Flow of Diagnosis

INTRODUCTION
Most of the fuel and emission control systems are electronically controlled, often making it difficult to diagnose problems, especially intermittent problems. Before undertaking actual checks, take a few minutes to talk with a customer who approaches with a driveablity complaint. The customer is often a good source of information on such problems, especially the intermittent ones. Through a talk with the customer, you will usually find out what the symptoms are and under what conditions they occur.

Work Flow:

WORK FLOW

Example:

DIAGNOSTIC INDEX

Example:

TROUBLESHOOTING CHART

DESCRIPTION:
Further describes the system Confirm that the chart addresses the actual symptom before beginning troubleshooting.

TROUBLESHOOTING HINTS:
This describes the possible point of malfunction.

STEP:
This shows the order of troubleshooting. Proceed with troubleshooting as indicated.

INSPECTION:
This describes an inspection to quickly determine the malfunction of parts.

ACTION:
This recommends the appropriate action to take as a result (Yes/No) of the INSPECTION.