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Diagnostic Procedure

DTC U3000:00 (MAZDA EMERGENCY ASSISTANCE CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT Mazda EMERGENCY ASSISTANCE CONTROL MODULE FOR MALFUNCTION DEPENDING ON REPEATABILITY 
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the Mazda EMERGENCY ASSISTANCE 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 Mazda EMERGENCY ASSISTANCE control module and perform the repair completion verification.
(See Mazda EMERGENCY ASSISTANCE CONTROL MODULE REMOVAL/INSTALLATION .)
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.