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STEP
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INSPECTION
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ACTION
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1
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INSPECT ABS WARNING LIGHT
• Does ABS warning light illuminate?
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Yes
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Go to next step.
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No
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Go to symptom troubleshooting No.2.
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2
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CHECK FOR SHORT TO GROUND IN ABS/TCS HU/CM
• Disconnect ABS/TCS HU/CM connector and turn ignition switch ON.
• Does BRAKE system warning light illuminate?
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Yes
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Replace ABS/TCS HU/CM (ground to short in ABS/TCS HU/CM).
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No
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Go to next step.
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3
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INSPECT BRAKE SYSTEM WARNING LIGHT BULB
• Remove instrument cluster.
• Inspect BRAKE system warning light bulb.
• Is it okay?
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Yes
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Go to next step.
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No
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Replace BRAKE system warning light bulb.
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*4
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VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN INSTRUMENT CLUSTER AND/TCS HU/CM FOR SHORT TO GROUND) OR INSTRUMENT CLUSTER
• Is there continuity between instrument cluster connector (22-pin) terminal 2N and ground?
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Yes
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Repair wiring harness between instrument cluster and ABS/TCS HU/CM.
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No
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Replace instrument cluster (open or ground to short in instrument cluster).
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