GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Express
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Engine Controls Schematics
Figure
1:
Module Power, Ground, Serial Data and MIL
Figure
2:
Engine Data Sensors - 5-Volt and Low References (1 of 2)
Figure
3:
Engine Data Sensors - 5-Volt and Low References (2 of 2)
Figure
4:
Engine Data Sensors - Temperature, AI and MAF
Figure
5:
Engine Data Sensors - Pressure and WIF
Figure
6:
Engine Data Sensors - EGR and Turbocharger Controls
Figure
7:
Engine Data Sensors - Pedal Position and Injector Timing
Figure
8:
Engine Data Sensors - Glow Plug Controls and Intake Air Heater
Figure
9:
Fuel Controls - Fuel Pump, Temperature and Pressure Controls
Figure
10:
Fuel Controls - Fuel Injectors
Figure
11:
Controlled/Monitored Subsystem References