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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> On-Board Diagnostics - Electric Vacuum Pump (EVP) >> DTC U3000-11/U3000-12/U3000-46/U3000-47/U3000-56/U3000-96: EVP Control Unit Internal Circuit Malfunction [EVP Control Unit] >> Diagnostic Procedure

Diagnostic Procedure

DTC U3000:11/U3000:12/U3000:46/U3000:47/U3000:56/U3000:96 (EVP CONTROL UNIT) DIAGNOSTIC PROCEDURE

Step INSPECTION Action
1 VERIFY DTC TROUBLESHOOTING COMPLETED 
Yes Replace the EVP control unit, then go to the next Step.
(See EVP CONTROL UNIT REMOVAL/INSTALLATION .)
No Go to the next Step.
2 VERIFY NO DTC IS PRESENT 
  • Are any DTCs present?
Yes Go to the applicable DTC inspection. (See DTC TABLE [EVP CONTROL UNIT] .)
No DTC troubleshooting completed.