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Diagnostic Procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE

Step Inspection Action
1 INSPECT REAR BUMPER SURFACE
  • Visually inspect the rear bumper surface for the following:
    • Dirt
      • Adhered foreign material (reflective object)
  • Is the rear bumper normal?
 Yes Go to the next step.
No Remove dirt or foreign material (reflective object), then go to Step 5.
2 INSPECT AREA AROUND BLIND SPOT MONITORING (BSM) CONTROL MODULE
  • Visually inspect the area around the blind spot monitoring (BSM) control module for the following:
    • Dirt
      • Adhered foreign material (reflective object)
  • Is the area around the blind spot monitoring (BSM) control module normal?
 Yes Go to the next step.
No Remove dirt or foreign material (reflective object), then go to Step 5.
3 VERIFY CONTROL MODULE INSTALLATION CONDITION
  • Inspect the following:
    • Deformation of body or bracket around blind spot monitoring (BSM) control module
      • Blind spot monitoring (BSM) control module installation condition
  • Is the blind spot monitoring (BSM) control module installed correctly?
 Yes Go to the next step.
No Repair or replace the malfunctioning part, then go to Step 5.
4 PERFORM BLIND SPOT MONITORING (BSM) RADAR TEST Yes Go to the next step.
No Go to Step 6.
5 VERIFY THAT REPAIRS HAVE BEEN COMPLETED Yes Repeat the inspection from Step 1.
Go to the next step.
No Go to the next step.
6 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
 Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [BLIND SPOT MONITORING (BSM) CONTROL MODULE] .)
No DTC troubleshooting completed.
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