NO.4 THERE IS A MALFUNCTION IN THE SYSTEM EVEN THOUGH ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, TCS/DSC INDICATOR LIGHT AND TCS OFF INDICATOR LIGHT (2WD)/OFF-ROAD TRACTION ASSIST INDICATOR LIGHT (4WD) DO NOT ILLUMINATE [DYNAMIC STABILITY CONTROL (DSC)]
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There is a malfunction in the system even though ABS warning light, brake system warning light, TCS/DSC indicator light and TCS OFF indicator light (2WD)/Off-Road Traction Assist indicator light (4WD) light do not illuminate |
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POSSIBLE CAUSE
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• There is a 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 OPERATION
• Switch the ignition to off.
• Connect the M-MDS to the DLC-2.
• Switch the ignition to ON (engine off).
• Access the active command mode for the solenoid valve using the M-MDS .
• Does the solenoid valve 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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