Xterra 4WD V6-4.0L (VQ40DE) (2009)
Trouble Diagnosis Procedure
DIAGNOSIS AND REPAIR WORK FLOW
Trouble Diagnosis Procedure
INTERVIEW WITH CUSTOMER
Interview with the customer is important to detect the root cause of CAN communication system errors and to understand vehicle condition and
symptoms for proper trouble diagnosis.
Points in interview
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What: Parts name, system name
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When: Date, Frequency
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Where: Road condition, Place
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In what condition: Driving condition/environment
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Result: Symptom
NOTE:
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Check normal units as well as error symptoms.