Toyota Corolla (E120): Sfr/Sfl/Srr/Srl solenoid circuit

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Circuit description
The rotary solenoid type idle air control (iac) valve is located under the throttle body and intake air bypassing the throttle valve flows into the iac valve through the passage. In this way the intake air volume bypassing the throttle valve is regulated, controls the engine speed. The ...

Inspection procedure
1 Inspect stop lamp switch assy Check that the stop light lights up when brake pedal is depressed and turns off when the brake pedal is released. 2 Inspect skid control ecu terminal voltage(stp terminal) Disconnect skid control ecu connector. measure voltage between termina ...

If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s battery is discharged. You can also call your Toyota dealer or a qualified repair shop. If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt battery, you can jump start your vehicle by fo ...