Engine Oil Level Sensor Circuit [12/2022 - ]: Procedure

1. Check the engine oil level and engine oil quality is normally.

   for M20A-FXS: Refer to ON-VEHICLE INSPECTION [12/2022 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE OR ADD ENGINE OIL 

Result: 

OK 

See step  2

1. Read the Data List according to the display on the GTS.

   Body Electrical > Combination Meter > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Oil Level Switch	Engine oil level sensor input	OFF or ON	OFF: Engine oil level not low ON: Engine oil level low	-

   Body Electrical > Combination Meter > Data List 

   Tester Display
   Oil Level Switch

   Result

   Result	Proceed to
   The Data List item changes correctly	A
   The Data List item do not change correctly	B

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

Result: 

B 

See step  3

for M20A-FXS: Refer to INSPECTION [12/2022 - ]

Result

Result: 

NG 

REPLACE ENGINE OIL LEVEL SENSOR 

for M20A-FXS: Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

Result: 

OK 

See step  4

1. Disconnect the K18 combination meter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (for 2ZR-FXE)

   Tester Connection	Condition	Specified Condition
   C34-1 (LOIL) - K18-9 (OILW)	Always	Below 1 Ω
   C34-1 (LOIL) or K18-9 (OILW) - Body ground	Always	10 kΩ or higher

   Standard Resistance (for M20A-FXS)

   Tester Connection	Condition	Specified Condition
   C34-1 (LVL) - K18-9 (OILW)	Always	Below 1 Ω
   C34-1 (LVL) or K18-9 (OILW) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR