Powertrain Management: Locations

Engine Controls Component Views

Left Front Corner of the Engine Compartment




1 - Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor
2 - Powertrain Control Module (PCM), Under the Air Cleaner Assembly

Rear of the Engine (L37/LD8)




1 - Throttle Body Assembly
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Valve Cover
4 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
5 - Engine Coolant Temperature (ECT) Sensor
6 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Rear of Engine Compartment, on the Top Rear of the Engine




1 - Secondary Air Injection (AIR) Check Valve

EVAP Purge Solenoid, and EGR Valve




1 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2 - Exhaust Gas Recirculation (EGR) Valve

Front of the Engine (L37/LD8)




1 - Valve Cover
2 - Ignition Coil/Module 2
3 - Ignition Coil/Module 4
4 - Ignition Coil/Module 6
5 - Ignition Coil/Module 8
6 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
7 - Engine Oil Pressure (EOP) Switch

Top of the Engine (L37/LD8)

Top of the Engine:

1 - Starter
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Throttle Body Assembly
4 - Fuel Injector 8
5 - Ignition Coil/Module 8
6 - Fuel Injector 6
7 - Ignition Coil/Module 6
8 - Knock Sensor (KS) 2
9 - Fuel Injector 4
10 - Ignition Coil/Module 4
11 - Ignition Coil/Module 2
12 - Fuel Injector 2
13 - Crankshaft Position (CKP) Sensor
14 - Knock Sensor (KS) 1
15 - Camshaft Position (CMP) Sensor
16 - Ignition Coil/Module 1
17 - Ignition Coil/Module 3
18 - Fuel Injector 1
19 - Ignition Coil/Module 5
20 - Fuel Injector 3
21 - Ignition Coil/Module 7
22 - Fuel Injector 5
23 - Fuel Injector 7

Left Side of Engine Compartment




1 - Air Cleaner-Filter
2 - Engine Control Module (ECM)
3 - Windshield

Secondary Air Injection (AIR) Pump




1 - Secondary Air Injection (AIR) Pump

HO2S Bank 1 Sensor 2 (Post HO2)




1 - HO2S Bank 1 Sensor 2 (Post HO2)

Fuel Tank Components




1 - Fuel Tank
2 - Fuel Pump and Sender Assembly
3 - Fuel Sender Connector
4 - Evaporative Emission (EVAP) Canister
5 - Evaporative Emission (EVAP) Canister Vent Solenoid Valve

Lower Left Side of I/P

Lower Left Side of I/P:

1 - Park Brake Switch
2 - Instrument Cluster
3 - Brake Pedal Position Sensor
4 - Accelerator Pedal Position (APP) Sensor