TRANSMISSION – Cadillac CTS 2005 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

2.8L VIN T

2.8L VIN T, A/T Wiring Diagram (1 of 2) for Cadillac CTS 2005

List of elements for 2.8L VIN T, A/T Wiring Diagram (1 of 2) for Cadillac CTS 2005:

• (approximately 17.5
• (partial) (under left side of dash)
• 1-2 shift sol
• 1-2 shift sol vlv
• 2-3 shift sol
• 2-3 shift sol vlv
• 4-5 shift sol
• 4-5 shift sol vlv
• A/t iss hi sig
• A/t iss lo sig
• Acc volt
• Anti-lock brakes system
• Automatic transmission
• Bas rly ctrl
• Battery
• Cm from c101)
• Data link connector
• Ecm/tcm fuse 10a
• G104 (on right body rail, near right headlamp)
• G132 (front of right cylinder head)
• Ground
• Hi spd gmlan +
• Hi spd gmlan -
• Hot at all times
• Hot in acc or run
• Hot in run or start
• Ign 1 relay
• Ign volt
• Oss sens high
• Oss sens low
• Pc sol vlv hi ctrl
• Pc sol vlv lo ctrl
• Pnk
• Power distribution system
• Pressure control solenoid
• R43
• R44
• R45
• R46
• S127
• S155
• Ser data (can) +
• Ser data (can) -
• Sol pwr feed
• Tan
• Tcc sol valve
• Tcc sol vlv ctrl
• Tcm/ ipc fuse 15a
• Tft sens lo ref
• Tft sens sig
• Theft fuse 7.5a
• Transmission control module (tcm) (at right front of engine compt)
• Transmission fluid temperature sensor
• Transmission input shaft speed sensor
• Transmission output shaft speed sensor
• Trs sig a
• Trs sig b
• Trs sig c
• Trs sig p
• Underhood fuse block (right front of engine compt)

2.8L VIN T, A/T Wiring Diagram (2 of 2) for Cadillac CTS 2005

List of elements for 2.8L VIN T, A/T Wiring Diagram (2 of 2) for Cadillac CTS 2005:

• A11
• A12
• A13
• A14
• Automatic transmission
• B12
• Dash integration module (under right side of dash, about right closeout/ insulator panel)
• E10
• Elec prndl fuse 10a
• Electronic brake control module (at right front corner of engine compt)
• Electronic prndl
• Engine control module (ecm) (front of right valve cover)
• G132 (front of right cylinder head)
• G201 (behind right kick panel)
• Hi spd gmlan +
• Hi spd gmlan -
• Hot when mini accessory relay energized
• Hvac control module (behind center of dash, below radio)
• Inflatable restraint sensing & diagnostic module (under center console)
• Instrument panel cluster
• P/n
• P/n sig
• Radio
• Rear integration module (under package shelf trim panel)
• S154 (in engine harness, approximately, 18 cm from tcm connector)
• S155 (approximately 17.5 cm from c101)
• Serial data
• Service transmission trans hot idle engine
• Splice pack sp200 (in right front of passenger compt, under dash, above steering column)
• Splice pack sp300 (in passenger compt, near left side of driver's seat)
• Splice pack sp303 (in passenger compt, near right rear fuse block)
• Transmission internal mode switch
• Trs sig a
• Trs sig b
• Trs sig c
• Trs sig p
• Underhood fuse block (right front of engine compt)

3.6L VIN 7

3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac CTS 2005

List of elements for 3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac CTS 2005:

