Bosch 2008 User Manual download pdf (Page 14)

Bosch Automotive Aftermarket 2008 | 2009

A12 | Gasoline injection systems

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ME-Motronic with ETC

The principal function of the engine-man-

agement system is to set the driver’s torque

input whilst at the same time achieving

optimum fuel consumption and the lowest

possible emission level. The ME-Motronic

engine-management system combines

all the sub-systems required for this: The

electronic throttle control (EGAS) sets

the amount of air needed to generate this

torque. The corresponding fuel mass is con-

trolled in the gasoline injection sub-system

and the ignition sub-system sets the appro-

priate ignition point as well as the neces-

sary ignition energy.

In combination with other electronic sys-

tems in the vehicle, the ME-Motronic also

enhances ride comfort and user safety. If,

for example, an ABS or ESP system requires

a speciﬁc engine torque to provide vehicle

traction, the ME-Motronic sets the neces-

sary torque.

The sub-systems have become more closely

integrated in order to deal with this wide

range of engine-management tasks.

 Carbon canister

 Canister-purge valve

 Intake-manifold pressure sensor*

 Fuel rail/injector

 Camshaft adjuster*

 Ignition coil/spark plug

 Phase sensor

 Lambda Sensor

 Air-mass meter

N Throttle device (ETC)

O EGR valve*

Q Speed sensor

M Knock sensor

K Temperature sensor

, Primary catalytic converter

- Lambda Sensor

I Main catalytic converter

H Accelerator-pedal module

J In-tank unit

N Electronic control unit

O CAN

Q Diagnosis lamp

M Diagnostics interface

K Immobilizer

ETC = Electronic throttle control

EOBD = European On-Board Diagnosis

System

RLFS = Non-return fuel supply system

Inlet and/or exhaust adjustment

* = optional

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Bosch components

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