Rover Mini Especificações descarregar pdf

Chapter 14

RoverMEMS - MPi/SPi

Contents

Overview of system operation

Catalyticconverter and emission control. . . . . . . . . . . . . . . . . . . ..

Control functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2

Fuel injection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5

Ignition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4

Introduction' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1

Primary trigger. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3

Adjustments

Adjustmentpre-conditions 7

Idle adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Ignition timing checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9

Throttle adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8

System sensor and actuator tests -

Air temperature sensor (ATS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Carbon filtersolenoid valve(CFSV). . . . . . . . . . . . . . . . . . . . . . . . . . 31

Coolanttemperature sensor (CTS) 19

ECMvoltage supplies and earths. . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Fuelinjector operation (MPi) 14

Fuel injector operation (SPi) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Specifications

Vehicle

Rover MEMS MPi

114 1.4 GTi 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

214 1.4 OOHC 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

220 2.0 OOHC 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

220 2.0 OOHC 16V turbo cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

414 1.4 OOHC 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

414 1.4 OOHC 16V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

416 1.6 OOHC 16V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

420 2.0 OOHC 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

420 2.0 OOHC 16V turbo cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

620 2.0 OOHC 16V turbo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

820i 2.0 OOHC 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

820 2.0 OOHC 16V turbo cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Metro 1.4 GTi OOHC 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MGF 1.8 OOHC 16V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MGF 1.8 WC OOHC 16V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Montego 2.0 EFi ...........................................

Montego 2.0 EFi AT ........................................

Rover MEMS SPi

Metro 1.4 16V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Metro 1.4 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. . . . . . .

Metro 1.4 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mini Cooper 1.3i MT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MiniCooper 1.3iAT ........................................

MiniCooper 1.3iCabriolet ...................................

Mini1.3 ..................................................

111 .....................................................

114 .....................................................

114 1.4i & Cabrio cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

114 1.4i 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

214/414 non cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

214/414 cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

214 1.4 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

414 1.4 16V cat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

414 1.4 16V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- -

Fuel pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Fuelpump and circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Inertia switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Knocksensor (KS) .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Manifoldheater (SPiengines only) 23

MAPsensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multi-function unit (MFU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Oxygen sensor (OS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Phase sensor (CID) 16

Primaryignition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Primary trigger - crank angle sensor (CAS) .. . . . . . . . . . . . . . . . . . . 11

Stepper motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

System relays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Throttlepotentiometer sensor (TPS) 21

Throttleswitch (TS) 20

Pin table -typical 36-pin and 18-pin

Fault codes -

Obtaining fault codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

. I:

