Kia Optima: ETC (Electronic Throttle Control) System. Description and Operation

ECM Problem Inspection Procedure

1. TEST ECM GROUND CIRCUIT: Measure resistance between ECM and chassis ground using the backside of ECM harness connector as ECM side check point. If the problem is found, repa ...

Description

The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Instead of the traditional throttle cable, an Accele ...

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Inspection
1. Check the audio remote control switch (A) for resistance between connector terminals in each switch position. [LH-Audio] [LH-Mute] [Audio] Switch ...

Circuit Diagram - ESC (3)
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Disassembly
1. Remove the alternator cover (A) using a screw driver after loosening the nuts (B). 2. Remove the slip ring guide (A) and then loosen the ...