I have a 1993 Subaru Legacy. The power door locks dont work. The front passanger and the rear seat doors will not unlock. I have to physically mash in on the lock lever and pull up on the outside latch at the same time to open the doors. I have checked the fuse and it is ok. Does any one have a good idea?
SOURCE: I have a 1993 Subaru
probably the spring in the door handles on the inside are broken. you can remove the inside handles and fix them byusing a cotter pin to hold the spring in place
SOURCE: !993 subaru legacy doors dont unlock
If it takes that much force to manually open the doors, and it's on the doors that are less used, then I'd bet it's a set of door locks and actuators in need of lubrication.
Electric door lock actuators can easily be stopped or slowed down by resistance in the mechanism. This can be caused by corrosion, water getting into the door, and just old age and lack of use. I'd take the door panels off and take a peek.
On the Legacy the panels pop off fairly easily. You'll need to pry them off carefully with a flat screwdriver. You'll feel where the fasteners are, where the panels are resisting coming off, and prise the panel gently and firmly at these points and they'll pop out. Once out you'll see the lock mechanism.
Moving it by hand will tell if it's corroded or bound up. Apply some white litium grease to the mechanism, making sure to squirt/work it in, and then work the door handle/mechanism to get the lube into the linkage and actuators. Check the electrical contacts for corrosion while there and spray with WD-40 to protect them. This should free up the door mechanism and the actuators should then be able to do their job.
If after the above steps the electric actuators still don't work, use a voltmeter or circuit tester to check for 12V at the actuator when the door button is pressed. If you don't see any power, recheck that fuse and then the wiring back to the door harness. It's unlikely that this is the cause as its unlikely that you'd get only 3 out of 4 bad, but you never know in these old cars.
Hope this helps.
WIRING INFORMATION 2001 Subaru Legacy
WIREWIRE COLOR LOCATION
12V CONSTANT WIRE WHITE Ignition Harness
12V IGNITION WIRE GREEN Ignition Harness
12V ACCESSORY WIRE YELLOW Ignition Harness
STARTER WIRE WHITE/BLACK Ignition Harness
POWER DOOR LOCK (-) WHITE Harness In Driver's Kick Panel
POWER DOOR UNLOCK (-) GREEN/RED Harness In Driver's Kick Panel
PARKING LIGHTS (+) ORANGE At Light Switch
DOOR TRIGGER (-) PINK/BLACK In White Connector Behind Fuse Box
TRUNK TRIGGER (-) YELLOW/BLUE In White Connector Behind Fuse Box
TRUNK RELEASE (5-wire) LT.GREEN/YELLOW At Motor In Tail Gate
FACTORY ALARM ARM (-) Factory remote only
FACTORY ALARM DISARM (-) Factory remote only
TACHOMETER YELLOW/GREEN At Ignition Coil
BRAKE WIRE (+) WHITE/BLACK At Brake Pedal Switch
HORN TRIGGER (-) RED/GREEN Harness At Steering Column
LEFT FRONT WINDOW UP BLUE/RED At Driver Window Motor Inside Door
LEFT FRONT WINDOW DOWN BLUE At Driver Window Motor Inside Door
RIGHT FRONT WINDOW UP BLUE/RED Harness In Driver's Kick From Driver Door
RIGHT FRONT WINDOW DOWN BLUE Harness In Driver's Kick From Driver Door
LEFT REAR WINDOW UP BLUE/RED Harness In Driver's Kick From Driver Door
LEFT REAR WINDOW DOWN BLUE Harness In Driver's Kick From Driver Door
RIGHT REAR WINDOW UP BLUE/RED Harness In Driver's Kick From Driver Door
RIGHT REAR WINDOW DOWN BLUE Harness In Driver's Kick From Driver Door
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