Strategy Based Diagnosis - GMC chevrolet camaro 2000 Service Manual

0-32 General Information
General Information
Strategy Based Diagnosis
is numbered, you are not required to complete every
box in order to successfully diagnose a customer
concern. The first step of your diagnostic process
should always be, Verify the Customer Concern (box 1 ).
The final step of your diagnostic process should be,
Repair and Verify the Fix (box 7). Refer to the following
chart for the correct strategy based diagnostics.
The goal of Strategy Based Diagnostics is to provide
guidance when you create a plan of action for each
specific diagnostic situation. Following a similar plan for
each diagnostic situation, you will achieve maximum
efficiency when you diagnose and repair vehicles.
Although each of the Strategy Based Diagnostics boxes
2
3
4
5.1
STORED
DTC(S)
Follow
Published
DTC
Diagnostics
VERIFY CUSTOMER CONCERN
PRELIMINARY CHECKS
Visual and Operational
Perform Published
DIAGNOSTIC SYSTEM CHECKS
CHECK FOR BULLETINS
(Printed/lDCS/ESI)
5.2
5.3
SYMPTOM
NO PUBLISHED
NO DTC(S) DIAGNOSTICS
Follow
Analyze and
Published
Develop
SYMPTOM
Diagnostics
Diagnostics
or call
Technical
Assistance
5.5
OPERATING
AS
DESIGNED
o Check Identical Vehicle
5.4
INTERMITTENT
See
Diagnostic
Details
o Customer Misunderstanding
of
System:
Legend
Explain Operation to Customer or refer
to Owner or Service Manual
o Product Problem:
Cali Technical Assistance
7 REPAIR AND VERIFY FIX
6508
(1) Verify the customer concern: The first part of
this step is to obtain as much information
(2) Preliminary Checks: Conduct a thorough
visual inspection. Review the service history. ·
Detect unusual sounds or odors. Gather
diagnostic trouble code information in order
to achieve an effective repair.
(
as possible from the customer such as: Are
there aftermarket accessories on the
vehicle? When does the condition occur?
Where does the condition occur? How long
and how often does the condition occur?
(3) Perform Published Diagnostic System (
Checks: One or more DTCs may not support
In order to verify the concern the technician
should know the normal operation of the
system and refer to the owner or service
manual for any information needed.
a system. System checks verify the proper
operation of the system. This will lead
the technician in an organized approach to
diagnostics.