GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Controls Schematics LX9

Figure 1:

Shift Solenoids, TCC, and TFT


Object Number: 1636892  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
ISS, Pressure Control, and VSS
Automatic Transmission Schematic Icons
Backup Lamps
B+ Bus
G102, G113 and G115
ABS, AIRBAG, CRUISE/SWTCH, HVAC/RPA/CRUISE, PCM IGN, and TRANS SOLS Fuses
Driver Inputs, Indicators
Engine Data Sensors - Throttle Actuator Controls
G102, G113 and G115
Data Link Connector (DLC) Schematics
Figure 2:

ISS, Pressure Control, and VSS


Object Number: 1636894  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Internal Mode Switch
Shift Solenoids, TCC, and TFT
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Figure 3:

Internal Mode Switch


Object Number: 1636895  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
ISS, Pressure Control, and VSS
Automatic Transmission Schematic Icons
G102, G113 and G115

Automatic Transmission Controls Schematics LZ9

Figure 1:

Ground, Power, Shift Solenoids, Stop Lamp Switch, TCC, and TFT


Object Number: 1636897  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Indicators, ISS, Pressure Control, Serial Data, and VSS
Automatic Transmission Schematic Icons
Stop/Turn Signal Lamps
Ignition Switch
Driver Inputs, Indicators
Engine Data Sensors - Pressure, Temperature, Extended Brake Travel, and VSS
Ignition Switch
B+ Bus
G102, G113 and G115
ABS, AIRBAG, CRUISE/SWTCH, HVAC/RPA/CRUISE, PCM IGN, and TRANS SOLS Fuses
ABS MOTOR, AC/DC INVRTR, AUX/PWR 12VDC, FRT WSW, and PCM ETC Fuses
G102, G113 and G115
ABS, AIRBAG, CRUISE/SWTCH, HVAC/RPA/CRUISE, PCM IGN, and TRANS SOLS Fuses
G102, G113 and G115
Figure 2:

Indicators, ISS, Pressure Control, Serial Data, and VSS


Object Number: 1636898  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Internal Mode Switch
Ground, Power, Shift Solenoids, Stop Lamp Switch, TCC, and TFT
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Data Link Connector (DLC) Schematics
Figure 3:

Internal Mode Switch


Object Number: 1636899  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Indicators, ISS, Pressure Control, Serial Data, and VSS
Automatic Transmission Schematic Icons
G102, G113 and G115