Operation CHARM: Car repair manuals for everyone.

Powertrain Management: Locations



Engine Controls Component Views

Front of Engine (L66)




1 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
2 - A/C High Pressure Switch (Incomplete)
3 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
4 - A/C Compressor Clutch (Incomplete)
5 - Generator Connector

Left Side of Engine (L66)




1 - Manifold Absolute Pressure (MAP) Sensor
2 - Fuse Block-Underhood C2
3 - Starter Relay
4 - G107
5 - Torque Converter Clutch (TCC) Pressure Control Solenoid Valve
6 - 4th Clutch Pressure Switch
7 - Clutch Pressure Control Solenoid Valve 1
8 - Clutch Pressure Control Solenoid Valve 2
9 - Transmission Fluid Temperature (TFT) Sensor
10 - 3rd Clutch Pressure Switch
11 - Transmission Output Shaft Speed Sensor
12 - Transmission Input Shaft Speed Sensor
13 - Park / Neutral Position (PNP) Switch
14 - C100 Engine Harness to Transmission Harness
15 - Engine Coolant Temperature (ECT) Sensor
16 - Exhaust Gas Recirculation (EGR) Valve
17 - Intake Air Temperature (IAT) Sensor 2

Top of Engine (L66)




1 - Fuel Injector 6
2 - Ignition Coil 6
3 - Fuel Injector 5
4 - Ignition Coil 5
5 - Ignition Coil 4
6 - Fuel Injector 4
7 - Camshaft Position (CMP) Sensor
8 - Knock Sensor (KS)
9 - G109
10 - Ignition Coil 1
11 - Fuel Injector 1
12 - Ignition Coil 2
13 - Fuel Injector 2
14 - Ignition Coil 3
15 - Fuel Injector 3

Rear Engine View (L66)




1 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2 - Splice Pack SP113
3 - C102
4 - Powertrain Control Module (PCM)
5 - Rocker Arm Oil Control Solenoid Pigtail Connector
6 - C103 (Crankshaft Position (CKP) Sensor Pigtail)
7 - Rocker Arm Oil Control Solenoid
8 - Engine Oil Pressure (EOP) Switch
9 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
10 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
11 - Splice Pack SP114

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

Right Rear of Engine Compartment (L66)




1 - Powertrain Control Module (PCM) (L66)