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

Dtc p0505 idle air control system

Dtc p0511 idle air control circuit

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Glossary of sae and toyota terms
This glossary lists all sae–j1930 terms and abbreviations used in this manual in compliance with sae recommendations, as well as their toyota equivalents. ...

Basic inspection
When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found ...

Inspection procedure
1 Check source voltage Measure the voltage of the battery. Ok: voltage: 10 – 14 v 2 Check air bag sensor assy center Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors from the airbag sensor assy ...