DTC U3000:97 [BLIND SPOT MONITORING (BSM)]


id0902i3393600

System malfunction location

Radar performance malfunction

Detection condition
•  BSM control module internal radar sensor sensitivity is decreased.
•  BSM control module internal radar sensor axis is deviated.
Fail-safe
Possible cause
•  Rear bumper malfunction (Dirt or foreign material (reflective object) is adhered.)
•  BSM control module malfunction (Dirt or foreign material (reflective object) is adhered.)
•  Concavity and convexity on the surface of the repaired rear bumper
•  BSM control module malfunction
System wiring diagram

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 4.
2
INSPECT AREA AROUND BSM CONTROL MODULE
•  Visually inspect the area around the BSM control module for the following:
―  Dirt
―  Adhered foreign material (reflective object)
•  Is the area around the BSM control module normal?
Yes
Go to the next step.
No
Remove dirt or foreign material (reflective object), then go to Step 4.
3
VERIFY REAR BUMPER REPAIR HISTORY
•  Verify if the rear bumper had been repaired or repainted before.
•  Is the paint Mazda genuine?
Yes
Go to the next step.
No
Replace the rear bumper, then go to the next step.
4
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear BSM control module DTCs using the M-MDS.
•  Perform the DTC inspection for the BSM control module using the M-MDS.
•  Is DTC U3000:97 displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the BSM control module, then go to the next step.
No
Go to the next step.
5
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.