GM Service Manual Online
For 1990-2009 cars only

Engine Controls Schematic References

Reference on Schematic

Section Number - Subsection Name

Power Distribution Cell 10

8 - Wiring Systems

Ground Distribution Cell 14

8 - Wiring Systems

Cigar Lighter Cell 19

8 - Wiring Systems

Automatic Transmission Cell 20

6 - Engine Controls

Camshaft Position Sensor Cell 20

6 - Engine Controls

Engine Controls Cell 20

6 - Engine Controls

Exhaust Gas Recirculation (EGR) Valve Cell 20

6 - Engine Controls

Fuel Level Sensor Cell 20

6 - Engine Controls

Fuel Tank Pressure Sensor Cell 20

6 - Engine Controls

Heated Oxygen Sensors Cell 20

6 - Engine Controls

Mass Air Flow Sensor (MAF) Cell 20

6 - Engine Controls

Sensor Ground Cell 20

6 - Engine Controls

Sensor 5 Volt Reference Cell 20

6 - Engine Controls

Cruise Control Module (CCM) Cell 34

8 - Cruise Control

Transfer Case Control Module (TCCM) Cell 38

4 - Transfer Case

Transfer Case Speed Sensor, Front Cell 38

4 - Transfer Case

Transfer Case Speed Sensor, Rear Cell 38

4 - Transfer Case

Electronic Brake Control Module (EBCM) Cell 44

5 - ABS Traction Control

Data Link Connector (DLC) Cell 50

8 - Wiring Systems

Body Control Module (BCM) Cell 51

8 - Body Control System

Instrument Cluster Cell 81

8 - Instrument Panel and Console

Brake Transmission Shift Interlock (BTSI) Cell 138

8 - Steering Wheel and Column -Tilt