When the malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when engine troubleshooting.
1.CHECK BATTERY VOLTAGE
NOTICE:
Perform this check with the engine stopped and engine switch off.
Result
Proceed to
11 V or more
OK
Below 11 V
NG
NG.
CHARGE OR REPLACE BATTERY
OK
2.CHECK WHETHER ENGINE WILL CRANK
NG.
PROCEED TO PROBLEM SYMPTOMS TABLE
OK
3.CHECK WHETHER ENGINE STARTS
NG.
GO TO STEP 6
OK
4.CHECK AIR FILTER
Visually check that the air filter is not excessively contaminated with dirt or oil.
