Engine Oil Temperature Gauge Malfunction [07/2020 - ]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [07/2020 - ]

   Body Electrical > Combination Meter > Trouble Codes 

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2020 - 05/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [05/2023 - ] 

Result: 

OK 

See step  2

1. Using the Techstream, read the Data List.

   Refer to DATA LIST / ACTIVE TEST [07/2020 - ]

   Body Electrical > Combination Meter > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Engine Oil Temperature	Engine oil temperature	Min.: 0°C (32°F), Max.: 255°C (491°F)	Engine oil temperature receiver gauge indication: When the indicator is in the center of the gauge: 80 to 105°C(176 to 221°F)When the indicator is in the red zone: 140°C (284°F) or more	-

   Body Electrical > Combination Meter > Data List 

   Tester Display
   Engine Oil Temperature

   OK

   The Data List values of the ECUs do not match.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

See step  3

1. Remove the oil temperature sensor.

   Refer to REMOVAL [07/2020 - ]

2. Inspect the oil temperature sensor.

   Refer to INSPECTION [07/2020 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE OIL TEMPERATURE SENSOR. Refer to  REMOVAL [07/2020 - ] 

Result: 

OK 

See step  4

1. Disconnect the P25 combination meter assembly connector.
2. Disconnect the G77 oil temperature sensor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P25-24 (GAGE) - G77-1 (OT+)	Always	Below 1 Ω
   P25-32 (GND) - G77-2 (OT-)	Always	Below 1 Ω
   P25-31 (ES) - Body ground	Always	Below 1 Ω
   P25-24 (GAGE) - Other terminals and body ground	Always	10 kΩ or higher
   P25-32 (GND) - Other terminals and body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR