DTC C1031:64 [DSC HU/CM]
id040262848000
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DTC
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C1031:64
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Tire Pressure Monitoring System (TPMS)
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DETECTION CONDITION
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• Installation of tires with diameter different from standard is detected.
• Tire Pressure Monitoring System (TPMS) set switch signal is continuously detected as on.
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FAIL-SAFE FUNCTION
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• Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
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POSSIBLE CAUSE
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• Mazda recommended standard tire outer diameters differ from installed tires
• Tire Pressure Monitoring System (TPMS) set switch malfunction
• DSC HU/CM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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VERIFY DSC HU/CM DTC
• Using the M-MDS, clear the DTC from the DSC HU/CM.
(See CLEARING DTC [DSC HU/CM].)
• Using the M-MDS, perform the DSC HU/CM DTC inspection.
(See DTC INSPECTION [DSC HU/CM].)
• Is the same DTC present?
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Yes
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Go to the next step.
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No
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Go to step 7.
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2
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INSPECT TPMS SET SWITCH
• Inspect the TPMS set switch.
• Is the TPMS set switch normal?
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Yes
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Go to the next step.
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No
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Replace the TPMS set switch, then go to step 6.
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3
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VERIFY THE TIRE
• Verify that the currently equipped tire type (size, supplier, and type) conform to the Mazda recommendation.
(See WHEEL AND TIRE SPECIFICATION.)
• Is the tire type as specified?
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Yes
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Go to the next step.
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No
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Replace the tire, then go to step 5.
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4
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MEASURE THE TIRE PRESSURE
• Measure the tire pressure when the tires are cold.
(See WHEEL AND TIRE SPECIFICATION.)
• Is the pressure as specified?
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Yes
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Go to the next step.
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No
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Adjust the tire pressure to the specification when the tires are cold, then go to the next step.
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5
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INITIALIZE TPMS
• Initialize the TPMS.
• Is the initialization normally completed?
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Yes
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Go to the next step.
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No
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Repeat the inspection from step 1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
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6
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Using the M-MDS, clear the DTC from the DSC HU/CM.
(See CLEARING DTC [DSC HU/CM].)
• Using the M-MDS, perform the DSC HU/CM DTC inspection.
(See DTC INSPECTION [DSC HU/CM].)
• Is the same DTC present?
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Yes
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Repeat the inspection from step 1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
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No
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Go to the next step.
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7
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VERIFY NO DTC IS PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [DSC HU/CM].)
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No
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DTC troubleshooting completed.
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