Computers and Control Systems

Vacuum System Layout:

Vacuum Component Layout

1 To Evaporative Emissions (EVAP) canister
2 To Engine Control Module (ECM)
^ Located in electronics box, passenger side footwell
3 Moisture separator
4 Connection for differential lock and A/C
5 Evaporative Emission (EVAP) canister purge regulator valve - N80
6 Idle Air Control (IAC) valve - N71
7 Intake manifold
8 Deceleration fuel shut-off valve
^ Controls boost pressure during shifting
^ Allows smooth startups
^ Eliminates jerking during acceleration
9 Wastegate bypass regulator valve - N75
10 To blow-off valve
11 Fuel collector hose
12 Fuel pressure regulator