audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

OXS System - Checking Procedure|Page 3092 > < OXS System - Checking Procedure|Page 3090
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If NO, check for broken wire or inoperative OXS control unit according to current flow diagram.

Pressure gradient switch, checking (removed from vehicle)

Work sequence

FIGURE 5

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attach hose from vacuum pump to pressure gradient switch

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connect ohmmeter to switch terminals

OXS System - Checking Procedure|Page 3092 > < OXS System - Checking Procedure|Page 3090