Know and Understand The Concern

Preliminary Inspection

The following items must be checked prior to beginning the diagnostic procedures:


Know and Understand the Concern

In order to correctly diagnose a concern, first understand the customer concern or condition. Customer contact may be required in order to begin to verify the concern. Understand the conditions, including when the concern occurs. For example:

- Hot or cold vehicle temperature
- Hot or cold ambient temperature
- Vehicle driving conditions
- Vehicle loaded/unloaded

After understanding when and how the concern occurs, proceed to Verification of Condition. Verification Of Condition