Toyota Celica 2005 Repair Manual page 362

MONITOR STRATEGY
Related DTCs
Required sensors/components
Frequency of operation
Duration
MIL operation
Sequence of operation
TYPICAL ENABLING CONDITIONS
Item
The monitor will run whenever these
DTCs are not present
Battery voltage
Throttle position learning
VVT system
Engine speed fluctuation
Engine RPM
Engine coolant temperature
Fuel−cut
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
Emission−related−misfire:
Misfire rate
Catalyst−damage−misfire (MIL blinks):
Number of misfire per 200 revolutions
2005 CELICA (RM1131U)
DIAGNOSTICS −
P0300
P0301
P0302
P0303
P0304
Main sensors/components
Related sensors/components
Continuous
Every 1,000 revolutions (soon after engine is started: once, other 4 times) (emission related misfire)
Every 200 revolutions (1 or 3 times) (catalyst deteriorating misfire)
2 driving cycles MIL: ON
Immediate: MIL blinking (Catalyst deteriorating misfire)
None
Minimum
8 V
Engine speed should not have changed rapidly
450 rpm
−10_C (14_F)
361
ENGINE (1ZZ−FE)
Random/Multiple cylinder misfire detected
Cylinder 1 misfire detected
Cylinder 2 misfire detected
Cylinder 3 misfire detected
Cylinder 4 misfire detected
Camshaft position sensor, Crankshaft position
sensor
Engine coolant temperature sensor, Intake air
temperature sensor, Throttle position sensor
Specification
See page DI−3
Completed
Normal operate (by scan tool)
OFF
Threshold
1.6 % or more
88 or more
( varies with intake air amount and RPM)
DI−163
Maximum
−
7,000 rpm
−