Driver's Door Key Unlock Switch Circuit

Turn ignition off and disconnect ATS ECU connector. Unlock driver's door with key. Ensure continuity exists between ground and ATS ECU connector terminal A10 (with power door locks, White/Red wire) or No. 10 (without power door locks, White/Blue wire). If continuity is not present, repair open in unlock switch circuit. If continuity is present, lock driver's door and ensure continuity is not present. If continuity is present, repair short in unlock switch circuit. If continuity is not present, go to next step.