Checking components and functions
Checking intake manifold pressure sender and elevation sender
(Engine codes AFN, AVG, AHU, ALE, 1Z only)
Both pressure senders are located in the Diesel direct injection system control unit. Only for vehicles up to 08.94the altitude sender -F96is a separate component and is located behind dash panel above central electrics.
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
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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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◆ Test box V.A.G 1598/18
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◆ Hand multimeter V.A.G 1526 or multimeter V.A.G 1715
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◆ Measuring cable V.A.G 1501
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◆ Adapter set V.A.G 1594
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◆ Current flow diagram
Test sequence
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‒ Connect the fault reader V.A.G 1551 (V.A.G 1552). Then switch ignition on and select engine control unit with the "Address word" 01.
(Connecting fault reader and selecting engine control unit
.)
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