Operation CHARM: Car repair manuals for everyone.

Powertrain Management: Locations



Engine Controls Component Views

Front of Engine - LZ4




1 - Transmission Control Module (TCM)
2 - C100
3 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
4 - C130

Left Side of Engine-LZ4




1 - G106
2 - Park / Neutral Position (PNP) Switch
3 - Fuse Block - Underhood
4 - C108
5 - Engine Control Module (ECM)
6 - C103
7 - G105

Left Rear of Engine Compartment




1 - Coolant Level Switch
2 - Battery
3 - Electronic Brake Control Module (EBCM)
4 - C101
5 - G103
6 - Fuse Block - Underhood

Lower Left Front of Engine




1 - Engine Oil Pressure (EOP) Sensor
2 - Starter
3 - Starter Solenoid
4 - Knock Sensor (KS) 2

Top View of Engine-LZ4




1 - Fuel Injector 6
2 - Fuel Injector 5
3 - Fuel Injector 4
4 - Camshaft Position (CMP) Sensor
5 - Fuel Injector 1
6 - Fuel Injector 2
7 - Fuel Injector 3

Top of Engine




1 - Fuel Injector 1
2 - Fuel Injector 3
3 - Fuel Injector 5
4 - Fuel Rail
5 - Fuel Injector 6
6 - Fuel Injector 4
7 - Fuel Injector 2

Left Rear of Engine




1 - G105
2 - Park Neutral Position (PNP) Switch

Front View of Engine-LZ4




1 - MAF / IAT Sensor
2 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3 - Throttle Actuator Control (TAC) Module
4 - Fuse Block - Underhood
5 - Engine Control Module (ECM)
6 - Transmission Control Module (TCM)
7 - C100
8 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
9 - Starter
10 - Engine Oil Pressure (EOP) Sensor
11 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
12 - Knock Sensor 2

Rear View of Engine-LZ4




1 - MAP Sensor
2 - Ignition Control Module (ICM)
3 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4 - Knock Sensor 1
5 - Engine Coolant Temperature (ECT) Sensor
6 - Crankshaft Position (CKP) Sensor
7 - Vehicle Speed Sensor (VSS)
8 - Engine Oil Level Sensor
9 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
10 - Park / Neutral Position (PNP) Switch

Below the Left Side of the I/P




1 - Brake Pedal Position Sensor
2 - Accelerator Pedal Position (APP) Sensor
3 - Accelerator Pedal
4 - Brake Pedal

Behind the Catalytic Convertors




1 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
2 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Under Right Rear of Vehicle




1 - Evaporative Emission (EVAP) Canister
2 - Evaporative Emission (EVAP) Canister Vent Solenoid Valve
3 - Fuel Tank Filler Neck

Top of Fuel Tank




1 - Fuel Tank Pressure (FTP) Sensor, Connector
2 - Fuel Pump and Sender Assembly
3 - Fuel Pump and Sender Assembly Connector
4 - Fuel Tank