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:

    Starting the engine
    1 Check that the parking brake is set. ► Vehicles without a multi-information display 2 Continuously variable transmission: Check that the shift lever is set in P. Firmly depress the brake pedal. Manual transmission: Check that the shift lever is set in N. Firmly depress the clutch peda ...

    Tire information
    Typical tire symbols ► Full-size tire ► Compact spare tire 1 Tire size 2 DOT and Tire Identification Number (TIN) 3 Uniform tire quality grading For details, see “Uniform Tire Quality Grading” that follows. 4 Location of treadwear indicators 5 Tire ply composition and ma ...

    Using the radio (Multimedia system)
    Radio operation Select “AM” or “FM” on the audio source selection screen to begin listening to the radio. Audio control screen Pressing the “AUDIO” button displays the audio control screen from any screens of the selected source. 1 Audio source selection screen appears 2 Preset ...