GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 CTS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E 🢒 Automatic Transmission Controls Schematics
Figure 1:

Power, Ground, Serial Data, TCM and Internal Mode Switch (IMS)
Object Number: 1312073 Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Sensors, Solenoids, DIC and Electronic PRNDL
OBD II Symbol Description Notice
Underhood Fuse Block B+ Bus - 1 of 2
Underhood Fuse Block DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM and ABS Fuses
Ignition Switch - 2 of 2
Underhood Fuse Block STARTER and IGN 1 Relays, HTR VLV/CLTCH and TCM/IPC Fuses
BPP Sensor, Switches and Indicators - 2.6L/3.2L/3.6L (LY9/LA3/LY7)
Power, Ground, GMLAN Bus and Keyword 2000 Bus
Automatic Transmission Schematic Icons
Power, Ground, GMLAN Bus and Keyword 2000 Bus
G100 and G107 - 2.6L/3.2L (LY9/LA3)
G130, G131, G132 and G133 - 3.6L (LY7)
G100 and G107 - 2.6L/3.2L (LY9/LA3)
G130, G131, G132 and G133 - 3.6L (LY7)
Figure 2:

Sensors, Solenoids, DIC and Electronic PRNDL
Object Number: 1312076 Size: FS
Master Electrical Component List
Electronic Component Description
Power, Ground, Serial Data, TCM and Internal Mode Switch (IMS)
OBD II Symbol Description Notice
Power, Ground, GMLAN Bus and Keyword 2000 Bus
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Class 2 Serial Data Bus - LHD - 1 of 2
BPP Sensor, Switches and Indicators - 2.6L/3.2L/3.6L (LY9/LA3/LY7)
Underhood Fuse Block Headlamp Fuses/Relays, ACCESSORY Relay, I/P OUTLET, OUTLET, WPR MOD, WPR SW and ELEC PRNDL Fuses
G201