Level VI Member
Join Date: Jan 2017
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Not looking so good...........
Most cars today a waste of time using like mechanical methods like slim-jims to open the latch as many of the linkages are theft-proofed by covering them to not be able to get anything into the linkages to unlock. These are not rod, rather cable it looks like.
If like the Fords and the mechanisms do look similar in the service manual, could be fits when the latch itself seizes up internally. Might go after the inside door unlock levers, that might help getting to the cables on them.
Pass front and rear are not connected to each other usually like the driver front is to all the others for a master there. On these looks like the glass has to come out first to get to latch. Fun.
Waiting till ALL the doors fault to not be able to get in is not a plan, it's a disaster waiting to happen. You fix them one by one as they break or suffer the consequences. Could even get someone killed in an accident waiting there.
Most problems due to grease drying up in the latches then the myriad parts inside drag to not work and locked out city. Latch if like many cannot be relubed without getting them apart to do so and often now made to have to destroy to do that. I learned on the Fords to drill out rivets and replace with screws to get inside them, haven't had to do one of these yet. That $1 screw though made $150 out of thin air every time I did a Ford one, the latches are crazy stupid in prices. Too much cheap crap electrical inside them that runs the price way up, yet they fault commonly over a part simply not sliding right. Grease in the Ford ones and latch then good as new for years more.
You do NOT want to see the Nissan door latch electrical schematics, they are a many page nightmare.