ENGINE (J05E)/TROUBLESHOOTING
2–583
DTC: P0521
EN01H02127030602016091
P0521: Malfunction of oil pressure switch (High)
INFORMATION
1.
Technical description
•
A rise in engine oil pressure is sensed by the oil pressure switch.
<Description of malfunction>
•
Abnormality (high-pressure) in engine oil pressure is detected.
2.
DTC set condition
(1)
DTC detection condition
•
The engine stopped.
•
Engine coolant temperature of 30
C {86
F} or more.
(2)
Judgement criteria
•
The oil pressure switch continues to be OFF (high-pressure detection) for more than 3 seconds.
3.
Reset condition
•
Immediately after normal operation is restored.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: OFF
•
SVS light: ON
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
•
–
<Symptoms on the vehicle due to malfunction>
•
–
6.
Pre-inspection work
•
Check that the battery voltage is in the normal range.
7.
After-inspection work
•
Clear all past DTCs.
•
Check that no DTC is stored after test drive.
8.
Estimated failure factors
•
Insufficient oil pan oil quantity.
•
Malfunction of oil pressure switch.
•
+B short-circuit of disconnection harness.
•
Engine oil viscosity is high.
(OSW)
(DM)
GCP
(S)
H26
XZP
6.1mA
12.3mA
Body earth
Engine ECU
Oil pressure switch
SHTS021270300534
