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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P018300FTT SEN/CIRCUIT
(Fuel temperature sensor ″A″ circuit high)
Diagnosis conditionIgnition switch ON
Signal (terminal)Fuel tank temperature sensor signal
ThresholdAn excessively high voltage from the FTT sensor is sent to ECM.
Diagnosis delay time—
 
 
POSSIBLE CAUSE
  • Harness or connectors (FTT sensor circuit is open or shorted.)
  • Fuel temperature sensor
 
 
FAIL-SAFE
Not applicable
 
 
DTC Confirmation Procedure
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
: .
 
2.PERFORM DTC CONFIRMATION PROCEDURE
  1. Turn ignition switch ON and wait at least 5 seconds.
  2. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END