Toyota Celica 2005 Repair Manual page 395

DI−196
Heated Oxygen Sensor Signal Length
Sensor Output
Voltage
MONITOR STRATEGY
Required sensors/components (main)
Required sensors/components (related)
Frequency of operation
Duration
MIL operation
Sequence of operation
TYPICAL ENABLING CONDITIONS
Item
These DTC is not present
Accumulated time that all of the following
conditions are met:
Battery voltage
Intake air temperature
Idle status
MAF
Engine RPM
Engine coolant temperature
Fuel system status
Catalyst temperature
TYPICAL MALFUNCTION THRESHOLDS
Catalyst deterioration level
Frequency of detection
2005 CELICA (RM1131U)
DIAGNOSTICS −
Catalyst
Front and rear heated oxygen sensors
Once per driving cycle
90 sec (30 sec x 3 times)
2 driving cycles
None
Minimum
11 V
−10_C (14_F)
5.1 g/sec
−
75°C (167°F)
450_C (842_F)
394
ENGINE (1ZZ−FE)
Signal Length
Time
See page DI−3
30 sec
OFF
Closed loop
0.4 or more
3 times
A20598
Maximum
−
−
30 g/sec
4500 rpm
750_C (1382_F)