DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0451 | EVAP SYS PRES SEN (Evaporative emission system pressure sensor/switch range/performance) | ECM detects a sloshing signal from the EVAP control system pressure sensor |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
NOTE: Never 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.
With CONSULT>>GO TO 2.
Without CONSULT>>GO TO 5.
2.PERFORM DTC CONFIRMATION PROCEDURE-1
With CONSULT
NOTE: Do not depress accelerator pedal even slightly.
Is 1st trip DTC detected? YES >> Proceed to EC-328, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
NOTE: It will take at most 2 hours until “OFF” of “EVAP DIAG READY” changes to “ON”.
NOTE: Never turn ignition switch ON during 90 minutes.
Which is displayed on CONSULT? CMPLT>> GO TO 4.
YET >> 1. Perform DTC CONFIRMATION PROCEDURE again.
2. GO TO 1.
4.PERFORM DTC CONFIRMATION PROCEDURE-3
With CONSULT
Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Proceed to EC-328, "Diagnosis Procedure".
NO >> INSPECTION END
5.PERFORM DTC CONFIRMATION PROCEDURE-4
With GST
NOTE: Do not depress accelerator pedal even slightly.
Is 1st trip DTC detected? YES >> Proceed to EC-328, "Diagnosis Procedure".
NO >> GO TO 6.
6.PERFORM DTC CONFIRMATION PROCEDURE-5
With GST
NOTE: Never turn ignition switch ON during 90 minutes.
Is 1st trip DTC detected? YES >> Proceed to EC-328, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER
Water should not exist.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness connector.
2.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts
4.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace error-detected parts.
6.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check the EVAP control system pressure sensor. Refer to EC-330, "Component Inspection".
Is the inspection result normal? YES >> GO TO 7.
NO >> Replace EVAP control system pressure sensor. Refer to FL-22, "Removal and Installation".
7.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Always replace O-ring with a new one.
CAUTION:
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace EVAP control system pressure sensor. Refer to FL-22, "Removal and Installation".
Front seat
DRIVER SIDE
DRIVER SIDE : Exploded View
POWER SEAT
Headrest
Seatback support
Seatback board
Seatback heater (if equipped)
Seatback trim
Seatback pad
Seat cushion outer finisher (RH)
Seat cushion rear finisher
(RH)
Seat cushion inner fini ...
Operation
Switch Name and Function
STEERING SWITCH
No.
Switch name
Operation
Description
1
Enter/Up/Down switch
Press
The information display settings can be changed.
2
Display switch
3
Back switch
METER CONTROL SWITCH
No.
Sw ...
CVT oil warmer
Exploded View
Transaxle assembly
CVT oil warmer
: N·m (kg-m, in-lb)
Removal and Installation
REMOVAL
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
engine coolant escaping from the radiator. Wrap a thick cloth around ...