Starter Interrupt System Circuit

Turn ignition off and disconnect ATS ECU connector. Unlock either driver's or passenger's door using key. With A/T put shift lever to "N" or "P" position or with M/T depress clutch pedal. Turn ignition to START position. Ensure battery voltage between ground and ECU terminal No. A1 (with power door locks, Black/White wire). If battery voltage is not present, repair short or open in starter relay circuit. If battery voltage is present, replace ATS ECU and retest.