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Accelerator Pedal Position Sensor > < A/C Compressor Signal <--> [A/C Signal]|Testing and Inspection

A8 Sedan V8-3.7L (AEW) (1997)

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If LED does not light:

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Check wiring for open or short circuit between ECM/test box socket C14 and A/C control head -E87-.

If wiring and connections are OK:

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Check function of A/C control head.

Accelerator Pedal Position Sensor > < A/C Compressor Signal <--> [A/C Signal]|Testing and Inspection