Powertrain Management: Locations

Engine Controls Component Views

Front of Engine (Except L66)




1 - Powertrain Control Module (PCM)
2 - Transmission Control Module (TCM)
3 - Crankshaft Position (CKP) Sensor
4 - Engine Oil Pressure (EOP) Switch
5 - Knock Sensor
6 - Starter
7 - A/C Compressor Clutch
8 - Starter Generator

Top of Engine




1 - Mass Air Flow (MAF) Sensor
2 - Camshaft Position (CMP) Actuator Solenoid - Intake
3 - Camshaft Position (CMP) Actuator Solenoid - Exhaust
4 - Ignition Coil Module 1
5 - Ignition Coil Module 2
6 - Ignition Coil Module 3
7 - Ignition Coil Module 4
8 - Throttle Actuator Control (TAC) Module
9 - Fuel Injector 4
10 - Fuel Injector 3
11 - Fuel Injector 2
12 - Fuel Injector 1

Rear of Engine




1 - Evaporative Emissions (EVAP) Canister Purge Solenoid
2 - Vehicle Speed Sensor (VSS)
3 - Heated Oxygen Sensor (HO2S) 2
4 - Heated Oxygen Sensor (HO2S) 1
5 - Park/Neutral Position (PNP) Switch
6 - Engine Coolant Temperature (ECT) Sensor
7 - G107

Left Rear of Engine Compartment (LAT)




1 - C123 Engine Harness to Body Harness
2 - Transmission Control Module (TCM)
3 - Engine Control Module (ECM)
4 - Auxiliary Fuse Block - Underhood
5 - C110 Engine Harness to Forward Lamp Harness
6 - Fuse Block - Underhood
7 - Forward Lamp Harness
8 - C121 Body Harness to Forward Lamp Harness
9 - Body Harness

Lower Left Side of I/P




1 - Cruise Release Switch
2 - Stop Lamp Switch
3 - Accelerator Pedal Position (APP) Sensor
4 - Clutch Start Switch (M/T)

Fuel Tank Components




1 - Wheel Well - RR
2 - Fuel Tank Pressure (FTP) Sensor
3 - Fuel Pump and Sender Assembly - Primary
4 - Fuel Tank
5 - Fuel Pump and Sender Assembly - Secondary
6 - Evaporative Emissions (EVAP) Canister Vent Solenoid