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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P045400EVAP SYS PRES SEN
(EVAP system pressure sensor/switch "A" circuit intermittent)
Diagnosis condition—
Signal (terminal)EVAP control system pressure sensor signal
ThresholdECM detects a sloshing signal from the EVAP control system pressure sensor
Diagnosis delay time—
 
 
POSSIBLE CAUSE
  • Harness or connectors (EVAP control system pressure sensor circuit is shorted.)
  • EVAP control system pressure sensor
 
 
FAIL-SAFE
Not applicable
 
 
DTC Confirmation Procedure
noteNever remove fuel filler cap during 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
With M.U.T.-III SE
  1. Start engine and let it idle for least 40 seconds.
    noteDo not depress accelerator pedal even slightly.
  2. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure.
.
 
3.PERFORM DTC CONFIRMATION PROCEDURE-2
With M.U.T.-III SE
  1. Select “EVAP DIAG READY” in “DATA MONITOR” mode of “ENGINE”.
  2. Let it idle until “OFF” of “EVAP DIAG READY” changes to “ON”.
    noteIt will take at most 2 hours until “OFF” of “EVAP DIAG READY” changes to “ON”.
  3. Turn ignition switch OFF and wait at least 90 minutes.
    noteNever turn ignition switch ON during 90 minutes.
  4. Turn ignition switch ON.
  5. Select “EVAP LEAK DIAG” in “DATA MONITOR” mode of “ENGINE”.
  6. Check that “EVAP LEAK DIAG” indication.
Which is displayed on M.U.T.-III SE?
: .
:
  1. Perform DTC CONFIRMATION PROCEDURE again.
  2. .
 
4.PERFORM DTC CONFIRMATION PROCEDURE-3
With M.U.T.-III SE
Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure
INSPECTION END
 
5.PERFORM DTC CONFIRMATION PROCEDURE-4
With GST
  1. Start engine and let it idle for least 40 seconds.
    noteDo not depress accelerator pedal even slightly.
  2. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure
.
 
6.PERFORM DTC CONFIRMATION PROCEDURE-5
With GST
  1. Let it idle for at least 2 hours.
  2. Turn ignition switch OFF and wait at least 90 minutes.
    noteNever turn ignition switch ON during 90 minutes.
  3. Turn ignition switch ON.
  4. 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