DTC C1031:54 [DYNAMIC STABILITY CONTROL (DSC)]
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DTC
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C1031:54
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Tire pressure monitoring system (TPMS) system
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DETECTION CONDITION
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• Detects that tire such as temporary spare tire with outer diameter of considerable difference is installed
• There is a large fluctuation in steering angle and acceleration/deceleration speed repeatedly over short intervals.
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FAIL-SAFE FUNCTION
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• Refer to “Fail-safe Function Malfunction Contents”. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
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POSSIBLE CAUSE
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• Diameter of currently installed tires differs from Mazda recommended tires
• There is a large fluctuation in steering angle and acceleration/deceleration speed repeatedly over short intervals.
• DSC HU/CM malfunction
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SYSTEM WIRING DIAGRAM
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—
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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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 3.
(See WHEEL AND TIRE SPECIFICATION.)
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2
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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.
(See WHEEL AND TIRE SPECIFICATION.)
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3
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INITIALIZE THE 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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4
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Using the M-MDS, clear the DTC from the DSC HU/CM.
• Using the M-MDS, perform the DSC HU/CM DTC inspection.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step1.
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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5
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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.
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No
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DTC troubleshooting completed.
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