TRANSMISSION – Buick Lucerne CXL 2009 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

3.9L VIN 1

3.9L VIN 1, Transmission Wiring Diagram for Buick Lucerne CXL 2009

List of elements for 3.9L VIN 1, Transmission Wiring Diagram for Buick Lucerne CXL 2009:

• (lower left rear of engine) g112
• 1-2 shift solenoid (ss) valve
• 2-3 shift solenoid (ss) valve
• Acc
• Acc voltage
• Acc wakeup serial data x4
• Atf position switch
• Automatic transmission
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission input shaft speed (iss) sensor
• Automatic transmission internal mode switch (ims)
• Battery
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Driver information center (dic) display
• Ecm/tcm fuse 5 15a
• Engine control module (ecm) (left side of engine compt)
• Exterior lights system
• G112 (lower left rear of engine)
• Gmlan serial data
• Ground
• Hot at all times
• Hot w/ ign relay 36 energized
• Ign 1
• Ignition switch
• Instrument panel cluster (ipc)
• Iss high sig
• Iss low sig
• J100
• J104 (in engine harness, approximately 13 cm (5 in) from breakout for x138)
• J105
• J111
• J115
• J201
• Logic
• Low ref
• Nca
• Off
• P/n sig
• Pc sol hi ctrl
• Pc sol vlv ctrl
• Pnk
• Pressure control (pc) solenoid valve
• Rear fuse block (below left side of rear seat)
• Red
• Run
• Serial data
• Serial data bus+
• Serial data bus-
• Shift sol vlv a
• Shift sol vlv b
• Start
• Stop lamp sw sig
• Tan
• Tan b
• Tcc sol ctrl
• Tft sens sig
• Torque converter pulse width modulation(pwm) solenoid valve
• Trans ign 1 fuse 8 10a
• Trans range a
• Trans range b
• Trans range c
• Trans range p
• Transmission control module (tcm)
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle speed (vss) sensor (in transmission)
• Vss hi sig
• Vss low sig

3.9L VIN M

3.9L VIN M, Transmission Wiring Diagram for Buick Lucerne CXL 2009

List of elements for 3.9L VIN M, Transmission Wiring Diagram for Buick Lucerne CXL 2009:

• (lower left rear of engine) g112
• 1-2 shift solenoid (ss) valve
• 2-3 shift solenoid (ss) valve
• Acc
• Acc voltage
• Acc wakeup serial data x4
• Atf position switch
• Automatic transmission
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission input shaft speed (iss) sensor
• Automatic transmission internal mode switch (ims)
• Battery
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Driver information center (dic) display
• Ecm/tcm fuse 5 15a
• Engine control module (ecm) (left side of engine compt)
• Exterior lights system
• G112 (lower left rear of engine)
• Gmlan serial data
• Ground
• Hot at all times
• Hot w/ ign relay 36 energized
• Ign 1
• Ignition switch
• Instrument panel cluster (ipc)
• Iss high sig
• Iss low sig
• J100
• J104 (in engine harness, approximately 13 cm (5 in) from breakout for x138)
• J105
• J111
• J115
• J201
• Logic
• Low ref
• Nca
• Off
• P/n sig
• Pc sol hi ctrl
• Pc sol vlv ctrl
• Pnk
• Pressure control (pc) solenoid valve
• Rear fuse block (below left side of rear seat)
• Red
• Run
• Serial data
• Serial data bus+
• Serial data bus-
• Shift sol vlv a
• Shift sol vlv b
• Start
• Stop lamp sw sig
• Tan
• Tan b
• Tcc sol ctrl
• Tft sens sig
• Torque converter pulse width modulation(pwm) solenoid valve
• Trans ign 1 fuse 8 10a
• Trans range a
• Trans range b
• Trans range c
• Trans range p
• Transmission control module (tcm)
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle speed (vss) sensor (in transmission)
• Vss hi sig
• Vss low sig

4.6L VIN 9

4.6L VIN 9, Transmission Wiring Diagram for Buick Lucerne CXL 2009

List of elements for 4.6L VIN 9, Transmission Wiring Diagram for Buick Lucerne CXL 2009:

• (in engine harness, approximately 13 cm (5 in) from breakout for x138) j104
• (in transmission) vehicle speed sensor (vss)
• (right of glove box) body control module (bcm)
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• Acc
• Automatic transmission
• Automatic transmission input shaft speed (iss) sensor
• Battery
• Computer data lines system
• Ecm/tcm fuse 5 15a
• Engine control module (ecm) (left side of engine compartment)
• Exterior lights system
• G112 (lower left rear of engine)
• Gmlan serial data
• Ground
• Hot at all times
• Hot w/ ign relay 36 energized
• Ign 1
• Ignition switch
• Iss high sig
• Iss low sig
• J100
• J105
• J111
• J201
• Low ref
• Nca
• Off
• P/n signal
• Pc sol hi ctrl
• Pc sol vlv ctrl
• Pnk
• Pnk e
• Pnk u
• Pressure control (pc) solenoid valve
• Rear fuse block (below left side of rear seat)
• Run
• Serial data
• Serial data bus+
• Serial data bus-
• Shift sol vlv a
• Shift sol vlv b
• Start
• Stop lamp sw sig
• Tan
• Tan m
• Tcc sol ctrl
• Tft sens sig
• Torque converter clutch (tcc) solenoid valve
• Trans ign 1 fuse 8 10a
• Trans range a
• Trans range b
• Trans range c
• Trans range p
• Transmission control module (tcm) (left rear of engine compartment)
• Transmission fluid temperature (tft) sensor
• Transmission internal mode switch (ims)
• Underhood fuse block (on right front of engine compartment, forward of strut tower)
• Vss hi sig
• Vss low sig