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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION

CAUTION:

  • When replacing a blind spot monitoring (BSM) control module (RH) having any of the following part numbers, it is necessary to replace the blind spot monitoring (BSM) control module (LH) at the same time to perform the configuration normally.

    • N243-67Y80 A

    • N243-67Y80 B

    • N243-67Y80 C

NOTE:

  • The blind spot monitoring (BSM) control module prior to replacement stores the vehicle specification information.

  • A new blind spot monitoring (BSM) control module does not store any vehicle specification information.

  • When the ignition is switched ON after the blind spot monitoring (BSM) control module is replaced, the blind spot monitoring (BSM) control module reads the vehicle specification information sent via CAN transmission from the instrument cluster using the automatic configuration function, and stores it.

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)
2. Remove the following parts:
a. Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION.)
b. Trunk side trim (See TRUNK SIDE TRIM REMOVAL/INSTALLATION.)
c. Rear combination light (See REAR COMBINATION LIGHT REMOVAL/INSTALLATION.)
d. Rear splash shield (See REAR SPLASH SHIELD REMOVAL/INSTALLATION.)
e. Rear bumper stay (See REAR BUMPER STAY REMOVAL/INSTALLATION.)
f. Rear bumper retainer no.1 (See REAR BUMPER RETAINER No.1 REMOVAL/INSTALLATION.)
g. Rear bumper (See REAR BUMPER REMOVAL.)(See REAR BUMPER INSTALLATION.)
3. Disconnect the connector.

4. Remove the screws.
5. Move the blind spot monitoring (BSM) control module in the direction of the arrow shown in the figure and remove the module from the blind spot monitoring (BSM) bracket.
6. Install in the reverse order of removal.
7. When the blind spot monitoring (BSM) control module is replaced, perform the automatic configuration using the following procedure.
a. Switch the ignition ON (engine off or on) and wait for 1 min or more.
b. Switch the ignition off and wait for 3 s or more.
c. Switch the ignition ON (engine off or on) and complete the blind spot monitoring (BSM) control module automatic configuration.
d. Using the M-MDS, verify that DTC U2300:54, U2300:55 or U2300:56 is not displayed.

CAUTION:

  • If the blind spot monitoring (BSM) control module is replaced, not performing the blind spot monitoring (BSM) radar aiming will cause a deviation in the radar emission angle which could result in the system not detecting a vehicle approaching from the rear correctly. When the blind spot monitoring (BSM) control module is replaced, perform the blind spot monitoring (BSM) radar aiming.

8. When the blind spot monitoring (BSM) control module is replaced, perform the blind spot monitoring (BSM) radar aiming. (See BLIND SPOT MONITORING (BSM) RADAR AIMING.)
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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