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Rear Defogger|Testing and Inspection|Page 6894 > < Vanity Lamp|Service and Repair
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Rear Defogger: Testing and Inspection

Rear window defroster, electrical test

Required measuring and test items

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Multimeter VAG1715 (with current probe)

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Test set VW1594 A

Test requirements

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All fuses OK per wiring diagram

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Switch off ignition.

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Remove A/C control head -E87-.

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Remove connector -F- from control head -E87-.

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Switch on ignition.

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Measure voltage between contacts 1 and 2.
Specified value: approx. battery voltage

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Switch off ignition.

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Connect connector -F- to -E87-.

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Guide wire -A- to connector -E- using VAG1715.

NOTE:  All connectors connected to -E87-.

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Function "Current measurement via current tool" on VAG1715.

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Start engine.

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Switch on rear heated glass to -E87- (warning light in the button lights up).

Rear Defogger|Testing and Inspection|Page 6894 > < Vanity Lamp|Service and Repair