Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Idle air control System/ Circuit
Toyota Corolla (E120): Idle air control System/ Circuit
Dtc p0505 idle air control system
Dtc p0511 idle air control circuit
Other materials:
Stopping the engine
1 Stop the vehicle.
2 Continuously variable transmission: Shift the shift lever to P.
Manual transmission: Shift the shift lever to N.
3 Set the parking brake. 4 Press the engine switch.
5 Vehicles without a multi-information display: Release the brake pedal (continuously
variable transmission ...
Overhaul
Caution:
wear the gloves, because the cutting surface of the seat back frame and seat
adjuster may injure
your hand.
Hint:
tape the screwdriver tip before use when prying parts.
1. Disconnect battery negative terminal
Caution:
wait for 90 seconds after disconnecting the battery terminal a ...
Circuit description
The intake air temperature (iat) sensor, mounted on the mass
air flow (maf) sensor, monitors the intake air temperature. The
iat sensor has a thermistor that varies its resistance depending
on the temperature of the intake air. When the air temperature
is low, the resistance in the thermisto ...


