Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Evaporative emission control
system
Toyota Corolla (E120): Evaporative emission control system
Dtc p0441 evaporative emission control system incorrect purge flow
Dtc p0446 evaporative emission control system vent control circuit
Other materials:
Noise occurs
Inspection procedure
1 Check of speaker installation
Check speaker installation condition.
Check that each speaker is securely installed.
Standard: malfunction disappear.
Hint:
the radio is equipped with noise prevention system that does not work against
the regular use of t ...
Replacement
1. Remove clutch start switch assy
disconnect the clutch start switch assy connector.
remove the nut and clutch start switch assy from the clutch pedal
support.
2. Install clutch start switch assy
install the clutch start switch assy with the nut.
Torque: 15.68 Nv ...
Circuit description
A thermistor is built in the engine coolant temperature sensor and changes
the resistance value according
to the engine coolant temperature.
The structure of the sensor and connection to the ecm is the same as those of
the intake air temperature
sensor.
Hint:
if the ecm detects the dtc ...