BASIC INSPECTION
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.
1. 1.CHECK BATTERY VOLTAGE
NOTICE:
Carry out this check with the engine stopped and the ignition switch off.
Result |
Proceed to |
---|---|
11 V or more |
GO TO STEP 2 |
Below 11 V |
CHARGE OR REPLACE BATTERY |
2. 2.CHECK WHETHER ENGINE CRANKS
Result |
Proceed to |
---|---|
NG |
PROCEED TO PROBLEM SYMPTOMS TABLE |
OK |
GO TO STEP 3 |
3. 3.CHECK WHETHER ENGINE STARTS
Result |
Proceed to |
---|---|
NG |
GO TO STEP 6 |
OK |
GO TO STEP 4 |
4. 4.CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
(a) Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.
Result |
Proceed to |
---|---|
NG |
REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY |
OK |
GO TO STEP 5 |
5. 5.CHECK IDLE SPEED
Result |
Proceed to |
---|---|
NG |
TROUBLESHOOT IDLE SPEED AND PROCEED TO NEXT STEP |
OK |
GO TO STEP 6 |
6. 6.CHECK FUEL PRESSURE
Result |
Proceed to |
---|---|
NG |
TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP |
OK |
GO TO STEP 7 |
7. 7.CHECK FOR SPARK
Result |
Proceed to |
---|---|
NG |
TROUBLESHOOT IGNITION SYSTEM AND PROCEED TO NEXT STEP |
OK |
PROCEED TO PROBLEM SYMPTOMS TABLE |
Components
COMPONENTS
ILLUSTRATION
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ILLUSTRATION
ILLUSTRATION
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
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Sending Malfunction (Navigation to APGS) (U0073,U0100,U0140,U0155)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No.
DTC Detection Condition
Trouble Area
U0073
CAN bus connection error
CAN communicatio ...