first, all the doors except the drivers door stopped locking when the switch was activated. 4 days later the drivers doors stopped locking. The door won't auto lock with the drivers door key lock either.
when the power locks stop working, is the problem the lock control unit? on 1998 Honda CR-V
For the other locks to have failed first could the master "off" switch switch have been turned off. You would need a wiring diagram and test procedures to start checking the switch for power and continuity, and instructions to remove the door panel and test the door actuators. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
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possibly but there is a lot more to the system. you need someone to verify the failures for you before you spend that kind of money.