Toyota Celica 2005 Repair Manual page 672

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
Time after engine start
Ignition switch
Starter
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
P0327:
Knock sensor voltage
P0328:
Knock sensor voltage
2005 CELICA (RM1131U)
DIAGNOSTICS −
P0327
P0328
Main sensors/components
Related sensors/components
Continuous
1 sec.
Immediate
None
Minimum
10.5 V
5 sec.
671
ENGINE (2ZZ−GE)
Knock sensor (Bank 1) range check
(Low voltage)
Knock sensor (Bank 1) range check
(High voltage)
Knock sensor
Crankshaft position sensor, Camshaft position
sensor, Engine coolant temperature sensor,
Mass air flow meter
Specification
See page DI−295
ON
OFF
Threshold
Less than 0.5 V
More than 4.5 V
DI−473
Maximum
−
−