Year

idle speed

CO%

1991 to 1994

850 ::I:50 0.75 max

1992 to 1996 875 ::I:50 0.5 max

1991 to 1994 850 ::I:50 0.5 to 2.0

1992 to 1996

850 ::I:50 0.5 to 2.0

1992 to 1996 850 ::I:50 0.5 to 2.0

1992 to 199p

875 ::I:50 0.5 max

1995 to 1996

875 ::I:50 0.5 max

1995 to 1996 875 ::I:50 0.5 max

1991 to 1994

850 ::I:50

0.5 to 2.0

1992 to 1996

850 ::I:50

0.5 to 2.0

1992 to 1996 850 ::I:50 0.5 to 2.0

1994 to 1996

800 ::I:50

0.3 max

1991 to 1996

850 ::I:50 0.5 to 2.0

1992 to 1996 850 ::I:50

0.5 to 2.0

1991 to 1994

850 ::I:50

0.5 to 2.0

1995 to 1996

875 ::I:50

0.3 max

1995 to 1996

875::1:50 0.3 max

1989 to 1992

750 ::I:50 2.0 to 2.5

1989 to 1992

750 ::I:50 2.0 to 2.5

1990 to 1992

850::I:50

0.5 to 2.0

1990 to 1992 850 ::I:50

0.5 to 2.0

1993 to 1997 850 ::I:50 0.5 to 2.0

1991 to 1992

850 ::I:50

0.5 to 2.0

1991 to 1992

850::I:50 0.5 to 2.0

1993 to 1997

850 ::I:50

0.5 to 2.0

1996 to 1997

850 ::I:50 0.4 max

1995 to 1997

850 ::I:50 0.4 max

1995 to 1997

875 ::I:50

0.4 max

1991 to 1994

875 ::I:50 0.75 max

1991 to 1993 875 ::I:50 0.75 max

1989 to 1992

850 ::I:50 0.5 to 2.0

1990 to 1992 850 ::I:50

0.5 to 2.0

1992 to 1996 850 ::I:50

0.5 to 2.0

1992 to 1996 850::I:50 0.5 to 2.0

1995 to 1996 850 ::I:50 0.5 to 2.0

1 2 3 4 5 6 ... 12 13

Resumo do Conteúdo

Página 1 - Chapter 14

Chapter 14RoverMEMS - MPi/SPiContentsOverview of system operationCatalyticconverter and emission control. . . . . . . . . . . . . . . . . . . ..6Contr

Página 2 - Overview of system operation

14.10 Rover MEMS -MPi/SPiEOH14178 9 33 30 16e'arthKS TPS CTS ATS14.10 Typical local wiring diagram:sensors2 Voltage to the injectors is provided

Página 3 - - MPi/SPi 14-3

Rover MEMS - MPi/SPi 14-11.ECM2 3 22 27 24 23 . 26supptyfrommainrelay: t8723164" SteppermotorEOH1418inj 1 inj2 inj3 inj414.12 Typical local wirin

Página 4 - -sequential)

14-12 Rover MEMS -MPi/SPiSTEPPER MOTORFUEL PUMP OXYGEN CFSV14.16 Typical local wiring diagram: relays (MFU)and components- - -- - --- --Testing the MF

Página 5 - -MPi/SPi 14-5

Rover MEMS - MPi/SPi 14-13Fault codest_~:n~~UR:_. . ,1 Rover MEMS requires a dedicated FCR toaccess fault codes and Datastream, actuatecomponents and

Página 6 - - irrespective

14.2 Rover MEMS - MPi/SPi, ~- .:;Overview of system operation1 Introduction--, 11Please read this overview of Rover MEMSoperation in conjunction with

Página 7 - -MPi models with

2 ControlfunctionsRover MEMS- MPi/SPi 14-3.!.:gnal processingThe MEMS ECM is designed with threemain areas of control. These are the ignition,fuel sys

Página 8 - Adjustments

14-4 Rover MEMS - MPi/SPiAmplifierThe MEMS amplifier contains the circuitryfor switching the coil negative terminal at thecorrect moment to instigate

Página 9 - - MPi/SPi 14.9

Rover MEMS -MPi/SPi 14-5present in sequential systems), each injectoris actuated as its inlet valve opens, in firingorder.sSingle-point fuel injection

Página 10 - -MPi/SPi

14-6 Rover MEMS - MPi/SPi"running, the stepper motor will open thethrottle so that the engine rpm willbe set to asuitable fast idle speed. Also,

Página 11 - -- .

Rover MEMS - MPi/SPi 14-714.5 Fuel delivery circuitfor SPi engines1Fuel tank2 Fuelpump3 Swirlpot4 Non-returnvalve5 Fuelfilter6 Fuelinjector7 Fuelpress

Página 12 - -- ---

14.8 Rover MEMS - MPi/SPiTurbochargerReferto Chapter 2 fora detailed descriptionof turbocharger operation. An intercooler,which is a kind of air radia

Página 13 - 24 +=E:IDODDDDDDDDI!I

Rover MEMS - MPi/SPi 14.9--- t-- - - - -----9 700 timingchecks.p... ----1 The ignition timing is not adjustable onthese models, and timing marks are n

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