NO.9 ANY OF THE FOLLOWING LIGHTS REMAIN ON: (ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, DSC INDICATOR LIGHT AND/OR DSC OFF LIGHT)
id040300802800
9
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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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[TROUBLESHOOTING HINTS]
• Brake fluid amount is low.
• Parking brake is not released.
• No connection at DSC HU/CM connector
(When DSC HU/CM connector goes out, ABS warning light and BRAKE system warning light illuminate.)
• DSC HU/CM detected malfunction (input and output device malfunction).
• DSC HU/CM detects low voltage in power supply circuit.
• DSC HU/CM ground malfunction
(When DSC HU/CM ground is not securely connected, ABS warning light and BRAKE system warning light illuminate but no DTC is displayed.)
• DSC HU/CM does not operate (DSC HU/CM malfunction).
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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INSPECT BRAKE FLUID AMOUNT AND VERIFY THAT PARKING BRAKE RELEASES
• Is the brake fluid amount normal?
• Is the parking brake lever released?
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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 or release the parking brake lever.
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2
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INSPECT FOR DTCs IN DSC HU/CM
• Have DTCs been stored in memory?
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Yes
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Perform the applicable DTC inspection.
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No
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Go to the next step.
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3
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INSPECT IF MALFUNCTION IS IN CONTROL MODULE CONNECTOR, TERMINAL OR OTHER
• Do ABS warning light and BRAKE system warning light go out after 4 s with the ignition switch 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, then go to Step 6.
Inspect the DSC HU/CM connector terminal, then go to Step 7.
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No
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Go to the next step.
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4
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INSPECT BATTERY
• Is the battery 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 battery and charging system.
(See BATTERY INSPECTION [LF, L3].)
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5
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INSPECT CHARGING SYSTEM
• Is the battery voltage normal with electrical load (such as A/C, headlight) on and engine idling?
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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 (such as drive belt tension, generator).
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6
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VERIFY THAT DSC HU/CM CONNECTOR IS CONNECTED
• Is the DSC HU/CM securely connected?
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Yes
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Go to the next step.
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No
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Connect the DSC HU/CM connector securely, then go to the next step.
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7
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VERIFY THAT DSC HU/CM CONNECTOR TERMINAL OR RELATED CONNECTOR TERMINALS ARE CONNECTED
• Are DSC HU/CM connector terminal or instrument cluster connector terminal, related connector terminals securely connected?
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Yes
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Replace the DSC CM.
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No
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Connect the DSC HU/CM connector terminal or related connector terminals securely.
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