NO.2 ANY OF THE FOLLOWING LIGHTS REMAIN ON: (ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, DSC INDICATOR LIGHT AND/OR DSC OFF LIGHT) [DYNAMIC STABILITY CONTROL (DSC)]
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2 |
Any of the following lights remain on: (ABS warning light, brake system warning light, DSC indicator light and/or DSC OFF light) |
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POSSIBLE CAUSE
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• Brake fluid amount is low
• Parking brake lever does not release
• DSC HU/CM DTC is stored
• Battery malfunction
• Charging system malfunction
• Poor connection at DSC HU/CM connector
• Poor connection at DSC HU/CM, instrument cluster or related parts connector terminals
• DSC HU/CM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT BRAKE FLUID LEVEL
• Inspect the brake fluid level.
• Is the brake fluid level normal?
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Yes
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Go to the next step.
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No
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Add brake fluid.
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2
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INSPECT PARKING BRAKE
• Verify the parking brake lever.
• Is the parking brake lever released?
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Yes
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Vehicles without malfunction warning light (Applied VIN (assumed): NC18**215550—, NC18**250831—, NC30**202488—, NCA8**251024—)
Go to the next step.
Others
Go to step 4.
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No
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Release the parking brake lever.
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3
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INSPECT PCM DTC
• Perform the Reading DTCs Procedure.
• Is the DTC P0571 and/or P0703 present?
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Yes
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Go to the applicable DTC inspection.
(See DTC P0571 [L8, LF].)
(See DTC P0703 [L8, LF].)
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No
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Go to the next step.
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4
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INSPECT DSC HU/CM DTC
• Perform the Reading DTCs Procedure.
• Are any DTC present?
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Yes
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Go to the appropriate DTC inspection.
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No
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Go to the next step.
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5
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INSPECT WHETHER MALFUNCTION IS IN CONTROL MODULE CONNECTOR, TERMINAL OR OTHER
• Verify the ABS warning light and brake system warning light.
• Do the ABS warning light and brake system warning light go off after 4 s when the ignition switch is turned to the ON position?
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Yes
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Temporary poor connection in control module connector.
Inspect the DSC HU/CM connector:
• Go to Step 8.
Inspect the DSC HU/CM connector terminal:
• Go to Step 9.
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No
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Go to the next step.
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6
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INSPECT BATTERY
• Inspect the battery.
(See BATTERY INSPECTION [L8, LF].)
• Is there any malfunction?
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Yes
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Inspect the charging system.
Repair or replace the malfunctioning part according to the inspection results.
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No
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Go to the next step.
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7
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INSPECT CHARGING SYSTEM
• Start the engine.
• Measure the battery voltage with the electrical load (A/C, headlight, etc.) on and the engine idling.
• Is the voltage normal?
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Yes
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Go to the next step.
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No
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Inspect the charging system (drive belt tension, generator, etc.).
Repair or replace the malfunctioning part according to the inspection results.
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8
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INSPECT CONNECTION OF DSC HU/CM CONNECTOR
• Turn the ignition switch off.
• Inspect the connection of DSC HU/CM connector.
• Is the DSC HU/CM connector securely connected?
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Yes
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Reconnect the DSC HU/CM connector securely, then go to the next step.
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No
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Go to the next step.
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9
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INSPECT DSC HU/CM AND RELATED PARTS CONNECTOR TERMINALS
• Inspect the connection of DSC HU/CM, instrument cluster and related parts connector terminal.
• Are the terminals securely connected?
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Yes
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Reconnect the DSC HU/CM, instrument cluster and related connector terminals securely.
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No
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Replace the DSC HU/CM.
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