volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] > < A/C Signal|Testing and Inspection|Page 3989
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Check function of A/C control head -E87-.

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Check readiness code. If Diagnostic Trouble Code (DTC) memory has been erased, or ECM was disconnected, generate new readiness code.   
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes 

Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] > < A/C Signal|Testing and Inspection|Page 3989