P0521 is set when the engine oil pressure value outputs less than 500hPa for 2sec. This DTC is set due to engine oil leak or faulty pump.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Engine oil line stuck 2. Engine oil leak 3. Faulty pump 4. Engine oil level too low 5. Faulty EOPS | |
Enable Conditions |
•
Engine running | ||
Threshold Value |
•
Output is less than 500hPa for 0.5 sec. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
