Engine Oil Pressure Switch Circuit [11/2021 - ]: Procedure

1. Using the GTS, perform a health check.

   Body Electrical > Combination Meter > Trouble Codes 

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

PERFORM THE DIAGNOSIS FOR THE DISPLAYED DTCS 

Result: 

OK 

See step  2

1. Check the problem symptoms.

   Result

   Result	Proceed to
   Engine oil pressure warning light remains on	A
   Engine oil pressure warning light does not come on	B

Result: 

B 

See step  8

Result: 

A 

See step  3

Refer to ON-VEHICLE INSPECTION [11/2021 - ]

Result

Result: 

NG 

ADJUST THE ENGINE OIL LEVEL TO A PROPER AMOUNT 

Result: 

OK 

See step  4

1. Start the engine.
2. Check the condition of the oil pressure warning lamp.

   OK

   Oil pressure warning lamp goes off

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK 

HINT: 

The circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

Result: 

NG 

See step  5

1. Turn the ignition switch to OFF.
2. Disconnect the ground terminal from battery sensor.
3. Disconnect the B10 engine oil pressure switch assembly connector.
4. Connect the ground terminal to battery sensor.
5. Start the engine.
6. Check if the oil pressure warning light goes off.

   OK

   Oil pressure warning lamp goes off

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  7

Result: 

OK 

See step  6

Refer to ON-VEHICLE INSPECTION [11/2021 - ]

Result

Result: 

OK 

REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

Result: 

NG 

CHECK THE OIL PUMP, OIL FILTER AND LUBRICATION LINE 

1. Disconnect the B10 engine oil pressure switch assembly connector.
2. Disconnect the F11 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B10-1 or F11-18(OIL-PRESS) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Perform the Active Test according to the display on the GTS.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Diagnostic Note
   Oil pressure	Engine oil pressure warning light	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Oil pressure

   OK

   Active Test can be performed correctly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

Result: 

OK 

See step  9

1. Disconnect the B10 engine oil pressure switch assembly connector.
2. Disconnect the F11 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B10-1 - F11-18(OIL-PRESS)	Always	Below 10 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR