24 Technical Description
Engine control module inputs
Engine control module inputs
1 Power supply (+30), see page 28
2 Power supply (+ 15), see page 28
3 Ground, reference ground, see page 29
4 Crankshaft position sensor, see page 30
5 Manifold absolute pressure sensor, see page 31
6 Intake air temperature sensor, see page 32
7 Engine coolant temperature sensor, see page 33
8 Throttle position sensor, see page 34
9 Front heated oxygen sensor (before three way
catalytic converter), see page 44
1 0 Rear heated oxygen sensor (after three way cata-
lytic converter), see page 49
11 Ignition discharge module, see page 35
12 EVAP canister purge valve, see page 55
13 Brake light switch, see page 53
14 A/C-ACC, see page 58
15 Cruise Control, see page 53
16 Vehicle speed, see page 59
17 ISAT scan tool communication, see page 60
18 DRIVE position on cars with automatic transmis-
sion, see page 63
19 low fuel level, see page 64
Saab 9000
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