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Re: Is the door lock system powered through a fuse that I...
Yes,but the problem is most likly to be a broken wire in the wiring loom coming through the body from the engine area and causing the fault.adrian ,,,,,,.
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The specific fuse responsible for controlling the car door locks in a Nissan Versa 2018 can vary depending on the vehicle's configuration and model. In the Nissan Versa, the fuse box is typically located in the engine compartment or under the dashboard. The fuse box cover or owner's manual should have a diagram indicating the fuse positions and their corresponding functions. Look for a fuse labeled "Door Locks," "Power Locks," or similar. If you are unable to locate the specific fuse, consulting the vehicle's owner's manual or seeking assistance from a Nissan dealership or automotive professional is advisable.
Did you hook up a professional grade scan tool an check BCM codes ,view live input data for power locks .
Door Lock System Components
The power door lock system consists of the following components:
• Driver door lock switch--Provides a switched voltage signal to the body control module (BCM) for both lock and unlock switch activations.
• Front passenger door lock switch--Provides a switched voltage signal to the BCM for both lock and unlock switch activations.
• Door lock relay--Located in the instrument panel (I/P) fuse block and controls the locking of all doors and liftgate.
• Door unlock relay--Located in the I/P fuse block and controls the unlocking of the passenger doors and liftgate.
• Driver door unlock relay--Located in the I/P fuse block and controls the unlocking of the driver door.
• BCM--Class 2 module which requires programming when replaced
• Reversible door lock actuators in each of the doors
• LOCK/MIRROR 10 A fuse--Located in the I/P fuse block, supplies power for the door lock switches and relays.
• DR LCK 20 A fuse--Located in the I/P fuse block, supplies power to the relays.
DTC Descriptors
DTC B3125 00: Left Front/Driver Door Only Unlock Circuit
DTC B3130 00: All Door Unlock Circuit
DTC B3135 00: All Door Lock Circuit
The relays in the I/P fuse box are not listed because you can't change them so why show then . They are PCB - relays Printed circuit board relays , soldered directly to the circuit board inside the fuse box.
You best bet ,take it to a qualified repair shop. I would say the vehicle has a lose connection somewhere . Ground ,
My bet is that it is a relay or the body control module. ??? Then you would be wrong Take it to a professional before you start replacing parts it doesn't need .
There's no relay for the power door locks? Who told you there was? Power flows from a 15A fuse in the underhood fuse box to the right and left door lock switches. The switches move power to the acutuators. This is a low amp system. Doesn't need relays
I see on this fuse box diagram below the ECU B, this is the description for that fuse.( could be a short somewhere in the circuit.) Multiplex communication system (power door lock system, security system, auto?door locking system, automatic light control system, headlight delay off system, tail light auto cut system, illuminated entry system, daytime running light system, wireless remote control system), air conditioning system https://www.autogenius.info/toyota-camry-2004-2006-fuse-box-diagram/
You have a short somewhere in the system. Maybe one of the lock actuators or a switch. To test disconnect all locks and switch then replace fuse if don't blow start with driver door and reconnect lock check fuse see if it blew if not reconnect switch active lock check fuse see if ok. Continue with each door separate using same steps until fuse no good you will have found short. Replace shorted part.
These are in the engine compartment, in the box near the battery. As I recall, dome light, clock and door ajar sensor share a fuse. Door locks fuse is separate. The fuses should be labeled on the box cover.
Power door locks are on the same fuse as the alarm system. The fuse is located in the passenger compartment fuse panel under the steering wheel. There is a pull down lever that will release the fuse box. The fuse for the alarm system/locking system is #25. Yellow color and a 20 ampere rating.
You checked the DRVMDL fuse in the rear fuse box ? The rear fuse box under the back seat. Also the PWR WDO circuit breaker in the rear fuse box.
Power Windows Inoperative - All
Step
Action
Value(s)
Yes
No
DEFINITION: All power windows inoperative from all door window switches.
1
Was the Power Door System Diagnostic System Check performed?
--
YES - Go to Step 2
NO - Go to Diagnostic System Check - Power Door Systems
2
Remove the PWR WDO circuit breaker.
Using a DMM, measure the resistance between circuit breaker terminals.
Is the resistance within the specified range?
0-5 ohms
YES - Go to Step 4
NO - Go to Step 3
3
Replace the PWR WDO circuit breaker.
YES - Is the replacement complete?
--
NO - Go to Diagnostic System Check - Power Door Systems
--
4
Using a DMM, measure the voltage between both rear junction block PWR WDO circuit breaker #57 terminals and ground.
Is the voltage within the specified range for either measurement?
10-15 V
YES - Go to Step 5
NO - Go to Power Distribution Schematics .
5
Repair CKT 1040 for an open or high resistance at rear junction block.
Refer to Wiring Repairs in Wiring Systems.
Is the repair complete?
--
Go to Diagnostic System Check - Power Door Systems
it could be a fuse you need to establish which one it is by looking for a fuse that as blown, if all fuses are ok you will need to take the inside pannel off from the drivers door there you will see a black box with wires going to it make sure all wires are secure if they are it will be that box that as gone this box controls the centrel locking system.. but try replaceing battery in the fob that you press to get into your car.
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