Download Kiss Acronym

K. I. S. S.
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Start with a
visual
Inspection of
the system
or systems
effected.
The next slide is my example
of how a flow chart is used.
Did you find anything
wrong on the visual
inspection?
No!
Is it an electrical system?
Yes!
No!
Yes, Repair
as needed.
Is it a Hydraulic
system? Check
fluid levels.
Mechanical
system? Check
linkage &
operation.
Is it a
Electronic system,
or
Diagnostic code?
Check fusses &
connectors. Check
inputs & outputs.
No, use a
wiring
diagram for
further
troubleshooting.
Check fusses,
connectors, &
bulbs replace
as needed.
Did this
repair the
problem?
Yes,
congratulations!
The next slide is an example of
one type of diagnostic flow chart
for a blower motor problem
Similar charts are used for
Brakes, Steering, Suspension,
Heating & Air Conditioning,
Electrical diagnosis, etc.
#4 low blower only
PERFORM FUNCTIONAL TEST
SET AT HIGH
IGNITION ON
Measure programmer voltage from pins T (circuit
976) to N (circuit 155) with connector in place
Less than 1 volt
Measure programmer voltage from
pins R (circuit 972) to N (circuit 155)
with connector in place
Greater than 1 volt
Replace power module
Less than 1 volt
Greater than 1 volt
Check circuit 972 for short to ground
Replace programmer
Replace control head