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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (1.9L - Fuel Injection Glow Plug, Engine Code ALH, From My 2002 (A4 Platform)) >> 23 Diesel Fuel Injection >> Additional signals, checking >> A/C system signals, checking >> Compressor shut-off, checking

Compressor shut-off, checking

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The A/C control head signals the Diesel Direct Fuel Injection Engine Control Module J248 that the A/C compressor will be switch on, via the A/C compressor signal.

Through another wiring connection, the engine control has the possibility of switching off the air conditioner compressor for various operating conditions:

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