Toyota Corolla (E120): Idle air control System/ Circuit

Inspection procedure

Circuit description

Other materials:

Problem symptoms table
Hint: if a normal code is displayed during the dtc check but the trouble still occurs, check the circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting. The matrix chart is divided into 3 chapters. If the instruc ...

Toyota Safety Sense 3.0 software update
It is necessary to enter a connected services contract, provided by Toyota, to use these functions. For details, contact your Toyota dealer. WARNING ■For safe use When the Toyota Safety Sense 3.0 software is updated, the operating methods of functions may change. Using this system without knowing ...

Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circ ...