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Home >> Lexus >> 1994 >> SC 300 Standard >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Keyless Entry System >> Trouble Shooting >> One Or More Locks Do Not Operate >> All Functions Do Not Operate
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All Functions Do Not Operate

Check ECU power circuit, ECU ground circuit, door open detection switch circuit, door key switch circuit (lock side and unlock side), key unlock warning switch circuit, and remote door lock ECU.