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 procedure, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when engine troubleshooting.
CHECK BATTERY VOLTAGE
Note
Carry out this check with the engine stopped and the power switch off.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
CHARGE OR REPLACE BATTERY |
| OK |
|
CHECK WHETHER ENGINE CRANKS
| NG |
|
PROCEED TO PROBLEM SYMPTOMS TABLE Click here |
| OK |
|
CHECK WHETHER ENGINE STARTS
| NG |
|
GO TO STEP 6 |
| OK |
|
CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.
| NG |
|
REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY |
| OK |
|
CHECK IDLE SPEED
Check the engine idle speed Click here.
| NG |
|
TROUBLESHOOT IDLE SPEED AND PROCEED TO NEXT STEP |
| OK |
|
CHECK FUEL PRESSURE
Check the fuel pressure Click here.
| NG |
|
TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP |
| OK |
|
CHECK FOR SPARK
Perform a spark test Click here.
| NG |
|
TROUBLESHOOT IGNITION SYSTEM AND PROCEED TO NEXT STEP |
| OK |
|
| PROCEED TO PROBLEM SYMPTOMS TABLE Click here |