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Home >> Toyota >> 1993 >> Tercel Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> Testing Anti-Theft Circuits >> Test 2 >> Indicator Light Circuit
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Indicator Light Circuit

Verify ATS indicator light operation. See INDICATOR LIGHT  under TESTING ANTI-THEFT SYSTEM COMPONENTS. Turn ignition off. Disconnect ATS ECU connector. Connect negative ohmmeter lead to ECU terminal No. A9 (with power locks, Light Green/Red wire) and positive lead to ground. If continuity is not present, repair open in indicator light circuit harness or connectors. If continuity is present, replace ATS ECU and retest.

NOTE: Indicator light circuit includes Light Emitting Diode (LED). If circuit shows no continuity, reverse positive and negative leads and retest circuit.
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