Ecu Location
The ECU is located under front passenger seat. To obtain trouble code(s), turn ignition switch to "ON" position and count flashes of Red LED inspection light on ECU. See appropriate TROUBLE CODE IDENTIFICATION CHART in this article.
To test the circuits for each code, remove the front passenger seat to gain access to the ECU. Connect PGM-FI Test Harness (07999-PD6000A) to the ECU as described for the test for each particular code. Proceed with the test following the steps outlined for that test.