NO.5 DSC OPERATES FREQUENTLY/DSC DOES NOT WORK CORRECTLY [DSC/RSC]
id0403b3815800
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5
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DSC *operates frequently. /DSC* does not work correctly.
*: DSC/RSC system contains dynamic stability control function; DSC indicator light illuminates and goes out and while DSC/RSC is operating.
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Possible cause
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• DSC/RSC HU/CM detected malfunction (input and output device malfunction)
• Poor installation of SAS control module and/or steering angle sensor
(If any of the above sensors are poorly installed, DSC/RSC may operate intermittently)
• When replacing the DSC/RSC HU/CM, or SAS control module, initialization is not performed.
(If initialization is not performed correctly, DSC/RSC may not work correctly)
• Open or short circuit in wiring harness between DSC/RSC HU/CM and SAS control module (CAN-2 signal)
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT DSC/RSC HU/CM AND SAS CONTROL MODULE FOR DTCs
• Inspect the DTC for the ON-BOARD DIAGNOSTIC SYSTEM.
(See ON-BOARD DIAGNOSIS [DSC/RSC].)
(See DTC DISPLAY.)
• Have DTCs been recorded in memory?
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Yes
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Perform the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DSC/RSC].)
(See DTC TABLE.)
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No
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Go to the next step.
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2
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VERIFY THAT EACH SENSOR IS INSTALLED
• Are the SAS control module and steering angle sensor securely installed?
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Yes
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Go to the next step.
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No
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Install sensor securely.
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3
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VERIFY THAT EACH SENSOR IS INITIALIZED
• Was initialization performed after replacement of the DSC/RSC HU/CM, or SAS control module?
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Yes
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Go to the next step.
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No
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Perform initialization procedure.
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4
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VERIFY THAT TIRE CONDITION
• Verify tire condition for following:
• Are tires condition okay?
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Yes
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Find malfunctioning part according to “INTERMITTENT CONCERN TROUBLESHOOTING”.
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No
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Adjust, repair or replace tire.
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