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Home >> Chevrolet >> 2000 >> Metro Base, 4D Sedan >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Circuit Tests >> Electrical Load Idle-Up Circuit (1.8L) >> Circuit Description
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Circuit Description

The PCM receives an idle-up signal from taillight relay and rear defogger relay. This signal is present whenever one or more of the following systems is turned on or operated:

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