Toyota Corolla (E120): On–vehicle inspection

1. Inspection throttle body idle speed control valve assy

Notice:

Notice

:

  • it is impossible to check the resister value and the operation of isc valve by itself, because the isc valve has an ic circuit inside it, which transforms the duty signal from the ecm to the derive signal.
  • After checking, erase the dtc.
  • Clear the dtc after inspection.

Hint

: when the isc valve system has malfunctions except for its adherence, dtc p0505 is detected.

  1. Operation inspection.
  1.  Connect the isc connector to the isc valve.
  2.  Check the isc valve movement when the ignition switch is turned on.

    Movement: half open " fully close " fully open " half open

Hint: isc valve moves within 0.5 Second.

    Share this page:

    Other materials:

    Circuit description
    The vapor pressure sensor and the vsv for the canister closed valve (ccv) are used to detect abnormalities in the evaporative emission control system. The ecm decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal. Dtc p0 ...

    Opening the trunk
    ■ Trunk opener Pull the lever upward to release the trunk lid. ■ Trunk release button (vehicles with a smart key system) While carrying the electronic key, press the button on the trunk lid. When all the doors are unlocked using one of the following methods, the trunk can be opened without the ...

    Inspection and adjustment procedure
    1 Tire valve 2 Tire pressure gauge 1 Remove the tire valve cap. 2 Press the tip of the tire pressure gauge onto the tire valve. 3 Read the pressure using the gauge gradations. 4 If the tire inflation pressure is not at the recommended level, adjust the pressure. If you add too much air, pres ...