ad0751s6000a

Fuel injection system (HFM-SFI), testing electrical system

Type ad · topic 07.51 · version 0105 · 2003-06-06

Applies to: ENGINE 104.900 in MODEL 638

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.51 HFM-SFI fuel injection/ignition system — Series 638

Also applies to engines/gearboxes: 104 900

AD07.51-S-6000A

Fuel injection system (HFM-SFI), testing electrical system

9.6.97

ENGINE 104.900 in MODEL 638

Location of HFM-SFI components

GF07.51-S-0001-02A

Electrical wiring diagrams

PE07.51-S-2000A

Disconnect control unit couplings only with ignition switched off

Note on measuring instrument / test connection column

The numbers entered in brackets,

e.g. (1.23) mean:

1= Coupling 1 in wiring diagram

23= Socket 23 in wiring diagram

Connection and use of test equipment

AD00.00-S-1000AZ

Fuel injection and ignition system (HFM-SFI) diagnosis, previous knowledge

AD07.51-S-2000A

Fuel injection and ignition system, testing electrical system of HFM-SFI tools

AD07.51-S-2000-02A

Socket box connection diagram, testing electrical system of HFM-SFI

AD07.51-S-2000-03A

Coupling assignment for HFM-SFI control unit

AD07.51-S-2000-06A

HFM-SFI control unit and immobilizer control unit are permanently configured after first initialization. The installation of a control unit "on trial" is therefore not possible

AD07.51-S-2000-08A

Fuel injection and ignition system HFM-SFI diagnosis fault memory

AD07.51-S-4000A

a

Ignition: OFF

b

Connect test cable set with socket box on HFM-SFI control unit (A52) in accordance with connection diagram.

Test

1

HFM-SFI control unit terminal 30, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-01A

2

Control unit voltage supply terminal 15, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-62A

3

Fuel pump relay, testing electrical system of fuel injection system (HFM-SFI)

AD07.51-S-6000-06A

4

Secondary airy pump relay, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-58A

5

Secondary air valve, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-59A

6

Intake manifold switch-over valve, testing electrical system (HFM-SFI)

AD07.51-S-6000-51A

7

EGR impulse valve, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-60A

8

Fuel tank vent valve, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-61A

9

Injection valve 1, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-65A

10

Injection valve 2, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-66A

11

Injection valve 3, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-67A

12

Injection valve 4, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-68A

13

Injection valve 5, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-69A

14

Injection valve 6, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-70A

15

Coolant temperature sensor, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-09A

16

Intake air temperature sensor, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-10A

17

Rpm sensor, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-75A

18

HFM-SFI control unit rpm signal, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-11A

19

Crankshaft position sensor, testing electrical system of ignition system HFM-SFI

AD07.51-S-6001-06A

20

Hot film mass airflow sensor 4-pin, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-04A

21

O2 sensor signal, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-13A

22

O2 sensor heating, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-14A

23

Knock sensor 1 testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-71A

24

Knock sensor 2 testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-72A

25

Vehicle speed signal, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.244

AD07.51-S-6000-24A

26

A/C compressor switch-on signal, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.244 with air conditioning system

AD07.51-S-6000-31A

27

CAN data bus, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.244

AD07.51-S-6000-41A

28

CAN data bus, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.294

AD07.51-S-6000-41B

29

Diagnostic output, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.244

AD07.51-S-6000-74A

30

Diagnostic output, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.294

AD07.51-S-6000-74B

31

Immobilizer, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-57A

32

Throttle valve actuator, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-54A

33

Throttle valve potentiometer drive, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-56A

34

Throttle valve actuator potentiometer, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-63A

35

Idle speed switch, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-64A

36

Cruise control stop lamp switch, testing electrical system of fuel injection and ignition system (HFM-SFI)

AD07.51-S-6000-73A

37

Idle speed contact, testing electrical system of cruise control / idle speed control HFM-SFI

AD07.51-S-6002-04A

38

Cruise control push button, testing electrical system of cruise control / idle speed control HFM-SFI

AD07.51-S-6002-08A

39

Low pressure oil pressure switch, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-81A

40

High pressure oil pressure switch, testing electrical system of fuel injection system HFM-SFI

AD07.51-S-6000-82A

41

Oil pressure indicator lamp, testing electrical system of fuel injection system HFM-SFI

For engine 104.900 in model 638.244

AD07.51-S-6000-83A

42

Ignition coil, testing electrical system of ignition system HFM-SFI

AD07.51-S-6001-20A

Referenced documents