A MALFUNCTION IN THE SYSTEM EVEN THOUGH THE INDICATOR LIGHT AND WARNING LIGHT ARE NOT ILLUMINATED [DYNAMIC STABILITY CONTROL (DSC)]
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A malfunction in the system even though the ABS warning light, brake system warning light, TCS/DSC indicator light and DSC OFF indicator light are not illuminated |
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POSSIBLE CAUSE
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• Mechanical malfunction in system.
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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CONFIRM DSC HU/CM DTC
• Retrieve the DSC HU/CM DTC using the M-MDS.
(See DTC INSPECTION [DSC HU/CM].)
• 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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Go to the next step.
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2
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VERIFY SOLENOID VALVE AND PUMP MOTOR OPERATION
• Switch the ignition off.
• Connect the M-MDS to the DLC-2.
• Switch the ignition ON (engine off).
• Access the active command mode for the solenoid valve and pump motor using the M-MDS.
• Do the solenoid valve and pump motor operate?
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Yes
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Inspect the conventional brake system.
If there is a malfunction:
• Repair or replace any malfunctioning parts according to the inspection result.
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No
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Repair or replace any malfunctioning parts according to the inspection result.
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