measure the voltage of the wire harness side connector.

Toyota RAV4. Check instrument panel junction block (main body ecu)


If the result is not as specified, the junction block (ecu) may be a malfunction.

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
Diagnosis If the skid control ecu detects a malfunction, the abs, vsc and brake warning lights and the slip, downhill assist control and auto lsd indicator lights come on in accordance with t ...

Other materials:

Back door outside garnish
Components Removal Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove back door center garnish (see page ed-5 ...

How to proceed with troubleshooting
Notice: Dtcs for the can communication system are as follows: u0073, u0100, u0105, u0121, u0122, u0123, u0124, u0126, u0129, c1280, c1296, c1297, and b1499. Refer to the troubleshooting procedures of each system if dtcs regarding the can communication system are not output. Turn th ...

Test mode procedure
Test mode check Hint: When entering the test mode, the tire pressure warning ecu sets all the test dtcs first. After completing the test mode for each inspection item, the dtcs that are determined normal by the tire pressure warning ecu will be erased. The dtcs for other inspec ...

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