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Home >> BMW >> 2008 >> 535i Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1654 (Self Diagnosis - Theory & Operation (S85)) >> Variable Camshaft (VANOS) including Camshaft and Crankshaft Sensor >> Variable Camshaft (VANOS) >> Rationality check of max. mechanical limit >> Diagnostic Overview

Diagnostic Overview

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When the target position is next to the expected max. mechanical limit, the VANOS is driven toward its mechanical limit.

After a short time, when the position has settled, this position is stored as the max. mechanical limit.

This position is compared to the expected limit, and if the difference is to large, a fault code is stored.

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