Toyota Corolla (E120): Source voltage drop

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Lower ball joint assy front lh
Replacement Hint: components: 1. Inspect lower ball joint assy front lh Jack up front side of the vehicle.  check the rattle of the lower ball joint assy front lh. 2. Remove front wheel 3. Remove front axle hub lh nut sst 09930–00010 4. Disconnect speed sensor front lh (w/ ...

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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 ...