{"id":9254,"date":"2017-06-11T23:58:02","date_gmt":"2017-06-11T23:58:02","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm352921\/"},"modified":"2017-06-11T23:58:02","modified_gmt":"2017-06-11T23:58:02","slug":"sm352921","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/16ND\/sm352921\/","title":{"rendered":"DTC P050F:00 [EVP CONTROL UNIT]"},"content":{"rendered":"
\n <\/p>\n
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\n < Previous<\/a> Next ><\/a><\/p>\n

2016 – MX-5 – Brakes<\/h2>\n

<\/a><\/p>\n

DTC P050F:00 [EVP CONTROL UNIT]<\/h3>\n\n\n\n\n\n\n\n
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DTC<\/b><\/p>\n<\/td>\n

\n

P050F:00<\/b><\/p>\n<\/td>\n

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Low power brake unit vacuum<\/b><\/p>\n<\/td>\n<\/tr>\n

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DETECTION CONDITION<\/b><\/p>\n<\/td>\n

\n
    \n
  • \n

    Power brake unit vacuum is 30 kPa {225 mmHg, 8.8 inHg} lower or more<\/b> than the barometric pressure for a continuous 15 s<\/b> when the electric vacuum pump is operating.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

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FAIL-SAFE FUNCTION<\/b><\/p>\n<\/td>\n

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POSSIBLE CAUSE<\/b><\/p>\n<\/td>\n

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    \n
  • \n

    Electric vacuum pump power supply voltage decreases<\/p>\n<\/li>\n

  • \n

    Vacuum line malfunction<\/p>\n<\/li>\n

  • \n

    Electric vacuum pump malfunction<\/p>\n<\/li>\n

  • \n

    Electric vacuum pump drive circuit malfunction<\/p>\n<\/li>\n

  • \n

    EVP control unit malfunction<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

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SYSTEM WIRING DIAGRAM<\/b><\/p>\n<\/td>\n

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\u2014<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n <\/a><\/p>\n

Diagnostic Procedure<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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Step<\/p>\n<\/td>\n

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Inspection<\/p>\n<\/td>\n

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Action<\/p>\n<\/td>\n<\/tr>\n

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1<\/p>\n<\/td>\n

\n RECORD SNAPSHOT DATA AND DIAGNOSTIC MONITORING TEST RESULTS TO UTILIZE WITH REPEATABILITY VERIFICATION<\/b><\/p>\n

NOTE:<\/span><\/b><\/p>\n

    \n
  • \n

    Recording can be facilitated using the screen capture function of the PC.<\/p>\n<\/li>\n<\/ul>\n

      \n
    • \n

      Record the snapshot data and DIAGNOSTIC MONITORING TEST RESULTS (fuel system related) on the repair order.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n

\n

\u2014<\/p>\n<\/td>\n

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Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

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2<\/p>\n<\/td>\n

\n VERIFY IF DIAGNOSTIC RESULT IS AFFECTED BY OTHER RELATED DTCs OCCURRING<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to the applicable DTC inspection.<\/p>\n

(See DTC TABLE [EVP CONTROL UNIT]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

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3<\/p>\n<\/td>\n

\n DETERMINE IF EVP CONTROL UNIT POWER SUPPLY CIRCUIT MALFUNCTION<\/b><\/p>\n
    \n
  • \n

    Verify the following items with regard to the recorded snap shot data from Step 1.<\/p>\n<\/li>\n

      \n
    • \n

      VPS_FBK<\/p>\n<\/li>\n

    • \n

      VPWR<\/p>\n<\/li>\n<\/ul>\n

    • \n

      Is the snap shot data VPWR value is 8.3\u201417.4 V<\/b> when the snap shot data VPS_FBK is On.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n

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Yes<\/p>\n<\/td>\n

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Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

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No<\/p>\n<\/td>\n

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4<\/p>\n<\/td>\n

\n DETERMINE WHETHER MALFUNCTION IS PAST OR PRESENT<\/b><\/p>\n

NOTE:<\/span><\/b><\/p>\n

\n

Yes<\/p>\n<\/td>\n

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Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

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Go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n DRIVE VEHICLE THEN VERIFY DTC REPEATABILITY<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to Step 7.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

6<\/p>\n<\/td>\n

\n DRIVE VEHICLE THEN VERIFY DTC REPEATABILITY BASED ON SERVICE QUESTIONING RESULTS AND SNAP SHOT DATA<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to Step 8.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

DTC troubleshooting completed.<\/p>\n

Explain to the customer that there are no malfunctions with the vehicle based on the contents of the servicing.<\/p>\n<\/td>\n<\/tr>\n

\n

7<\/p>\n<\/td>\n

\n INSPECT VACUUM LINE<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Repair or replace the malfunctioning part, then go to Step 9.<\/p>\n<\/td>\n<\/tr>\n

\n

8<\/p>\n<\/td>\n

\n INSPECT ELECTRIC VACUUM PUMP<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

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No<\/p>\n<\/td>\n

\n

Replace the electric vacuum pump, then go to the next step.<\/p>\n

(See ELECTRIC VACUUM PUMP REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

9<\/p>\n<\/td>\n

\n VERIFY DTC TROUBLESHOOTING COMPLETED<\/b><\/p>\n\n

Yes<\/p>\n<\/td>\n

\n

Repeat the inspection from Step1.<\/p>\n

If the malfunction recurs, replace the EVP control unit, then go to the next step.<\/p>\n

(See EVP CONTROL UNIT REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

No<\/p>\n<\/td>\n

\n

Go to the next step.<\/p>\n<\/td>\n<\/tr>\n

\n

10<\/p>\n<\/td>\n

\n VERIFY NO DTC IS PRESENT<\/b><\/p>\n
    \n
  • \n

    Are any DTCs present?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n

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Yes<\/p>\n<\/td>\n

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Go to the applicable DTC inspection.<\/p>\n

(See DTC TABLE [EVP CONTROL UNIT]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

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No<\/p>\n<\/td>\n

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DTC troubleshooting completed.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n < Previous<\/a> Next ><\/a><\/p>\n

\n Back to Top<\/a>\n <\/div>\n
\n \u00a9 2014 Mazda North American Operations, U.S.A.<\/em>\n <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

< Previous Next > 2016 – MX-5 – Brakes DTC P050F:00 [EVP CONTROL UNIT] DTC P050F:00 Low power brake unit vacuum DETECTION CONDITION Power brake unit vacuum is 30 kPa {225 mmHg, 8.8 inHg} lower or more than the barometric pressure for a continuous 15 s when the electric vacuum pump is operating. FAIL-SAFE FUNCTION Refer to \u201cFail-safe function table\u201d. (See DTC TABLE [EVP CONTROL UNIT].) POSSIBLE CAUSE Electric vacuum pump power supply voltage decreases […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-9254","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages\/9254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/comments?post=9254"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages\/9254\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/media?parent=9254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}