Toyota Celica 2005 Repair Manual page 726

TYPICAL ENABLING CONDITIONS
Item
The monitor will run whenever these
DTCs are not present
All:
Altitude
Battery voltage
Throttle position learning
Fuel tank pressure sensor malfunction
Intake air temperature at engine start −
Engine coolant temperature at engine
start
EVAP VSV, CCV, bypass VSV
P0456 (0.020 inch leak):
Engine coolant temperature at engine
start
Intake air temperature at engine start
Intake air temperature
Vehicle speed change
Either of the following conditions is met:
1. Purge duty cycle
2. Purge concentration for 30 sec.
Fuel slosh
Time after engine start
Fuel tank pressure change before vacuum
introduction
Fuel level
0.040 inch leak
CCV malfunction, bypass VSV malfunc-
tion
Vehicle speed
Purge VSV malfunction
P0442 (0.040 inch leak):
Engine coolant temperature at engine
start
Intake air temperature at engine start
Intake air temperature
Either of the following conditions is met:
1. Purge duty cycle
2. Purge concentration for 30 sec.
Fuel slosh
Vehicle speed change
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
Minimum
−
11 V
−7_C (−13_F)
10_C (50_F)
10_C (50_F)
10°C (50°F)
15% or more
(when intake air amount is 8 g/sec. or more)
−5%/% or more
(when vehicle speed is less than
10 km/h (6.2 mph))
−
−
−
10°C (50°F)
10°C (50°F)
10°C (50°F)
15% or more
(when intake air amount is 8 g/sec. or more)
−5%/% or more
(when vehicle speed is less than
10 km/h (6.2 mph))
725
Criteria
See page DI−295
Completed
Not detected
Not operated at scan tool
Vehicle is driven at steady speed
Condition 1 or 2
No sloshing (i.e fairly smooth road)
Minimum change
Not detected
Not detected
Not detected
Condition 1 or 2
No sloshing (i.e fairly smooth road)
Vehicle is driven at steady speed
DI−527
Maximum
2,400 m (7,872 ft.)
−
11.1_C (20_F)
32_C (89.6_F)
32_C (89.6_F)
−
−
−
50 min.
90%
130 km/h (80.6 mph)
35°C (95°F)
35°C (95°F)
−
−
−