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

Cell 21: Power, Ground, MIL, and DLC


Object Number: 190664  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: Ignition Controls
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 2:

Cell 21: Ignition Controls


Object Number: 190665  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: Fuel Controls
Cell 21: Power, Ground, MIL, and DLC
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 3:

Cell 21: Fuel Controls


Object Number: 190666  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: Fuel Injectors
Cell 21: Ignition Controls
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 4:

Cell 21: Fuel Injectors


Object Number: 190668  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: Engine Data Sensors
Cell 21: Fuel Controls
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 5:

Cell 21: Engine Data Sensors


Object Number: 190669  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: EVAP and EGR Controls
Cell 21: Fuel Injectors
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 6:

Cell 21: EVAP and EGR Controls


Object Number: 190670  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: Oxygen Sensors
Cell 21: Engine Data Sensors
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 7:

Cell 21: Oxygen Sensors


Object Number: 190672  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: IAC Valve, Generator, TR, and Oil Switches
Cell 21: EVAP and EGR Controls
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 8:

Cell 21: IAC Valve, Generator, TR, and Oil Switches


Object Number: 190673  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: VSS and Cruise Control
Cell 21: Oxygen Sensors
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 9:

Cell 21: VSS and Cruise Control


Object Number: 190674  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Transaxle Controls (Solenoids)
Cell 21: IAC Valve, Generator, TR, and Oil Switches
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 10:

Transaxle Controls (Solenoids)


Object Number: 190676  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: Transaxle Controls (Switches)
Cell 21: VSS and Cruise Control
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 11:

Cell 21: Transaxle Controls (Switches)


Object Number: 190677  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: A/C Controls
Transaxle Controls (Solenoids)
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 12:

Cell 21: A/C Controls


Object Number: 190678  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cooling Fan Controls
Cell 21: Transaxle Controls (Switches)
OBDII Symbol Description Notice
Figure 13:

Cooling Fan Controls


Object Number: 190680  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cell 21: A/C Controls
OBDII Symbol Description Notice