LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> On-Board Diagnostic - 360DEGREES View Monitor Control Module >> DTC U3000-42: 360°View Monitor Control Module Internal Malfunction [360°View Monitor Control Module] >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Procedure

DTC U3000:42 [360°VIEW MONITOR CONTROL MODULE] DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT 360°VIEW MONITOR CONTROL MODULE FOR MALFUNCTION
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the 360°view monitor control module. (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 360°view monitor control module and perform the repair completion verification.
(See 360°VIEW MONITOR CONTROL MODULE 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.