GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Module Power, Ground, Serial Data, and MIL


Object Number: 1842963  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Engine Data Sensors - 5-Volt and Low Reference
Fuse Block I/P 1: Circuit Breakers 2 and 3
Engine Data Sensors - EGR Valve and Glow Plug Controls
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 2 of 2
Power, Ground, and Serial Data
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
Splice Packs and Modules - 1 of 2
G400 and G402 - 8 of 8
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference


Object Number: 1842976  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 1 of 2
Module Power, Ground, Serial Data, and MIL
Figure 3:

Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 1 of 2


Object Number: 1842978  Size: FS
Master Electrical Component List
Turbocharger System Description
Control Module References
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 2 of 2
Engine Data Sensors - 5-Volt and Low Reference
Engine Controls Schematic Icons
Engine Controls Schematic Icons
Engine Controls Schematic Icons
Figure 4:

Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 2 of 2


Object Number: 1842982  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Engine Data Sensors - Pedal Position
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 1 of 2
Module Power, Ground, Serial Data, and MIL
Fuel Controls - Suction Control Valve, Water-In-Fuel/Temperature Sensors
Figure 5:

Engine Data Sensors - Pedal Position


Object Number: 1842984  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Engine Data Sensors - VSS and Injection Timing Controls
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 2 of 2
Fuse Block 1: Fuse 5 and Fuse Block I/P 1: Circuit Breakers 5, 9 - 1 of 2, and 10
Fuse Block 1: Fuse 5 and Fuse Block I/P 1: Circuit Breakers 5, 9 - 1 of 2, and 10
Fuse Block 1: Fuse 5 and Fuse Block I/P 1: Circuit Breakers 5, 9 - 1 of 2, and 10
G400 and G402 - 3 of 8
Figure 6:

Engine Data Sensors - VSS and Injection Timing Controls


Object Number: 1842986  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Engine Data Sensors - EGR Valve and Glow Plug Controls
Engine Data Sensors - Pedal Position
Engine Controls Schematic Icons
Power, Ground, Serial Data, and Transmission Optional Connector
2007 MD560T Manual Transmission Schematics
AUX Relay, C100 (Upfitter AUX WRG Connector), C201 (Upfitter Connector), Engine Control Module (ECM) and Rear Compartment Lamp Provisions
Gages
Engine Controls Schematic Icons
Engine Controls Schematic Icons
Engine Controls Schematic Icons
Engine Controls Schematic Icons
Figure 7:

Engine Data Sensors - EGR Valve and Glow Plug Controls


Object Number: 1842988  Size: FS
Master Electrical Component List
Glow Plug System Description
Control Module References
Fuel Controls - Suction Control Valve, Water-In-Fuel/Temperature Sensors
Engine Data Sensors - VSS and Injection Timing Controls
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Driver Information Center (DIC)
Module Power, Ground, Serial Data, and MIL
Battery Supply and B+ Bus
Figure 8:

Fuel Controls - Suction Control Valve, Water-In-Fuel/Temperature Sensors


Object Number: 1842991  Size: FS
Master Electrical Component List
Fuel System Description
Control Module References
Fuel Controls - Fuel Injectors
Engine Data Sensors - EGR Valve and Glow Plug Controls
Engine Data Sensors - Pressure, Temperature, and Turbocharger Controls - 2 of 2
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Block 1: Fuses 3 and 4, and Fuse Block I/P Circuit Breakers 12 and 13, and HYDROMAX Fuse
Driver Information Center (DIC)
Gages
G100, G101, G102, G107, G114, G208, G209, G210, G214, G400 and G402 - 1 of 8, G501, G502, G601, and G602
G400 and G402 - 4 of 8
Figure 9:

Fuel Controls - Fuel Injectors


Object Number: 1843003  Size: FS
Master Electrical Component List
Fuel System Description
Control Module References
Controlled/Monitored Subsystem References
Fuel Controls - Suction Control Valve, Water-In-Fuel/Temperature Sensors
Engine Controls Schematic Icons
Engine Controls Schematic Icons
Figure 10:

Controlled/Monitored Subsystem References


Object Number: 1843005  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Fuel Controls - Fuel Injectors
Connectors C106, C120, C209, and Engine Control Module (ECM)
Cruise Control Schematics
2007 MD560T Manual Transmission Schematics
Starting
Charging
Indicators and Illumination
Gages
Connector C104, Engine Control Module (ECM) PTO Relay, Turn Signal Multifunction and PTO Switches
Connectors C106, C120, C209, and Engine Control Module (ECM)
Connector C104, Engine Control Module (ECM) PTO Relay, Turn Signal Multifunction and PTO Switches
2007 MD560T Engine Cooling Schematics
Gages
2007 MD560T Exhaust System Schematics
Brake Warning Indicators
Stop Lamps
Backup Lamps and Backup Alarm (UZF)
2007 MD560T Two-Speed Rear Axle Schematics