GM Service Manual Online
For 1990-2009 cars only

Engine Controls Schematics 3.8 Vin K

Figure 1:

Power, Ground, MIL, DLC


Object Number: 221471  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Ignition System, Knock Sensor
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 2:

Ignition System, Knock Sensor


Object Number: 221473  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Control
Power, Ground, MIL, DLC
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 3:

Fuel Control


Object Number: 221476  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Injectors
Ignition System, Knock Sensor
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 4:

Fuel Injectors


Object Number: 221479  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Indicator Lamps
Fuel Control
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 5:

Indicator Lamps


Object Number: 221481  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors-A/C Refrig Press, TP, MAP, ECT, IAT
Fuel Injectors
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 6:

Engine Data Sensors-A/C Refrig Press, TP, MAP, ECT, IAT


Object Number: 221483  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors-MAF, EVAP Vent, EVAP Purge, EGR
Indicator Lamps
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 7:

Engine Data Sensors-MAF, EVAP Vent, EVAP Purge, EGR


Object Number: 221492  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors-HO2S 1, HO2S 2
Engine Data Sensors-A/C Refrig Press, TP, MAP, ECT, IAT
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 8:

Engine Data Sensors-HO2S 1, HO2S 2


Object Number: 221496  Size: FS
Engine Controls Components
Information Sensors/Switches Description
IAC, Engine Oil Level, Engine Oil Pressure
Engine Data Sensors-MAF, EVAP Vent, EVAP Purge, EGR
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 9:

IAC, Engine Oil Level, Engine Oil Pressure


Object Number: 221498  Size: FS
Engine Controls Components
Information Sensors/Switches Description
VSS, Cruise
Engine Data Sensors-HO2S 1, HO2S 2
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 10:

VSS, Cruise


Object Number: 221569  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Automatic Transaxle
IAC, Engine Oil Level, Engine Oil Pressure
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 11:

Automatic Transaxle


Object Number: 221572  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Automatic Transaxle, TCC Switch
VSS, Cruise
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 12:

Automatic Transaxle, TCC Switch


Object Number: 221574  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Transaxle Range Switch
Automatic Transaxle
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 13:

Transaxle Range Switch


Object Number: 221576  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Compressor Controls
Automatic Transaxle, TCC Switch
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 14:

A/C Compressor Controls


Object Number: 221503  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Coolant Fans
Transaxle Range Switch
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 15:

Coolant Fans


Object Number: 221505  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Compressor Controls
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views

Engine Controls Schematics 3.8 Vin 1

Figure 1:

Power, Ground, MIL, DLC


Object Number: 221509  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Ignition System, Knock Sensor
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 2:

Ignition System, Knock Sensor


Object Number: 221510  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Control
Power, Ground, MIL, DLC
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 3:

Fuel Control


Object Number: 221514  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Control
Ignition System, Knock Sensor
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 4:

Fuel Control


Object Number: 221515  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Injectors
Fuel Control
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 5:

Fuel Injectors


Object Number: 221518  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Indicator Lamps
Fuel Control
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 6:

Indicator Lamps


Object Number: 221519  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors-A/C Refrig Press, TP, MAP, ECT, IAT
Fuel Injectors
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 7:

Engine Data Sensors-A/C Refrig Press, TP, MAP, ECT, IAT


Object Number: 221521  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors-MAF, EVAP Vent, EVAP Purge, EGR
Indicator Lamps
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 8:

Engine Data Sensors-MAF, EVAP Vent, EVAP Purge, EGR


Object Number: 221526  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors-HO2S 1, HO2S 2
Engine Data Sensors-A/C Refrig Press, TP, MAP, ECT, IAT
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 9:

Engine Data Sensors-HO2S 1, HO2S 2


Object Number: 221532  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Transaxle Range Switch
Engine Data Sensors-MAF, EVAP Vent, EVAP Purge, EGR
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 10:

Transaxle Range Switch


Object Number: 221541  Size: FS
Engine Controls Components
Information Sensors/Switches Description
IAC, Engine Oil Level, Engine Oil Pressure
Engine Data Sensors-HO2S 1, HO2S 2
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 11:

IAC, Engine Oil Level, Engine Oil Pressure


Object Number: 221545  Size: FS
Engine Controls Components
Information Sensors/Switches Description
VSS, Cruise
Transaxle Range Switch
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 12:

VSS, Cruise


Object Number: 221547  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Automatic Transaxle
IAC, Engine Oil Level, Engine Oil Pressure
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 13:

Automatic Transaxle


Object Number: 221552  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Automatic Transaxle, TCC Switch
VSS, Cruise
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 14:

Automatic Transaxle, TCC Switch


Object Number: 221554  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Compressor Controls
Automatic Transaxle
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 15:

A/C Compressor Controls


Object Number: 221556  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Coolant Fans
Automatic Transaxle, TCC Switch
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Figure 16:

Coolant Fans


Object Number: 221559  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Compressor Controls
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views