Basic Inspection
When the malfunction is not confirmed in the DTC check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found quickly and efficiently. Therefore, using this check is essential in the engine troubleshooting.
- CHECK BATTERY VOLTAGE NOTE: Carry out this check with the engine stopped and power switch OFF.VOLTAGE CAPACITY
OK NG Voltage 11 V or more Less than 11 V NG: CHARGE OR REPLACE BATTERY
OK: GO TO NEXT STEP
- CHECK IF ENGINE WILL CRANK
NG: PROCEED TO PROBLEM SYMPTOMS TABLE ON PROBLEM SYMPTOMS TABLE
OK: GO TO NEXT STEP
- CHECK IF ENGINE STARTS
NG: GO TO STEP 6
OK: GO TO NEXT STEP
- CHECK AIR FILTER
- Visually check if the air filter is not contaminated dirt or oil.
NG: REPLACE
OK: GO TO NEXT STEP
- CHECK IDLE SPEED (See ENGINE MECHANICAL
)
NG: PROCEED TO ENGINE MECHANICAL AND CONTINUE TO TROUBLESHOOT
OK: GO TO NEXT STEP
PROCEED TO PROBLEM SYMPTOMS TABLE ON PROBLEM SYMPTOMS TABLE
- CHECK FUEL PRESSURE (See FUEL SYSTEM
)
NG: PROCEED TO IGNITION AND CONTINUE TO TROUBLESHOOT
OK: GO TO NEXT STEP
- CHECK FOR SPARK (See IGNITION
)
NG: PROCEED TO IGNITION AND CONTINUE TO TROUBLESHOOT
OK: GO TO NEXT STEP
PROCEED TO PROBLEM SYMPTOMS TABLE ON PROBLEM SYMPTOMS TABLE