GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2007
🢒
Sierra Denali
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Engine Controls Component Views
Figure
1:
Pedal Assemblies (JF4)
(1)
Electronic Adjustable Pedal Assembly (JF4)
(2)
Stop Lamp Switch
(3)
Accelerator Pedal Position (APP) Sensor
Figure
2:
Fuel Injectors
(1)
Fuel Injector 2
(2)
Fuel Injector 4
(3)
Fuel Injector 6
(4)
Fuel Injector 5
(5)
Fuel Injector 3
(6)
Fuel Injector 1
Figure
3:
Front of Engine Compartment
(1)
Battery Current Sensor
(2)
Mega Fuse
(3)
A/C Low Pressure Switch (C67/CJ2)
(4)
Fuse Block - Underhood
(5)
Engine Control Module (ECM)
(6)
A/C Refrigerant Pressure Sensor (C67/CJ2)
(7)
Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor
(8)
Battery - Right
Figure
4:
Left Side of Engine
(1)
Generator
(2)
Throttle Body
(3)
Transmission
(4)
Park/Neutral Position (PNP) Switch
(5)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
(6)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(7)
Knock Sensor (KS) - 1
(8)
Engine Coolant Temperature (ECT) Sensor
(9)
A/C Compressor Clutch (C67/CJ2)
Figure
5:
Right Side of Engine
(1)
Evaporative Emmision (EVAP) Canister Purge Solenoid Valve
(2)
Throttle Body
(3)
Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor
(4)
X112
(5)
G103
(6)
Crankshaft Position (CKP) Sensor
(7)
Knock Sensor (KS) - 2
(8)
Starter
(9)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(10)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
(11)
Vehicle Speed Sensor (VSS)
Figure
6:
Rear of the Engine
(1)
Central Sequential Fuel Injection (SFI) Module
(2)
Manifold Absolute Pressure (MAP) Sensor
(3)
G106
(4)
Engine Oil Pressure (EOP) Sensor
(5)
Ignition Control Module (ICM)
(6)
G107
Figure
7:
Near the Fuel Tank
(1)
Fuel Tank Pressure (FTP) Sensor (Gas)
(2)
Fuel Tank
(3)
Evaporative Emissions (EVAP) Canister
(4)
Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (- Diesel)
(5)
Electronic Brake Control Module (EBCM) (JL4/JF3/JF7/JH6/JH7)
(6)
Fuel Line Pressure Sensor (-LMG/LY6/LC9)
(7)
Chassis
(8)
Fuel Pump and Sender Assembly - Front (Gas)