{"id":9269,"date":"2017-06-11T23:58:00","date_gmt":"2017-06-11T23:58:00","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm352942\/"},"modified":"2017-06-11T23:58:00","modified_gmt":"2017-06-11T23:58:00","slug":"sm352942","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sm352942\/","title":{"rendered":"DTC C0020:01\/C0020:13\/C0020:16\/C0020:49\/C0020:71\/C0020:98 [DSC HU\/CM]"},"content":{"rendered":"
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2016 – MX-5 – Brakes<\/h2>\n

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DTC C0020:01\/C0020:13\/C0020:16\/C0020:49\/C0020:71\/C0020:98 [DSC HU\/CM]<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

DTC<\/b><\/p>\n<\/td>\n

\n

C0020:01<\/b><\/p>\n<\/td>\n

\n

Pump motor<\/b><\/p>\n<\/td>\n<\/tr>\n

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C0020:13<\/b><\/p>\n<\/td>\n<\/tr>\n

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C0020:16<\/b><\/p>\n<\/td>\n<\/tr>\n

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C0020:49<\/b><\/p>\n<\/td>\n<\/tr>\n

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C0020:71<\/b><\/p>\n<\/td>\n<\/tr>\n

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C0020:98<\/b><\/p>\n<\/td>\n<\/tr>\n

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

\n
    \n
  • \n

    RR outlet solenoid valve malfunction is detected.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

\n

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

\n
\n

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

\n
    \n
  • \n

    Fuse (ABS\/DSCM 50A) malfunction<\/p>\n<\/li>\n

  • \n

    Open or short circuit in wiring harness between battery and DSC HU\/CM terminal B<\/p>\n<\/li>\n

  • \n

    Open circuit in wiring harness between DSC HU\/CM terminal AL and body ground<\/p>\n<\/li>\n

  • \n

    Poor connection at each connector<\/p>\n<\/li>\n

  • \n

    Pump motor malfunction<\/p>\n<\/li>\n

  • \n

    Pump motor is driven for long periods<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n

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<\/a><\/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

Step<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n INSPECT FUSE CONDITION<\/b><\/p>\n
    \n
  • \n

    Is the fuse (ABS\/DSCM 50A) normal?<\/p>\n<\/li>\n<\/ul>\n<\/td>\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
    \n
  • \n

    If the fuse is blown:<\/p>\n<\/li>\n

      \n
    • \n

      Refer to the wiring diagram and verify whether or not there is a common connector between fuse and DSC HU\/CM terminal B.<\/p>\n<\/li>\n

        \n If there is a common connector:<\/b><\/p>\n
      • \n

        Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.<\/p>\n<\/li>\n

      • \n

        Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

          \n If there is no common connector:<\/b><\/p>\n
        • \n

          Repair or replace the wiring harness which has a short to ground.<\/p>\n<\/li>\n

        • \n

          Replace the fuse.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n

        • \n

          If the fuse is damaged:<\/p>\n<\/li>\n

            \n
          • \n

            Replace the fuse.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n

            Go to Step5.<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n VERIFY PUMP MOTOR OPERATION<\/b><\/p>\n\n

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

\n

Go to Step5.<\/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

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

\n INSPECT PUMP MOTOR POWER SUPPLY CIRCUIT FOR OPEN OR SHORT TO GROUND CIRCUIT<\/b><\/p>\n
    \n
  • \n

    Switch the ignition OFF.<\/p>\n<\/li>\n

  • \n

    Disconnect the DSC HU\/CM connector.<\/p>\n<\/li>\n

  • \n

    Switch the ignition ON (engine off).<\/p>\n<\/li>\n

  • \n

    Measure the voltage between DSC HU\/CM terminal B (wiring harness-side) and body ground.<\/p>\n<\/li>\n

  • \n

    Is the voltage 10 V or more<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\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

Refer to the wiring diagram and verify whether or not there is a common connector between battery and DSC HU\/CM terminal B.<\/p>\n

    \n If there is a common connector:<\/b><\/p>\n
  • \n

    Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open or short circuit.<\/p>\n<\/li>\n

  • \n

    Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

      \n If there is no common connector:<\/b><\/p>\n
    • \n

      Repair or replace the wiring harness which has an open or short circuit.<\/p>\n<\/li>\n<\/ul>\n

      Go to Step5.<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n INSPECT PUMP MOTOR GROUND CIRCUIT FOR OPEN CIRCUIT OR POOR GROUND<\/b><\/p>\n
    \n
  • \n

    Switch the ignition OFF.<\/p>\n<\/li>\n

  • \n

    Disconnect the DSC HU\/CM connector.<\/p>\n<\/li>\n

  • \n

    Measure the resistance between DSC HU\/CM terminal AL (wiring harness-side) and body ground.<\/p>\n<\/li>\n

  • \n

    Is the resistance 0\u20141 ohm<\/b>?<\/p>\n<\/li>\n<\/ul>\n<\/td>\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
    \n
  • \n

    If the open circuit could be detected in the wiring harness:<\/p>\n<\/li>\n

      \n
    • \n

      Refer to the wiring diagram and verify whether or not there is a common connector between DSC HU\/CM terminal AL and body ground.<\/p>\n<\/li>\n

        \n If there is a common connector:<\/b><\/p>\n
      • \n

        Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.<\/p>\n<\/li>\n

      • \n

        Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

          \n If there is no common connector:<\/b><\/p>\n
        • \n

          Repair or replace the wiring harness which has an open circuit.<\/p>\n<\/li>\n<\/ul>\n

        • \n

          Go to the next step.<\/p>\n<\/li>\n<\/ul>\n

        • \n

          If the resistance is out of specification:<\/p>\n<\/li>\n

            \n
          • \n

            Refer to the wiring diagram and verify whether or not there is a common connector between DSC HU\/CM terminal AL and body ground.<\/p>\n<\/li>\n

              \n If there is a common connector:<\/b><\/p>\n
            • \n

              Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a poor ground.<\/p>\n<\/li>\n

            • \n

              Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n

                \n If there is no common connector:<\/b><\/p>\n
              • \n

                Repair or replace the wiring harness which has a poor ground.<\/p>\n<\/li>\n<\/ul>\n

              • \n

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

\n

5<\/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 DSC HU\/CM, then go to the next step.<\/p>\n

(See DSC HU\/CM 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

6<\/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

\n

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

\n

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

(See DTC TABLE [DSC HU\/CM]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

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\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 C0020:01\/C0020:13\/C0020:16\/C0020:49\/C0020:71\/C0020:98 [DSC HU\/CM] DTC C0020:01 Pump motor C0020:13 C0020:16 C0020:49 C0020:71 C0020:98 DETECTION CONDITION RR outlet solenoid valve malfunction is detected. FAIL-SAFE FUNCTION Refer to \u201cFail-safe function table\u201d. (See DTC TABLE [DSC HU\/CM].) POSSIBLE CAUSE Fuse (ABS\/DSCM 50A) malfunction Open or short circuit in wiring harness between battery and DSC HU\/CM terminal B Open circuit in wiring harness between DSC HU\/CM terminal AL and body […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9269","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/9269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/comments?post=9269"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/9269\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=9269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}