The solenoid is bad.
Passenger door wont lock with central locking.
Links to buy below.
If the lock isn t getting power hold the lock switch either up or down and then open and close the door repeatedly to see if the lock will work.
Door locks on the passenger side will not open with the remote the master central locking module may be faulty.
Circuit testing and voltage drop test.
The two little bolts remove the white plastic thing the large three torx heads get the actual locking mech off.
If the remote still operates the drivers side door lock and it will manually unlock with the key it s possible the central lock mechanism in the drivers door is no longer sending a signal to all the other doors to lock unlock.
The central locking door lock mechanisms on saab 9 3s and 9 5s are known to occasionally stop working properly.
This video is a demonstration of conventional methods used to prove an electrical device is faulty before replacing it.
Sometimes it will lock and sometimes it wont.
The front passenger door does lock and unlock with the key.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
When you hit the central locking button on the remote the affected door often won t lock or won t unlock if it was already locked.
Turn it off and then on again.
Leave for 10 15 minutes and reconnect make sure you have the radio code etc beforehand.
The issue tends to start out intermittent and then worsen with time.
Replacing it may require removing the car door panel.
By which i mean lock all the doors the car and disconnect the battery.
The nearside rear door on my s max has a bit of an issue with locking.
If you press unlock on the remote passenger door and boot unlock but not the drivers door so have to use the key in the lock but once open if you press lock the door locks but if you.
Each mech contains the cable that unlocks the door and the rod iirc you just have to re attach the rod to the exterior door handle.
Somebody suggested disconnecting the battery for a bit and then reconnecting in the hope the central locking would reset itself but it has not made a difference.
Great tips for diagnosing a power door lock central locking or key fob issue on bmw and we show you the first steps to take.
If it works sometimes you probably have a broken wire.
It is possible to strip the unit down to repair it however it s not without.
