GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2004 🢒 ION 🢒 Transmission/Transaxle 🢒 Automatic Transmission - VT25-E 🢒 Automatic Transmission Controls Schematics
Figure 1:

Module Power, Ground, DLC, PNP Switch Signals, and Message Center Controls
Object Number: 1255341 Size: FS
Master Electrical Component List
Transmission Component and System Description
Ratio Control, Sensors, and Solenoids
OBD II Symbol Description Notice
Fuse Block - Underhood Fuses: IPBATT2 and RUN (IGN3) BCM Fuses: BCM Elect, Cluster, Fuel Pump, HVAC, IGN SW, and Stop
Traction Control, DLC, and Indicators
Fuse Block - Underhood Fuses: ABS, ABS1, ABS2, ECM, ECM/TCM, IGN, LH HDLP, Prem Audio, RH HDLP, Run/Crank
Fuse Block - Underhood Fuses: Backup, TRANS1, TRANS2
Stop Lamps - Early Production
Stop Lamp Switch
Stop Lamp Switch
Automatic Transmission Schematic Icons
Data Link Communication Schematics
G103 (2.2L), G105 (2.2L), G109
G103 (2.2L), G105 (2.2L), G109
Figure 2:

Ratio Control, Sensors, and Solenoids
Object Number: 1255342 Size: FS
Master Electrical Component List
Transmission Component and System Description
Module Power, Ground, DLC, PNP Switch Signals, and Message Center Controls
OBD II Symbol Description Notice
Fuse Block - Underhood Fuses: Backup, TRANS1, TRANS2
Automatic Transmission Schematic Icons