Initial Inspection and Diagnostic Overview

Diagnosis and Repair Workflow

Work Flow





Detailed Flow

1. CUSTOMER INFORMATION

Interview the customer to obtain detailed information about the symptom.


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2. INITIAL INSPECTION

Perform an initial inspection of all accessible transfer case harnesses and connectors under the vehicle.


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3. DTC CHECK

Perform "DTC check". Refer to [SDT Function (4WD)] Scan Tool Testing and Procedures.


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4. SYMPTOM

Check for symptoms. Refer to [4WD System Symptoms: Symptom Table] Symptom Table.


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5. MALFUNCTIONING PARTS

Repair or replace the applicable parts.


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6. SYSTEM OPERATION

Check system operation.


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7. DTC CHECK

Perform "DTC check".

Are any DTCs displayed?
YES
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NO
Inspection End