How does the power door lock operate and what are the steps for diagnosing issues within it on Mazda 323?

The power door lock system drives the door lock actuators located in each door. The power door lock system switches, actuators and wiring are located in the doors. In addition, the power door lock system relay is under dash on driver's side. Diagnosing of the electrical system is by simple checks of the wiring connections, etc. The bidirectional actuator motors are placed at the doors. The lock switches are of two position Lock and Unlock. Once activated they activate timer unit which applies voltage to the motors. Now with the looping of the use of Lock and Unlock switch, each time these polarity gets reversed. The Room fuse protects the switches and the Door Lock fuse protects the timer unit and the motors. With the engine turned off, operate the door lock switches and listen for sounds from the timer unit or the actuator motors. In the absence of sound, take voltage readings at the switches and check for shorts or opens in wiring. If the voltage is present but no sound is produced, test switch continuity, replacing the switch if necessary. If there is continuity but no sound from the motors, check for wire continuity between the switch, the timing unit and then the motors. Any defective wire needs to be repaired. To troubleshoot an actuator motor that doesn't turn "on," check for voltage at the motor while operating the switch. If voltage is present and the motor still doesn't turn "on," replace the actuator motor. If the motors are not working or only running in one direction, check the timer unit with the help of jumpers from the battery to ensure clicking. If not, change it. To verify voltage for models after 1995, check the voltage at certain terminals using a voltmeter under different conditions. On 1997 and 1998 models, probe terminals to confirm battery voltage and switching voltages when activating the door locks. Door lock harness wires snap due to fatigue frequently. Since 1999, the power door-lock control module and microcomputer manage the keyless entry system, best checked at a dealership.

Genuine Mazda 323 Door Lock

Power Door Lock Actuator

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10 Door Locks found

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Mazda 323 Lock Part Number: B001-62-310A
$57.35 MSRP: $76.48
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Product Specifications
- Other Name: Lock, Lift Gate
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1989 Mazda 323 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: BR9458310D
Product Specifications
- Other Name: Lock Right, Door
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1990-1994 Mazda 323 | Base, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: BR93-59-310C
Product Specifications
- Other Name: Lock Left, Door
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1990-1994 Mazda 323 | Base, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: BF67-62-310C
Product Specifications
- Other Name: Lock, Lift Gate
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1989 Mazda 323 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: B468-62-310A
Product Specifications
- Other Name: Lock, Lift Gate
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1990-1994 Mazda 323 | Base, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: B218-62-310D
Product Specifications
- Other Name: Lock, Lift Gate
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1988 Mazda 323 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: B111-58-310B
Product Specifications
- Other Name: Lock Right, Door
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1989 Mazda 323 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: B09262310A
Product Specifications
- Other Name: Lock Left, Lift Gate
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1987 Mazda 323 | Base, DX, LX | 4 Cyl 1.6 L GAS
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Mazda 323 Lock Part Number: B092-59-310B
Product Specifications
- Other Name: Lock Left, Door
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1989 Mazda 323 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
View related parts
Mazda 323 Lock Part Number: B092-58-310B
Product Specifications
- Other Name: Lock Right, Door
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1989 Mazda 323 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS

Mazda 323 Door Lock

The Mazda 323 Door Lock is a lock that protects the cabin, as the various doors are secured with the help of this Door Lock, which is very firm, and only the driver can release the door. Early Mazda models applied a simple key cylinder connected to the latch with metal rods in order that when the key is turned, or the interior knob is pressed down, the exterior handle remains locked out. Power locking would be later added to Mazda cars, with a small electric actuator attached to the latch that would be fed by a switch or body module, allowing drivers to lock or unlock all the doors with a single button rather than reaching out and switching all the knobs. Other generations went even further and applied a numeric keypad on the door skin, which applied a personalized code and allowed entry via the receipt of a coded message sent by the key fob, which was a radio transmitter that was then recognized as part of the car by a receiver, and then confirmation of action by some form of lights or the horn, and even auto relocking in case of a second press. An automatic mode may also automatically shut the doors when the gearbox is switched to drive or the vehicle attains a pre-programmed speed, then automatically reopen when in park. Despite these electronic additions, all Door Locks are focused around the same clasp and striker latch design, and the primary difference in the design work is where the latch is commanded to operate, be it through physical keys, wired switches, or wireless commands. Actuator test and regular lubrication keep Mazda Door Lock in good operation in any 323.

Looking for Door Lock with proven quality? Choose OEM Door Lock. Mazda designs and builds them to strict factory specs. Every piece goes through rigorous quality checks. You'll get parts that fit right and work like new. Shop our huge inventory of OEM Mazda 323 parts. Enjoy the highly competitive prices online. Our site is your one-stop shop. Each genuine 323 part includes a manufacturer's warranty. Buy with confidence. Our return policy is simple and hassle-free. In a rush? Choose expedited delivery at checkout. You'll love the streamlined experience from search to checkout to receiving your order.

Mazda 323 Door Lock Parts and Q&A

Lock
B468-62-310A
Q:
How does the power door lock operate and what are the steps for diagnosing issues within it on Mazda 323?
A:
The power door lock system drives the door lock actuators located in each door. The power door lock system switches, actuators and wiring are located in the doors. In addition, the power door lock system relay is under dash on driver's side. Diagnosing of the electrical system is by simple checks of the wiring connections, etc. The bidirectional actuator motors are placed at the doors. The lock switches are of two position Lock and Unlock. Once activated they activate timer unit which applies voltage to the motors. Now with the looping of the use of Lock and Unlock switch, each time these polarity gets reversed. The Room fuse protects the switches and the Door Lock fuse protects the timer unit and the motors. With the engine turned off, operate the door lock switches and listen for sounds from the timer unit or the actuator motors. In the absence of sound, take voltage readings at the switches and check for shorts or opens in wiring. If the voltage is present but no sound is produced, test switch continuity, replacing the switch if necessary. If there is continuity but no sound from the motors, check for wire continuity between the switch, the timing unit and then the motors. Any defective wire needs to be repaired. To troubleshoot an actuator motor that doesn't turn "on," check for voltage at the motor while operating the switch. If voltage is present and the motor still doesn't turn "on," replace the actuator motor. If the motors are not working or only running in one direction, check the timer unit with the help of jumpers from the battery to ensure clicking. If not, change it. To verify voltage for models after 1995, check the voltage at certain terminals using a voltmeter under different conditions. On 1997 and 1998 models, probe terminals to confirm battery voltage and switching voltages when activating the door locks. Door lock harness wires snap due to fatigue frequently. Since 1999, the power door-lock control module and microcomputer manage the keyless entry system, best checked at a dealership.