Toyota Celica 2005 Repair Manual page 389

DI−190
TYPICAL ENABLING CONDITIONS
Item
The monitor will run whenever these
DTCs are not present
Either of the following conditions is met:
1. Following conditions are met:
(a) Engine speed
(b) Battery voltage
2. Following conditions are met:
(a) Engine speed
(b) Battery voltage
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
"Ignition signal fail count"
"Ignition signal fail count" is as follows:
COMPONENT OPERATING RANGE
Confirmed signal number = ignition signal number
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
Minimum
−
6 V
500 rpm
10 V
When IGF should have returned despite sending IGT.
Standard Value
388
Specification
See page DI−3
Condition 1 or 2
Conditions (a) and (b)
Conditions (a) and (b)
Threshold
More than 2 times
Maximum
500 rpm
−
−
−