TRANSMISSION — Buick Lucerne Super 2008 — SYSTEM WIRING DIAGRAMS

TRANSMISSION

3.8L VIN 2

3.8L VIN 2, Transmission Wiring Diagram for Buick Lucerne Super 2008

List of elements for 3.8L VIN 2, Transmission Wiring Diagram for Buick Lucerne Super 2008:

• (left rear of engine)
• (lower left rear of engine) g112
• (not used)
• (throttle pos)
• 1-2 shift sol
• 1-2 shift solenoid (ss) valve
• 2-3 shift sol
• 2-3 shift solenoid (ss) valve
• 5 volt ref 2
• At iss sig high
• At iss sig low
• Automatic transmission
• Automatic transmission fluid pressure manual valve position switch
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission input shaft speed (iss) sensor
• Battery
• Code a
• Code b
• Code c
• Ecm/ tcm fuse 5 15a
• Ecm/pcm fuse 9 10a
• Ect sensor sig
• Engine coolant temperature (ect) sensor
• Exterior lights system
• Hot at all times
• Hot w/ ign relay 36 energized
• Ignition 1
• Low ref
• Manifold absolute pressure (map) sensor (on top front of engine)
• Map sensor sig
• P/n
• Parity
• Pc sol high
• Pc sol low
• Pnk
• Powertrain control module (left front of engine compt, inside air cleaner housing)
• Pressure control (pc) solenoid valve
• Rear fuse block (below left side of rear seat)
• Red a
• Red j115
• Stop lmp sw sig
• Tan
• Tan b
• Tcc sol
• Tcc sw sig
• Tft sensor sig
• Throttle actuator control (tac) module (on throttle body assembly)
• Torque converter clutch (tcc) solenoid valve
• Tr sig a
• Tr sig b
• Tr sig c
• Tr sig p
• Trans ign 1 fuse 8 10a
• Transmission internal mode switch (ims)
• Uart data
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle speed sensor (vss) (in transmission)
• Vss sig high
• Vss sig low

4.6L VIN 9

4.6L VIN 9, Transmission Wiring Diagram for Buick Lucerne Super 2008

List of elements for 4.6L VIN 9, Transmission Wiring Diagram for Buick Lucerne Super 2008:

• (in transmission) vehicle speed sensor (vss)
• (right of glove box) body control module (bcm)
• 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
• J104
• J105
• J111
• J201
• Low ref
• Nca
• Off
• Oss low sig
• P/n signal
• Pc sol hi ctrl
• Pc sol vlv ctrl
• Pnk
• Pressure control (pc) solenoid valve
• Rear fuse block (below left side of rear seat)
• Run
• Ser data
• Serial data
• Serial data bus+
• Serial data bus-
• Shift sol vlv a
• Shift sol vlv b
• Shift solenoid valve a
• Shift solenoid valve b
• Start
• Stop lamp sw sig
• Tan
• 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

4.6L VIN Y

4.6L VIN Y, Transmission Wiring Diagram for Buick Lucerne Super 2008

List of elements for 4.6L VIN Y, Transmission Wiring Diagram for Buick Lucerne Super 2008:

• (in transmission) vehicle speed sensor (vss)
• (right of glove box) body control module (bcm)
• 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
• J104
• J105
• J111
• J201
• Low ref
• Nca
• Off
• Oss low sig
• P/n signal
• Pc sol hi ctrl
• Pc sol vlv ctrl
• Pnk
• Pressure control (pc) solenoid valve
• Rear fuse block (below left side of rear seat)
• Run
• Ser data
• Serial data
• Serial data bus+
• Serial data bus-
• Shift sol vlv a
• Shift sol vlv b
• Shift solenoid valve a
• Shift solenoid valve b
• Start
• Stop lamp sw sig
• Tan
• 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