DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0181
Fuel tank temperature sensor circuit range/performance
Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signals from engine coolant temperature sensor and intake air temperature sensor.
  • Harness or connectors
    (The sensor circuit is open or shorted)
  • Fuel tank temperature sensor

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE-I
 
 3.CHECK ENGINE COOLANT TEMPERATURE
 
 4.PERFORM DTC CONFIRMATION PROCEDURE-II