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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Driver Monitoring Camera Unit >> DTC U3000-49: Driver Monitoring Camera Unit Detects A Driver Monitoring Camera Unit Internal Malfunction For 10s [DRIVER MONITORING CAMERA UNIT] >> Diagnostic Procedure

Diagnostic Procedure

DTC U3000:49 (DRIVER MONITORING CAMERA UNIT) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT DRIVER MONITORING CAMERA UNIT FOR MALFUNCTION 
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the driver monitoring camera unit. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)] .)
If the CAN communication is normal, replace the driver monitoring camera unit and perform the repair completion verification.
(See DRIVER MONITORING CAMERA UNIT REMOVAL/INSTALLATION [(US)] .)
No Go to the next step.
Repair completion verification VERIFY IF OTHER DTC IS DISPLAYED 
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any other DTCs displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.
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