GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
HUMMER
🢒
2006
🢒
H3
🢒
Engine
🢒
Engine Controls - 3.5L (L52)
🢒 Engine Controls Component Views
Figure
1:
Engine Controls Components
(1)
Powertrain Control Module C1 (Body Harness)
(2)
Powertrain Control Module
(3)
Heated Oxygen Sensor (HO2S) 2
(4)
Fuse Block - Underhood
(5)
Engine Harness
(6)
Heated Oxygen Sensor (HO2S) 1
(7)
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(8)
Powertrain Control Module C3 (Engine Harness)
(9)
Powertrain Control Module C2 (Engine Harness)
Figure
2:
Engine Components - Right Side (L52)
(1)
Manifold Absolute Pressure (MAP) Sensor
(2)
Throttle Body
(3)
Ignition Coil 3
(4)
Ignition Coil 2
(5)
Ignition Coil 1
(6)
Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust
(7)
Engine Oil Pressure (EOP) Switch
(8)
Heated Oxygen Sensor (HO2S) 1
(9)
Engine Coolant Temperature (ECT) Sensor
(10)
Engine Coolant Temperature (ECT) Sensor Connector
(11)
C101 Fuel Injector Harness to Engine Harness
(12)
Ignition Coil 5
(13)
Ignition Coil 4
Figure
3:
Engine Components - Left Side (L52)
(1)
Evaporative Emission (EVAP) Canister Purge Soleniod Valve
(2)
Starter Solenoid
(3)
Knock Sensor (KS) Bank 2
(4)
Crankshaft Position (CKP) Sensor
(5)
G102
(6)
G103
(7)
Engine Block Heater
(8)
Camshaft Position (CMP) Sensor - Intake
(9)
Camshaft Position (CMP) Sensor - Exhaust
Figure
4:
Fuel Injectors
(1)
Fuel Injector 1
(2)
Fuel Injector 2
(3)
Fuel Injector 3
(4)
Fuel Injector 4
(5)
C101 Fuel Injector Harness to Engine Harness
(6)
Fuel Injector 5
Figure
5:
Lower Left Side of I/P
(1)
Clutch Start Switch (MA5)
(2)
Accelerator Pedal Position (APP) Sensor
(3)
Steering Wheel Position Sensor (JL4)
(4)
TCC Brake/Cruise Release Switch
(5)
Stop Lamp Switch
(6)
Park Brake Switch
(7)
Clutch Release Switch (MA5)
Figure
6:
Left Middle Side of Frame Rail
(1)
Fuel Tank Pressure (FTP) Sensor Connector
(2)
Fuel Pump and Sender Assembly
(3)
Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(4)
Chassis Harness
(5)
Fuel Tank
