Testing ignition system
Checking engine speed sender
Fitting location of sender and connector .
Note:
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◆ The engine speed sender is a combined speed sender and reference mark sender. Without a signal from the -G28 the engine cannot be started. If the signal from the -G28 fails while the engine is running, the engine will cut out immediately.
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◆ For testing the operation of the engine speed sender, see also "Reading measured value block", Display Group 003, display zone 1.
Special tools, testers and auxiliary items
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◆ Hand multimeter V.A.G 1526 or V.A.G 1526 A
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◆ Fault reader V.A.G 1551 (or vehicle system tester V.A.G 1552) with cable V.A.G 1551/3
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◆ Adapter set V.A.G 1594
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◆ Test box V.A.G 1598/22
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‒ Before carrying out the test, make sure that the sender is correctly installed and firmly seated.
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