TRANSMISSION
3.6L VIN 7
3.6L VIN 7, Transmission Wiring Diagram for Buick LaCrosse Super 2008
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO List of elements for 3.6L VIN 7, Transmission Wiring Diagram for Buick LaCrosse Super 2008:
- (below left side of dash, left of steering column) body control module
- (in i/p wiring harness, behind right side of dash, 4 cm from breakout to rcdlr, towards ambient light sensor)
- 1-2 shift solenoid (ss) valve
- 1-2 sol vlv ctrl
- 10 volt ref
- 2-3 shift solenoid (ss) valve
- 2-3 sol vlv ctrl
- A red
- Automatic transmission
- Automatic transmission fluid pressure manual valve position switch
- Automatic transmission fluid temperature (tft) sensor
- Automatic transmission input shaft speed (iss) sensor
- Battery
- Brake pedal position sensor (under left side of dash, on right side of brake pedal)
- Code a
- Code b
- Code c
- Data link connector (under left side of dash)
- Engine control module (top of engine)
- G115 (mounted to bank 1 cylinder head above exhaust manifold)
- Gmlan serial data
- Ground
- Hot at all times
- Hot w/ ign 1 relay energized
- Ign 1
- Ign 3 voltage
- Iss high sig
- Iss low sig
- J115
- J116
- J201
- J202
- Low ref
- P/n
- P/n signal
- Parity
- Pc sol vlv ctrl
- Pc sol vlv hi ctrl
- Pnk
- Pressure control (pc) solenoid valve
- Red
- Serial data bus +
- Serial data bus -
- Serial data bus+
- Serial data bus-
- Stop lp sw
- Stop lp sw sig
- Sw sig
- Tan b
- Tcc pwm sol ctrl
- Tcc rel sw sig
- Tcc release switch
- Tcm fuse 8 15a
- Terminator resistor
- Tft sens sig
- Torque converter clutch (tcc) solenoid valve
- Trans range a
- Trans range b
- Trans range c
- Trans range p
- Trans sol fuse 21 10a
- Transmission control module (tcm) (inside air cleaner, left front of engine compartment)
- Transmission internal mode switch
- Underhood fuse block (mounted to right strut x1 tower)
- Vehicle speed sensor (vss) assembly (right side of transmission, near right axle shaft)
- Vss hi sig
- Vss low sig
3.8L VIN 2
3.8L VIN 2, Transmission Wiring Diagram for Buick LaCrosse Super 2008
List of elements for 3.8L VIN 2, Transmission Wiring Diagram for Buick LaCrosse Super 2008:
- (not used)
- (on top right of intake manifold)
- (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 1
- A/t fluid pressure (tfp) manual valve position
- A/t fluid temp- erature sensor
- A/t input shaft speed (iss) speed
- Acc
- At iss sig high
- At iss sig low
- Automatic transmission
- Automatic transmission internal mode switch (ims)
- Battery
- Code a
- Code b
- Code c
- Ect sensor sig
- Engine coolant temperature (ect) sensor
- G113 (lower left front of engine, on transmission stud, near starter)
- Ground
- Hot at all times
- Hot w/ ign 1 relay energized
- Ignition 1
- Ignition 3
- Ignition switch
- J101
- J115
- Lock
- Low ref
- Manifold absolute pressure (map) sensor (top right side of intake manifold)
- Map sensor sig
- Parity
- Pc sol high
- Pc sol low
- Pcm fuse 15 10a
- Pcm/ etc fuse 16 15a
- Pnk
- Powertrain control module (left side of engine compartment, near air cleaner assembly)
- Pressure control (ps) solenoid valve
- Red
- Red a
- Run
- Start
- Switch
- 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 sol fuse 21 10a
- Uart data
- Underhood fuse block (mounted to right strut tower)
- Vehicle speed sensor assembly (right side of transmission, near right axle shaft)
- Vss sig high
- Vss sig low
5.3L VIN C
5.3L VIN C, Transmission Wiring Diagram for Buick LaCrosse Super 2008
List of elements for 5.3L VIN C, Transmission Wiring Diagram for Buick LaCrosse Super 2008:
- 1-2 shift solenoid (ss) valve
- 1-2 sol vlv ctrl
- 10 volt ref
- 2-3 shift solenoid (ss) valve
- 2-3 sol vlv ctrl
- Acc
- Acc volt
- Automatic transmission
- Automatic transmission fluid temperature (tft) sensor
- Batt positive volt
- Body control module (bcm) (below left side of dash, left of steering column)
- Brake pedal position sensor (under left side of dash, on right side of brake pedal)
- Code a
- Code b
- Code c
- Computer data lines system
- Emc/tcm fuse 8 15a
- Engine control module (ecm) (left front of engine compt)
- G115
- Ground
- Hot at all times
- Hot w/ ignition main pcb relay energized
- Ign 1 volt
- Ign 3 voltage
- Ignition switch
- Iss high sig
- Iss low sig
- J115
- Lock
- Low ref
- P/n
- P/n signal
- Parity
- Pc sol vlv ctrl
- Pc sol vlv hi ctrl
- Pnk
- Pressure control (pc) solenoid valve
- Red
- Run
- Serial data bus+
- Serial data bus-
- Start
- Stop lp sw
- Stop lp sw sig
- Sw sig
- Tan
- Tcc pwm sol ctrl
- Tcc rel sw sig
- Tcc release switch
- Tft sens sig
- Torque converter clutch (tcc) solenoid valve
- Trans fuse 10a
- Trans range sig a
- Trans range sig b
- Trans range sig c
- Trans range sig p
- Transmission control module (tcm) (left front of engine compt)
- Transmission fluid pressure manual valve position switch
- Transmission input shaft speed (iss) sensor
- Transmission internal mode switch
- Underhood fuse block (mounted to right strut tower)
- Vehicle speed sensor (vss) assembly (right side of transmission, near right axle shaft)
- Vss hi sig
- Vss low sig