DI
−
526
−
DIAGNOSTICS
ENGINE (2ZZ
−
GE)
2005 CELICA (RM1131U)
MONITOR DESCRIPTION
The evaporative emission system consists of the vapor pressure sensor, the CCV (Canister Closed Valve),
the pressure switching valve and the EVAP VSV (Purge VSV), and those are used to detect malfunctions
in the system by ECM.
This test will run once per driving cycle when the ECM detects stable vapor pressure in the fuel tank. While
the vehicle is being driven on rough or winding roads, the movement of the fuel in the tank will cause unstable
fuel tank vapor pressure and the diagnostic test will not executed.
The ECM performs the following steps:
(a)
Closes the CCV. (shuts the system)
(b)
Checks the stability of the fuel tank pressure. If the variation in the pressure is greater than the specified
value, disables the diagnosis.
(c)
Opens the EVAP VSV to introduce a negative pressure (vacuum) from the intake manifold into the fuel
tank.
(d)
Closes the EVAP VSV to seal the fuel tank for storing the negative pressure.
(e)
Monitors the negative pressure in the fuel tank for:
(1)
Rapid decrease, i.e. a large leak, 0.040 inch or more
(2)
Decrease greater than the normal value
If the ECM detects either of the above conditions, the ECM interprets this as a leak in the EVAP system.
The ECM will illuminate the MIL (2
−
trip detection logic) and set a DTC.
MONITOR STRATEGY
Related DTCs
P0442
Small leak (0.040 inch or more large hole) is de-
tected
P0456
Very small leak (0.020 inch hole) is detected
Required sensors/components
Main sensors/components
Vapor pressure sensor
Related sensors/components
Mass air flow meter, Engine coolant temperature
sensor
EVAP VSV (purge VSV), CCV
Frequency of operation
Once per driving cycle
Duration
60 sec.
MIL operation
2 driving cycles
Sequence of operation
None
724
Содержание Celica 2005
Страница 72: ...PP0K9 10 PREPARATION IGNITION PP 21 2005 CELICA RM1131U EQUIPMENT Spark plug cleaner 71 ...
Страница 115: ...PP3Y3 02 PP 64 PREPARATION BRAKE 2005 CELICA RM1131U RECOMMENDED TOOLS 09082 00040 TOYOTA Electrical Tester 114 ...
Страница 134: ...PP0MW 04 PREPARATION BODY PP 83 2005 CELICA RM1131U LUBRICANT Item Capacity Classification MP grease 133 ...
Страница 219: ...A21571 DI 20 DIAGNOSTICS ENGINE 1ZZ FE 2005 CELICA RM1131U 218 ...
Страница 260: ... DIAGNOSTICS ENGINE 1ZZ FE DI 61 2005 CELICA RM1131U MEMO 259 ...
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Страница 400: ... DIAGNOSTICS ENGINE 1ZZ FE DI 201 2005 CELICA RM1131U MEMO 399 ...
Страница 512: ...A21571 DIAGNOSTICS ENGINE 2ZZ GE DI 313 2005 CELICA RM1131U 511 ...
Страница 699: ...DI 500 DIAGNOSTICS ENGINE 2ZZ GE 2005 CELICA RM1131U MEMO 698 ...
Страница 879: ...A21571 DI 680 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E 2005 CELICA RM1131U 878 ...
Страница 880: ...A21572 A22718 A22768 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E DI 681 2005 CELICA RM1131U 879 ...
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Страница 1599: ...SF0OF 13 B07709 ECM Cover ECM SF 78 SFI ENGINE CONTROL MODULE ECM 2005 CELICA RM1131U ENGINE CONTROL MODULE ECM COMPONENTS 1598 ...
Страница 2219: ...I13605 Door Courtesy Switches Fuel Sender Gauge BE 44 BODY ELECTRICAL COMBINATION METER 2005 CELICA RM1131U 2218 ...
Страница 2220: ...I11735 Connector A Connector B BODY ELECTRICAL COMBINATION METER BE 45 2005 CELICA RM1131U 2219 ...
Страница 2299: ...BE1DE 09 I25302 Antenna Assembly Audio Assembly BE 124 BODY ELECTRICAL ANTENNA 2005 CELICA RM1131U ANTENNA LOCATION 2298 ...
Страница 2308: ...V00012 Shape Example Removal Installation Removal Installation Removal Installation BO 2 BODY CLIP 2005 CELICA RM1131U 2307 ...
Страница 2314: ...BO2ND 07 BO 8 BODY HEADLIGHT 2005 CELICA RM1131U INSTALLATION Installation is in the reverse order of removal See page BO 6 2313 ...
Страница 2348: ...BO2NO 02 H12580 Roof Side Moulding BO 42 BODY ROOF SIDE MOULDING 2005 CELICA RM1131U ROOF SIDE MOULDING COMPONENTS 2347 ...
Страница 2352: ...BO1E6 06 H12582 Side Mud Guard 9 Clips BO 46 BODY SIDE MUD GUARD 2005 CELICA RM1131U SIDE MUD GUARD COMPONENTS 2351 ...
Страница 2483: ...I14013 Fan Motor Fan Shroud Fan Nut AIR CONDITIONING CONDENSER FAN AC 59 2005 CELICA RM1131U 2482 ...