NO. 3 ABS WARNING LIGHT ILLUMINATES [INSTRUMENT CLUSTER]
id0903d5807600
3 |
ABS warning light illuminates |
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POSSIBLE CAUSE
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• ABS CM malfunction
• ABS CM stores DTC
• DSC CM malfunction
• DSC CM stores DTC
• Instrument cluster malfunction
• Connector or pin malfunction
• Short circuit in wiring harness between CAN-L, CAN-H and ground
• Open circuit in CAN wiring harness (CAN-L, CAN-H)
• CAN wiring harness (CAN-L, CAN-H) short each other
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Diagnostic procedure
STEP |
INSPECTION |
RESULT |
ACTION |
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1
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• Start the engine.
• Does the ABS warning light turn off?
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Yes
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Troubleshooting completed. (The system is normal.)
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No
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Go to the next step.
|
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2
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• Reactive the DTC of instrument cluster using M-MDS.
• Is the DTC detected?
|
Yes
|
If DTC U0415:68 or U0415:92 is not detected:
• Go to the applicable DTC troubleshooting procedure.
If DTC U0415:68 or U0415:92 is detected:
• Inspect the DTC for the ABS HU/CM or DSC HU/CM.
(See ON-BOARD DIAGNOSIS [ABS].)
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No
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Go to the next step.
|
||
3
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• Turn off the ABS warning light using M-MDS instrument cluster active command modes WL+IL.
• Does the ABS warning light turn off according to active command modes?
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Yes
|
Go to the next step.
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No
|
Replace the instrument cluster.
|
||
4
|
• Disconnect the negative battery cable.
• Measure the resistance between the DLC-2 terminals F and E.
• Is the resistance below 60 ohms?
|
Yes
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Go to the next step.
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No
|
Go to Step 6.
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5
|
• Inspect the DLC-2 terminals F and E for short to power supply or ground.
• Is there any malfunction?
|
Yes
|
Inspect the wiring harness and CAN system-related module.
Repair or replace the malfunctioning part.
|
No
|
Replace the instrument cluster.
|
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6
|
• Switch the ignition to off.
• Inspect the instrument cluster connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Are the terminals normal?
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Yes
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Go to the next step.
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No
|
Repair or replace the terminal.
|
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7
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• Disconnect the negative battery cable.
• Measure the resistance between the instrument cluster connector terminals 2B and 2D.
• Is the resistance 114—126 ohms?
|
Yes
|
Inspect the wiring harness and CAN system-related module.
Repair or replace the malfunctioning part.
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No
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Replace the instrument cluster.
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