Computers and Control Systems: Locations

1 - Air Cleaner
2 - Mass Air Flow sensor G70
3 - Knock sensor 1 G61

4 - Intake hose
- with heater element connection N79 for Positive Crankcase Ventilation system
5 - Throttle Valve Control Module J338
- heated by coolant
6 - Camshaft Position sensor G40

7 - EGR valve

8 - Ignition coil N152
- With ignition cable identification, do not interchange.
9 - Ground connection
10 - EVAP canister purge regulator valve N80

11 - EVAP canister
- location: front left wheel housing

12 - Engine Control Module (ECM) J220
- location: engine compartment, left of battery
13 - Fuel pressure regulator
14 - Intake Air Temperature sensor G72
15 - A/C Cut-out Thermal Switch F163 and 3rd Speed Coolant Fan Control Thermal Switch F165
- brown, 4-pin
- for vehicles with A/C

- vehicles without A/C are plugged off
16 - Engine Coolant Temperature sensor G62
- blue, 2-pin
- for Motronic system
17 - After-run Coolant Fan Control Thermal Switch F87 for Engine Coolant Temperature sensor G2
- yellow, 4-pin
18 - Secondary Air Injection Pump Motor V101
- for EGR system See 'Emission Control Systems.' Exhaust Gas Recirculation
19 - Positive Crankcase Ventilation Heating Element N79
- for Positive Crankcase Ventilation system
20 - Engine Speed sensor G28
21 - Knock sensor 2 G66