Diagnostic Starting Point
Diagnostic Starting Point - Computers and Control SystemsBegin the system diagnosis with Diagnostic System Check - Computers and Control Systems.
The Diagnostic System Check-Computers and Control Systems will provide the following information:
- The identification of the control modules which command the system
- The ability of the control modules to communicate through the serial data circuit
- The identification of any stored diagnostic trouble codes (DTCs) and the codes' statuses
The use of the Diagnostic System Check-Computers and Control Systems will identify the correct procedure for diagnosing the system and where the procedure is located.
Diagnostic System Check - Computers and Control Systems
DESCRIPTION
The Diagnostic System Check-Computers and Control Systems is an organized approach to identifying a condition that is created by a malfunction in the engine control system. The Diagnostic System Check must be the starting point for any driveability concern. The Diagnostic System Check directs the service technician to the next logical step in order to diagnose the concern. Understanding and correctly using the diagnostic table reduces diagnostic time and prevents the replacement of good parts.
Reading Diagnostic Trouble Codes
Intermittent Conditions
Initial Inspection and Diagnostic Overview
Symptom Related Diagnostic Procedures
Symptom Related Diagnostic Procedures