TRANSMISSION – Cadillac STS 2007 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

3.6L VIN 7

3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac STS 2007

List of elements for 3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac STS 2007:

• (3.6l: in engine harness, 387 cm from c102) (4.6l: in engine harness, 24 cm from c102)
• (4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover) engine control module (ecm)
• (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
• 1-2 shift sol valve
• 1-2 shift solenoid valve
• 2-3 shift sol valve
• 2-3 shift solenoid valve
• 3.6l
• 4-5 shift sol valve
• 4-5 shift solenoid valve
• 4.6l
• 751 (or 1551)
• A/t iss hi sig
• A/t iss low sig
• Automatic transmission
• Batt positive volt
• Brake switch sig
• Computer data lines system
• Data wake up
• Ecm/ tcm fuse 10a
• Exterior lights system
• G100 (on rear side of right cylinder head)
• G104 (on right front frame rail, near bumper bracket)
• G113 (front center of right front cylinder head)
• Ground
• Hi spd gmlan bus +
• Hi spd gmlan bus -
• Hi spd ser data +
• Hi spd ser data -
• Hot at all times
• Hot in run or start
• Ign 1 volt
• Low ref
• Oss hi sig
• Oss low sig
• Park/neutral sig
• Pc sol valve hi ctrl
• Pc sol valve low ctrl
• Pnk
• Power distribution system
• Pressure control (pc) solenoid valve
• R43
• R44
• R45
• R46
• Run/ crank relay
• S106 (in engine harness, 20 cm from tcm connector)
• S113
• S147
• Tan
• Tap up/dwn sw sig
• Tcc brk sw sig
• Tcc/pwm sol ctrl
• Tcm/ ipc fuse 15a
• Tft sens sig
• Torque converter clutch (tcc) pwm solenoid valve
• Transmission control module (tcm) (connector: right front corner of engine compartment, on underhood fuse block)
• Transmission fluid temperature (tft) sensor
• Trs a
• Trs b
• Trs c
• Trs p
• Underhood fuse block (right front side of engine compt)

3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac STS 2007

List of elements for 3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac STS 2007:

• 3.6l
• 4.6l
• Automatic transmission
• Automatic transmission input shaft speed sensor
• Automatic transmission output shaft speed sensor
• Automatic transmission shift lever assembly
• D red
• Data wake up
• Enable switch
• G100 (on rear side of right cylinder head)
• G113 (front center of right front cylinder head)
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Hot at all times
• Hot in run or start
• Ign 3 fuse 10a
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Left rear fuse block (under left side of rear seat)
• R21
• R22
• R23
• R25
• Run relay
• S106 (in engine harness, 20 cm from tcm connector)
• Tap down -
• Tap up +
• Tap up/ tap down trans enable switch
• Tap up/tap down switch
• Transmission manual shift shaft switch assembly

4.4L VIN D

4.4L VIN D, A/T Wiring Diagram for Cadillac STS 2007

List of elements for 4.4L VIN D, A/T Wiring Diagram for Cadillac STS 2007:

• (on rear side of right cylinder head) g100
• Automatic transmission
• Automatic transmission shift lever assembly
• B12
• Battery positive volt
• Center high mounted stop lamp (chmsl)
• Control module (ebcm) (on right front corner of engine compt, behind right front wheel)
• Ecm/ tcm fuse 10a
• Ecm/tcm serial data
• Electronic brake
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• G104 (on right front frame rail, near bumper bracket)
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hi speed gmlan +
• Hi speed gmlan -
• Hot at all times
• Hot in run or start
• Ign 1 volt
• Ign 3 fuse 10a
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Left rear fuse block (under left side of rear seat)
• Park/neutral sig
• Pnk
• R21
• R22
• R23
• R25
• R40
• R43
• R44
• R45
• R46
• Right rear fuse block (under right side of rear seat)
• Run relay
• Run/ crank relay
• S113 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
• S147
• Stop lamp relay
• Stop lamp sw sig
• Tan
• Tap down -
• Tap up +
• Tap up/ tap down trans enable switch
• Tap up/tap down sig
• Tap up/tap down sw
• Tap up/tap down switch
• Tcm/ ipc fuse 15a
• Transmission control module (tcm)
• Underhood fuse block (right front side of engine compt)

4.6L VIN A

4.6L VIN A, A/T Wiring Diagram (1 of 2) for Cadillac STS 2007

List of elements for 4.6L VIN A, A/T Wiring Diagram (1 of 2) for Cadillac STS 2007:

• (3.6l: in engine harness, 387 cm from c102) (4.6l: in engine harness, 24 cm from c102)
• (4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover) engine control module (ecm)
• (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
• 1-2 shift sol valve
• 1-2 shift solenoid valve
• 2-3 shift sol valve
• 2-3 shift solenoid valve
• 3.6l
• 4-5 shift sol valve
• 4-5 shift solenoid valve
• 4.6l
• 751 (or 1551)
• A/t iss hi sig
• A/t iss low sig
• Automatic transmission
• Batt positive volt
• Brake switch sig
• Computer data lines system
• Data wake up
• Ecm/ tcm fuse 10a
• Exterior lights system
• G100 (on rear side of right cylinder head)
• G104 (on right front frame rail, near bumper bracket)
• G113 (front center of right front cylinder head)
• Ground
• Hi spd gmlan bus +
• Hi spd gmlan bus -
• Hi spd ser data +
• Hi spd ser data -
• Hot at all times
• Hot in run or start
• Ign 1 volt
• Low ref
• Oss hi sig
• Oss low sig
• Park/neutral sig
• Pc sol valve hi ctrl
• Pc sol valve low ctrl
• Pnk
• Power distribution system
• Pressure control (pc) solenoid valve
• R43
• R44
• R45
• R46
• Run/ crank relay
• S106 (in engine harness, 20 cm from tcm connector)
• S113
• S147
• Tan
• Tap up/dwn sw sig
• Tcc brk sw sig
• Tcc/pwm sol ctrl
• Tcm/ ipc fuse 15a
• Tft sens sig
• Torque converter clutch (tcc) pwm solenoid valve
• Transmission control module (tcm) (connector: right front corner of engine compartment, on underhood fuse block)
• Transmission fluid temperature (tft) sensor
• Trs a
• Trs b
• Trs c
• Trs p
• Underhood fuse block (right front side of engine compt)

4.6L VIN A, A/T Wiring Diagram (2 of 2) for Cadillac STS 2007

List of elements for 4.6L VIN A, A/T Wiring Diagram (2 of 2) for Cadillac STS 2007:

• 3.6l
• 4.6l
• Automatic transmission
• Automatic transmission input shaft speed sensor
• Automatic transmission output shaft speed sensor
• Automatic transmission shift lever assembly
• D red
• Data wake up
• Enable switch
• G100 (on rear side of right cylinder head)
• G113 (front center of right front cylinder head)
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Hot at all times
• Hot in run or start
• Ign 3 fuse 10a
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Left rear fuse block (under left side of rear seat)
• R21
• R22
• R23
• R25
• Run relay
• S106 (in engine harness, 20 cm from tcm connector)
• Tap down -
• Tap up +
• Tap up/ tap down trans enable switch
• Tap up/tap down switch
• Transmission manual shift shaft switch assembly