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Home >> Ford >> 2004 >> Freestar Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Diagnostic Methods - CNG, Flex-Fuel & Gasoline >> Quick Test >> Key On Engine Running (KOER) On-Demand Self-Test >> Transmission Control Switch Test

Transmission Control Switch Test

This tests the ability of the Electronic EC system to detect a change of state in the transmission control switch (TCS). Switch MUST briefly be cycled on all vehicles equipped with TCS input. This is done during KOER On-Demand Self-Test.

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