Depending on A/C Ascendancy Arch -E87- version, all segments, ascendancy lights in buttons as able-bodied as the button beam of - E87- are displayed or dark. For Audi allroad, the change-over of the A/C arrangement is not performed with the archetypal year change 2001 to 2002, instead it is a active change (implementation open, for cars with 4.2 Liter engine with alpha of production). A/C clamp -N25- - A/C clamp -N25- clicks every 2 seconds, compressor is engaged. - Input of A/C Ascendancy Arch -E87- is bankrupt every 2 abnormal (switched to Ground). - Check voltage accumulation for A/C clamp - N25- (via clamp broadcast -J44-) according to base diagram. - Check base amid -E87-, -J44- and -N25- according to base diagram. - Replace A/C ascendancy arch - E87-. The ECM uses the A/C compressor cut in arresting to atone for the briefly college amount placed on the engine if the compressor is switched on. The ECM can about-face off the A/C compressor via the A/C compressor allowance output/input ( Read barometer amount block). Beginning Air Blower -V2- - Beginning Air Blower -V2 is activated for 2 sec. with 0V, 3V, 6V, 9V, 12V, 15V, 0V etc. - Make abiding beginning air blower moves freely. - Check Ground affiliation to Ascendancy bore for beginning air blower -J126- according to base diagram. - Check ascendancy bore for beginning air blower - J126- - Replace A/C ascendancy arch - E87-. Actuator for temperature accessory larboard -V158- - Actuator for temperature accessory larboard - V158- moves from stop to stop (fresh air blower is active and air is advancing from apparatus console vents) 1). - Air temperatures from larboard vents changes. - Check base amid Actuator for temperature accessory larboard -V158- and A/C ascendancy arch -E87- for accessible ambit or antipodal base according to wiring diagram.
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