3
Engine - Motronic Subsystems
Variable intake manifold ...................................................... 27
Secondary air system ........................................................... 32
Content
Introduction
Engine - Mechanics
Crankgear .............................................................................. 6
Engine mounting .................................................................. 9
Engine lubrication ................................................................ 10
Cooling circuit ....................................................................... 16
Cylinder head
Five-valve technology ............................................. 19
Roller rocker ............................................................ 20
Camshaft adjuster .................................................. 22
Toothed-belt drive; cylinder-head seal ................. 24
Cylinder-head cover seal ........................................ 25
Exhaust manifold .................................................... 26
Technical data ....................................................................... 5
The self-study programme is not a repair manual!
The self-study programme provides you with information
concerning the engine's construction features and functions.
New! Caution!
Important!
Page
When carrying out maintenance and repair work, it is essential
to use the latest technical literature.
Engine Management
System overview ................................................................... 36
Function diagram ................................................................. 38
Quick-start functions
Camshaft position sensor ...................................... 40
Engine run-down sensor ........................................ 41
Electronic throttle function ................................................. 42
CAN bus interfaces ............................................................... 44
Additional signals / interfaces ............................................ 46
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
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