DTC Code | DTC Name |
---|---|
BASIC INSPECTION |
CAUTION / NOTICE / HINT
Tech Tips
When a malfunction cannot be confirmed by the DTC check, troubleshooting should be performed on all circuits that are possible causes of the problem. However, in most cases, performing the basic engine check shown below can help you find the problem quickly and efficiently. Always perform this check first when troubleshooting the engine.
PROCEDURE
CHECK BATTERY VOLTAGE
Note
Perform the battery voltage check with the engine stopped and the ignition switch off.
Result | ||||||
---|---|---|---|---|---|---|
|
NG |
CHARGE OR REPLACE BATTERY |
OK |
CHECK IF ENGINE WILL CRANK
Result | |||
---|---|---|---|
|
NG |
PROCEED TO PROBLEM SYMPTOMS TABLE |
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.
Result | |||
---|---|---|---|
|
NG |
CLEAN OR REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY |
OK |
REPLACE FUEL
Check that only diesel fuel is being used.
Check that the fuel does not contain any impurities.
Result | |||
---|---|---|---|
|
NG |
REPLACE FUEL |
OK |
CHECK FUEL FOR AIR
Result | |||
---|---|---|---|
|
NG |
BLEED AIR FROM FUEL |
OK |
CHECK FUEL PIPES AND HOSES
Check that the fuel pipes and fuel hoses are not blocked, damaged, disconnected or bent.
Result | |||
---|---|---|---|
|
NG |
REPAIR OR REPLACE FUEL PIPES OR HOSES |
OK |
CHECK FUEL FILTER ELEMENT ASSEMBLY FOR BLOCKAGE
Result | |||
---|---|---|---|
|
NG |
CLEAN OR REPLACE FUEL FILTER ELEMENT ASSEMBLY |
OK |
CHECK ENGINE OIL
Result | |||
---|---|---|---|
|
NG |
ADD OR REPLACE ENGINE OIL |
OK |
CHECK ENGINE COOLANT
Result | |||
---|---|---|---|
|
NG |
ADD OR REPLACE ENGINE COOLANT |
OK |
CHECK IDLING SPEED AND MAXIMUM SPEED
Result | |||
---|---|---|---|
|
NG |
REPLACE FUEL SUPPLY PUMP ASSEMBLY |
OK |
CHECK DIAGNOSTIC CIRCUIT
Result | |||
---|---|---|---|
|
NG |
REPAIR OR REPLACE MALFUNCTIONING CIRCUIT |
OK |
CHECK VACUUM PUMP ASSEMBLY
Result | |||
---|---|---|---|
|
OK |
PROCEED TO PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE VACUUM PUMP |