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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 WIRING HARNESS BETWEEN ABS HU/CM AND DLC-2 (DATA LINK CONNECTOR-2) FOR CONTINUITY AND SHORTS
• Perform DTC inspection.
• Is error message displayed regarding communication between ABS HU/CM and WDS or equivalent?
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Yes
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If the communication error message is displayed even after inspecting according to procedures displayed in the WDS or equivalent, go to Step 4.
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No
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Go to next step.
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2
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CHECK FOR DTCs IN ABS HU/CM
• Have DTCs been recorded in memory?
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Yes
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Perform inspection using appropriate DTC.
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No
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Inspect instrument cluster
If instrument cluster is OK, then go to next step.
If instrument cluster malfunction, repair instrument cluster, then go to next step.
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3
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INSPECT WIRING HARNESS BETWEEN ABS HU/CM AND DLC-2 (DATA LINK CONNECTOR-2) FOR CONTINUITY
• Disconnect ABS HU/CM connector.
• Is there continuity between connector terminal AQ and data link connector?
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Yes
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Go to next step.
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No
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Repair wiring harness between ABS HU/CM and data link connector.
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*4
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INSPECT WIRING HARNESS BETWEEN ABS HU/CM AND DLC-2 (DATA LINK CONNECTOR-2) FOR SHORT TO B+
• Is voltage approx. 12V at connector terminal AQ?
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Yes
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Repair wiring harness between ABS HU/CM and data link connector.
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No
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Go to next step.
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5
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INSPECT WIRING HARNESS BETWEEN ABS HU/CM AND DLC-2 (DATA LINK CONNECTOR-2) FOR SHORT TO GROUND
Is there continuity between connector terminal AQ and ground?
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Yes
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Repair wiring harness between ABS HU/CM and data link connector.
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No
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Replace ABS CM (communication circuit malfunction is ABS CM).
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