SAAB WIS ONLINE

Test readings, control module connections

Test readings, control module connections


> = greater than < = less than » = approximately equal to ac= alternating current (LP: LOGIC PROBE P = select pulse; p = visible pulses).

















1

WH

Fuel pump relay

Out

T - On

1 - 34

B+

30 /









900 ±50



< 0.5 V



2

BN

IAC valve

Out

900 ±50

2 - 34

5.5 V 100 Hz 6.6 ms

52 /

3

GY

Injector 1

Out

900 ±50

3 - 55

B+ 4 ms

44 /

4

VT

Injector 4

Out

900 ±50

4 - 55

B+ 4 ms

44 /

5



not used











6

BK

Power ground

In

900 ±50

6 - B-

< 0.5 V

31 /

7



not used











8

YE/GN

CHECK ENGINE (MIL)

Out

CHECK ENGINE on

8 - 34

» 0 V

60 /









Check engine out



B+



9



not used











10



not used











11

YE

Rear heated oxygen sensor, reference ground

In

900 ±50 Active closed loop

11 - 34

» 0.8 V

32 /

12

BK

Front heated oxygen sensor, signal

In

900 ±50 Active closed loop

12 - 40

0.1 - 0.9 V

47 /

13



not used











14



Reference ground, mass air flow sensor









32 /

15



not used











16

YE

Crankshaft position sensor

In

Starter motor

16 - 43

2 - 5 V ac » 250 Hz

33 /









900 ±50



» 900 Hz » 10 V ac



17



not used











18



not used











19

OG

Relay, secondary air injection valve

Out

Active

19 - 34

< 0.5 V

54 /









Not active



B+



20



not used











21



not used











22



not used











23



not used











24



not used











25

GN

Ignition timing

Out

T - On

25 - 55

B+

42 /









900 ±50



150 - 200 Hz



26

PK/WH

+30

In



26 - 28

B+

29 /

27

BU/GY

Main relay

Out

T - On

27 - 28

< 0.5 V

30 /









T - Off



B+



28

BK

Ground, electronics

In

900 ±50

28 - B+

< 0.1V

31 /

29

GN

IAC valve

Out

900 ±50

29 - 34

» 10 V 100 Hz » 30 %% » 3.6 ms

52 /

30

YE/BN

Heating, rear heated oxygen sensor

In

900 ±50

30 - 34

» 0.5 V

48 /









Remove fuse 38.



» 0 V



31

GN

Injector 3

Out

900 ±50

31 - 55

B+ 4 ms

44 /

32

BU/PK

Injector 2

Out

900 ±50

32 - 55

B+ 4 ms

44 /

33



not used











34

BK

Ground, output stage

In

900 ±50

34 - B-

< 0.1V

31 /

35

BU/YE

SHIFT UP signal

In

900 ±50

35 - 34

< 0.1V

58 /

36

BN

EVAP canister purge valve

Out

900 ±50 See page 52 for operation.

36 - 34

15 Hz

53 /

37

BU/BN

Heating, front heated oxygen sensor

In

900 ±50

37 - 34

» 0.5 V

48 /









Remove fuse 38.



» 0 V



38

GN/OG

Throttle position output signal to transmission

Out

T - On

38 - 34

» 1.2 V

- /









900 ±50



» 1.4 V 100 Hz » 9 %% » 0.9 ms



39

BK

Rear oxygen sensor, signal

In

900 ±50 Active closed loop

39 - 11

0.1 - 0.9 V

51 /

40

YE

Front oxygen sensor, reference ground

In

900 ±50 Active closed loop

40 - 34

» 0.8 V

32 /

41

GY/WH

Mass air flow sensor

In

900 ±50 2500 ±50 Wide open throttle(No load: A/C and all electrical equipment off.)

41 - 14

» 1.0 V » 1.5 V » 3.5 V

36 /

42

PK/BK

Vehicle speed

In

Rotate wheel slowly

12 - 43

0 and » 12 V

41 /









Rotate wheel 1 turn/second



» 6 V



43

BK

Crankshaft position sensor

In

Starter motor cranking

16 - 43

2 - 5 V ac » 250 Hz

33 /









900 ±50



» 900 Hz » 10 V ac



44

YE

Camshaft position sensor

In

T - On, crank engine

44 - 28

0/5 V

35 /

45



not used











46



not used











47

GN/RD

Engine speed signal to main instrument display panel

Out

900 ±50

47 - 34

» 5 V » 30 Hz

34 /

48

RD/WH

AC RELAY

Out

900 ±50 , AC - Off

48 - 34

B+

55 /









900 ±50A/C - On



< 1V



49



not used











50



not used











51



not used











52



not used











53



not used











54

GN/RD

Voltage supply via main relay

In

T - On

B+ - 54

< 0.5 V

29 /

55

BK

Ground, ignition

In

900 ±50

55 - B-

< 0.5 V

31 /

56



not used











57



not used











58

YE/GY

+15 circuit (via anti-theft alarm control module)

In

T - On

B+ - 58

< 0.5 V

29 /

59

WH/BK

5 V power supply to sensors

Out

T - On

59 - 71

» 5 V

- /

60



not used











61



not used











62



not used











63



not used











64

GN/GY

AC IN

In

T - On, (A/C On)

64 - 28

B+

55 /









T - On, (A/C Off)



0 V



65

BU/GN

Check engine request from automatic transmission

In

On ignition switch-on

65 - 58

B+ for 1 s (LP LOp)

57 /

66



not used











67

BK

Version coding Man/Auto

In







- /

68



not used











69



not used











70

YE

Knock sensor

In

» 4000 rpm

70 - 71

» 30 mV ac

39 /

71

BN/WH

Sensor, ground

In

900 ±50

71 - B-

< 0.5 V

32 /

72

GY/RD

Version coding









- /

73

BU/WH

Throttle potentiometer

In

T - On

73 - 71

» 0.5 V

37 /









T - On, wide open throttle



» 4.5 V



74



not used











75

YE

Low fuel level

In

High fuel level T - On

75 - 34



59 /









Low fuel level







76



not used











77

GN/BK

Electrical load

In

900 ±50

77 - 71

B+

- /









900 ±50 Radiator fan on



< 1 V



78

GN/WH

Engine temperature sensor

In

Engine temperature » 90°C

78 - 71

» 1.0 V See also technical data

38 /

79



not used











80

GN/YE

Sensor, rough road

In

T - On

80 -71

» 2.5 V

61 /

81



not used











82



not used











83

GY/BK

Diagnostics communication Data link K

In/Out

ISAT scan tool connected

83 - 28

0 V

62 /









ISAT scan tool not connected



B+



84



not used











85

OG/WH

VXL signal (torque reduction)

In

T - OFF

85 - 34

< 0.1 V

- /









T - On



» 9 V



86

BK/WH

D/R input

In

P, N, manual

86 - 28

0 V

- /









R, D, 3, 2, 1



B+



87



not used











88



not used