Test No. 6: Low Fuel Level Alarm Function Does Not Operate Properly

If scan tool is available, connect scan tool to Data Link Connector (DLC). See Figure . If scan tool is not available, connect analog voltmeter between DLC terminal No. 4 or 5 and terminal No. 9. See Figure . Perform input signal check and verify operation of ignition switch (IGN 1) input signal. See INPUT SIGNAL CHECK  under SYSTEM TESTS. If input signals operate properly, replace ETACS ECU. Recheck operation of low fuel level tone alarm. If input signals do not operate properly, diagnose and repair as directed by INPUT SIGNAL VERIFICATION  table under SYSTEM TESTS.