TROUBLESHOOTING
- Genera
l
TROUBLESHOOTIN
G
GENERA
L
The TCCS engine control system is a very
complicated system requiring a high level of
technical knowledge and expertise to
troubleshoot successfully
.
However, the basics of troubleshooting are the
same whether an engine is equipped with a
TCCS engine control system or it is a carbureted
engine
. In particular, you must look for
:
• An appropriate air-fuel mixture
• A high compression pressur
e
• Correct ignition timing and powerful sparks
Making effective use of the diagnostic system
(
See page 131) and taking into careful
consideration the three items mentioned above
will eliminate the complexities involved in
troubleshooting vehicles
with TCCS
.
It is also ve
ry
important to follow the correct
procedures at all times
. This section explains the
general procedures and concepts involved in
troubleshooting, from the point when the vehicle
is brought into the se
rv
ice shop until the trouble
is found and repaired and the confirmation test
performed
.
For correct troubleshooting procedures for a
particular engine, see the Repair Manual for that
engine model
.
149
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