DTC Detection Logic

NOTE:

DTC P2080 is displayed with DTCs related to following items, first perform the trouble diagnosis of DTCs.
- Crankshaft position sensor
- Misfire
- Fuel system
- A/F sensor 1
- A/F sensor 1 heater
- Mass air flow sensor
- Engine coolant temperature sensor 1
- Intake air temperature sensor
- Vehicle speed sensor
DTC P2080 is displayed with DTC P0544, P0545, P0546, or P2081, first perform the trouble diagnosis for DTC P0544, P0545, P0546, or P2081.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P2080

EXHAUST GAS TEMP SENSOR 1 B1

(Exhaust gas temperature sensor circuit range/performance bank 1 sensor 1)

ECM detects the following status continuously for 20 seconds or more:

The difference between estimated exhaust gas temperature calculated by ECM and temperature sent from exhaust gas temperature sensor is approx. 100 deg.C (212 deg.F) or more.
The difference between exhaust gas temperature sent from exhaust gas temperature sensor and estimated exhaust gas temperature calculated by ECM is 100 deg.C (212 deg.F) or more.