• (approximately 17.5
• (partial) (under left side of dash)
• 1-2 shift sol
• 1-2 shift sol vlv
• 2-3 shift sol
• 2-3 shift sol vlv
• 4-5 shift sol
• 4-5 shift sol vlv
• A/t iss hi sig
• A/t iss lo sig
• Acc volt
• Anti-lock brakes system
• Automatic transmission
• Bas rly ctrl
• Battery
• Cm from c101)
• Data link connector
• Ecm/tcm fuse 10a
• G104 (on right body rail, near right headlamp)
• G132 (front of right cylinder head)
• Ground
• Hi spd gmlan +
• Hi spd gmlan -
• Hot at all times
• Hot in acc or run
• Hot in run or start
• Ign 1 relay
• Ign volt
• Oss sens high
• Oss sens low
• Pc sol vlv hi ctrl
• Pc sol vlv lo ctrl
• Pnk
• Power distribution system
• Pressure control solenoid
• R43
• R44
• R45
• R46
• S127
• S155
• Ser data (can) +
• Ser data (can) -
• Sol pwr feed
• Tan
• Tcc sol valve
• Tcc sol vlv ctrl
• Tcm/ ipc fuse 15a
• Tft sens lo ref
• Tft sens sig
• Theft fuse 7.5a
• Transmission control module (tcm) (at right front of engine compt)
• Transmission fluid temperature sensor
• Transmission input shaft speed sensor
• Transmission output shaft speed sensor
• Trs sig a
• Trs sig b
• Trs sig c
• Trs sig p
• Underhood fuse block (right front of engine compt)

3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac CTS 2005

List of elements for 3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac CTS 2005:

• A11
• A12
• A13
• A14
• Automatic transmission
• B12
• Dash integration module (under right side of dash, about right closeout/ insulator panel)
• E10
• Elec prndl fuse 10a
• Electronic brake control module (at right front corner of engine compt)
• Electronic prndl
• Engine control module (ecm) (front of right valve cover)
• G132 (front of right cylinder head)
• G201 (behind right kick panel)
• Hi spd gmlan +
• Hi spd gmlan -
• Hot when mini accessory relay energized
• Hvac control module (behind center of dash, below radio)
• Inflatable restraint sensing & diagnostic module (under center console)
• Instrument panel cluster
• P/n
• P/n sig
• Radio
• Rear integration module (under package shelf trim panel)
• S154 (in engine harness, approximately, 18 cm from tcm connector)
• S155 (approximately 17.5 cm from c101)
• Serial data
• Service transmission trans hot idle engine
• Splice pack sp200 (in right front of passenger compt, under dash, above steering column)
• Splice pack sp300 (in passenger compt, near left side of driver's seat)
• Splice pack sp303 (in passenger compt, near right rear fuse block)
• Transmission internal mode switch
• Trs sig a
• Trs sig b
• Trs sig c
• Trs sig p
• Underhood fuse block (right front of engine compt)

5.7L VIN S

5.7L VIN S, M/T Wiring Diagram for Cadillac CTS 2005

List of elements for 5.7L VIN S, M/T Wiring Diagram for Cadillac CTS 2005:

• +5v ref
• 5v ref
• Ccp switch
• Clutch pedal position switch (on clutch pedal bracket)
• Ecm fuse 15a
• G104 (on right body rail, near right headlamp)
• Hot at all times
• Hot in run or start
• Htr/vlv clutch fuse 10a
• Ign 1 relay
• Instrument panel cluster
• Logic
• Low ref
• Main relay
• Main rly ctrl
• Pnk
• Powertrain control module (pcm)
• R43
• R44
• R45
• R46
• R47
• R48
• R49
• R50
• R63
• R64
• R65
• R66
• Reverse lockout sol
• Reverse lockout solenoid (left rear of transmission)
• Skip shift ind
• Skip shift ind ctrl
• Skip shift sol ctrl
• Skip shift solenoid (left side of transmission)
• Splice pack sp200 (in right front of passenger compt, under dash, above steering column)
• Start rly coil volt
• Start rly ctrl
• Starte rly coil ctrl
• Starter fuse 30a
• Starter relay
• Starting/ charging system
• Tan
• Throttle actuator control module (right front of engine compt)
• Throttle position sensor
• Tps no1 sig
• Tps no2 sig
• Transmission fluid temperature sensor (in transmission)
• Uart ser data
• Under- hood fuse block (right front of engine compt)
• Vehicle speed sensor (vss) (on left rear of transmission)
• Vss sig hi
• Vss sig lo