How To Read Flowcharts - Honda Acura NSX 1991 Service Manual

-How to Read Flowcharts

A flowchart is designed to be used from start to final repair. It's like a map showing you the shortest distance. But beware: if yo
go off the "map" anywhere but a "stop" symbol, you can easily get lost.
Describes the conditions or situation to start a troubleshooting flowchart.
(bold type)
Asks you to do something; perform a test, set up a condition, etc.
Asks you about the result of an action, then sends you in the appropriate, troubleshooting direction.
The end of a series of actions and decisions, describes a final repair action and sometimes directs
(bold you to an earlier part of the flow to conflrm your repair.
NOTE:
out OK through all your tests. You may need to road test the car to reproduce the failure or if the problem was a loose
connection, you may have unknowingly solved it while doing the tests. In any event, if the Check Engine light on the
dash does not come on, check for poor connections or loose wires at al! connectors related to the circuit that
troubleshooting.
intermittent and you can't duplicate the code, do not continue through the flowchart. To do so will only result in confusior
and, possibly a needlessly replaced ECU.
cidental connection of a wire to ground or to another wire. In simple electronics, this usually means something won't
work at all. In complex electronics (like ECUs), this can sometimes mean something works, but not the way it's sup-
posed to.
before proceeding.
are
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