Basic Inspection - Toyota 3VZ–FE Troubleshooting Manual

EG–334

BASIC INSPECTION

When the normal code is displayed in the diagnostic trouble code check, troubleshooting should be performed
in the order for all possible circuits to be considered as the causes of the problems.
In many cases, by carrying out the basic engine check shown in the following flow chart, the location causing
the problem can be found quickly and efficiently. Therefore, use of this check is essential in engine troubleshoot-
ing.
1
Is battery voltage 11 V or more when engine is stopped?
YES
2
Is engine cranked?
YES
3
Does engine start?
YES
4
Check air filter.
OK
Go to step
.
ENGINE TROUBLESHOOTING
NO
NO
NO
P
Hint
NG
– BASIC INSPECTION
Charge or replace battery.
Proceed to matrix chart of problem symptoms on page
EG–344.
Go to step .
Remove air filter.
Visually check that the air filter is not excessively dam-
C
aged or oily.
If necessary, clean the air filter with compressed air. First
blow from inside thoroughly, then blow off outside of the
air filter.
Repair or replace.