Computers and Control Systems: Locations

Engine Management Systems

3.2L BUB and CBRA







1 - 3-pin harness connector

2 - Knock Sensor 1 -G61- => [ Cylinder Block and Components Assembly Overview ]

3 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80- => [ Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 ]

4 - Heated Oxygen Sensor (HO2S) -G39- => [ Exhaust System Overview ] Locations

5 - Connectors for Oxygen Sensors

6 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- => [ Exhaust System Overview ] Locations

7 - Heated Oxygen Sensor (HO2S) 2 -G108- => [ Exhaust System Overview ] Locations

8 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- => [ Exhaust System Overview ] Locations

9 - Motronic Engine Control Module (ECM) -J220-

10 - Positive Crankcase Ventilation (PCV) Heating Element -N79- => [ Intake Manifold Assembly Overview ]

11 - Throttle Valve Control Module -J338- => [ Intake Manifold Assembly Overview ]
The Throttle Valve Control Module -J338- is
integrated with the following:
• Throttle Drive (for Electronic Power Control (EPC)) -G186-

• Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC) -G187-

• Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC) -G188-


12 - Connectors for Heated Oxygen Sensors

3.2L BUB and CBRA continued





13 - Mass Air Flow (MAF) Sensor -G70- and Intake Air Temperature (IAT) Sensor -G42- => [ Mass Air Flow (MAF) Sensor and Intake Air Temperature (IAT) Sensor ]
• Intake Air Temperature (IAT) Sensor -G42- is integrated with the MAF sensor

15 - Throttle Position (TP) Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- => [ Accelerator Pedal Module ] Accelerator Pedal Module

17 - Secondary Air Injection Sensor 1 -G609- => [ Secondary Air Injection System Components Assembly Overview ]

21 - Camshaft Position (CMP) Sensor 2 -G163- => [ Cylinder Head and Cover Assembly Overview ]

22 - Camshaft Adjustment Valve 1 (exhaust) -N318- => [ Cylinder Head and Cover Assembly Overview ]

23 - Camshaft Adjustment Valve 1 -N205- => [ Cylinder Head and Cover Assembly Overview ]

24 - Camshaft Position (CMP) Sensor -G40- => [ Cylinder Head and Cover Assembly Overview ]

25 - Engine Coolant Temperature (ECT) Sensor -G62- => [ Engine Coolant Temperature (ECT) Sensor ]

26 - Engine Speed (RPM) Sensor -G28- => [ Cylinder Block and Components Assembly Overview ]

27 - Actuator for Intake manifold change-over

28 - Secondary Air Injection (AIR) Pump Motor -V101- => [ Secondary Air Injection System Components Assembly Overview ]



Cylinder Block and Components Assembly Overview







7 - Knock Sensor 1 -G61-

15 - Knock Sensor 2 -G66-

22 - Oil Level Thermal Sensor -G266-

29 - Engine Speed (RPM) Sensor -G28-



Evaporative Emission (EVAP) Canister Purge Regulator Valve 1







17 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80-



Intake Manifold Assembly Overview







1 - Intake Manifold
• With vacuum reservoir

3 - Positive Crankcase Ventilation (PCV) Heating Element -N79-

16 - Exhaust Flap Valve 1 -N321-

17 - Throttle Valve Control Module -J338-
• Integrated with the throttle drive (for Electronic Power Control (EPC)), throttle drive angle sensor 1 (for EPC) and throttle drive angle sensor 2 (for EPC).

21 - Intake Manifold Tuning (IMT) Valve -N156-



EVAP System Assembly Overview







4 - Evaporative Emission (EVAP) Canister
• Located at the bottom of the spare tire wheelwell

14 - Leak Detection Pump (LDP) -V144-
• Located under the right rear wheel housing liner in the wheel housing



Mass Air Flow (MAF) Sensor and Intake Air Temperature (IAT) Sensor







4 - Mass Air Flow (MAF) Sensor -G70- and Intake Air Temperature (IAT) Sensor -G42- - integrated



Secondary Air Injection System Components Assembly Overview







1 - Secondary Air Injection (AIR) Solenoid Valve -N112-

11 - Secondary Air Injection (AIR) Solenoid Valve 2 -N320-

15 - Secondary Air Injection Sensor 1 -G609-

21 - Secondary Air Injection (AIR) Pump Motor -V101-



Cylinder Head and Cover Assembly Overview







11 - Camshaft Adjustment Valve 1 -N205-

12 - Camshaft Adjustment Valve 1 (exhaust) -N318-

14 - Camshaft Position (CMP) Sensor 2 -G163-

21 - Camshaft Position (CMP) Sensor -G40-



Oil Pressure Switch







2 - Oil Pressure Switch -F1-



Engine Coolant Temperature (ECT) Sensor







10 - Engine Coolant Temperature (ECT) Sensor -G62-



Ignition Coil







1 - Ignition Coils
• Ignition Coil 1 with Power Output Stage -N70-

• Ignition Coil 2 with Power Output Stage -N127-

• Ignition Coil 3 with Power Output Stage -N291-

• Ignition Coil 4 with Power Output Stage -N292-

• Ignition Coil 5 with Power Output Stage -N323-

• Ignition Coil 6 with Power Output Stage -N324-




Battery Interrupt Igniter







3 - Battery Interrupt Igniter -N253-
- Located in luggage compartment right side


Fuel Injectors







4 - Cylinder 6 Fuel Injector -N84-
Cylinder 6 Fuel Injector -N84- is similarly
located with the following:
• Cylinder 1 Fuel Injector -N30-

• Cylinder 2 Fuel Injector -N31-

• Cylinder 3 Fuel Injector -N32-

• Cylinder 4 Fuel Injector -N33-

• Cylinder 5 Fuel Injector -N83-