ENGINE PERFORMANCE – Buick Riviera 1995 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 3) for Buick Riviera 1995

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 3) for Buick Riviera 1995:

• (behind right side of instrument
• (below left
• (below left i/p)
• (below washer
• (lower rear of engine)
• (lower right rear of engine)
• (right front of engine)
• 4000 pulses/mi vss out
• 5 volt ref
• 87a
• A/c clutch relay ctrl
• A/c head press. switch
• A/c request in
• A/c system
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Abs system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Battery
• Bypass ctrl
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Cam signal ref in
• Chime fuse 10a
• Cluster
• Computer data lines
• Conn c1
• Conn c2
• Cool fan rly ctrl-hi spd
• Cool fan rly ctrl-lo spd
• Coolant fan relays
• Crank signal in
• Cruise brake in
• Cruise control system (multi-function lever)
• Cruise on in
• Cruise/shift interlock sw
• D nca
• D10
• D11
• D12
• D13
• D15
• D16
• Data link connector
• Delivered torque out
• Desired torque in
• Egr fuse 10a
• Egr solenoid ctrl
• Est ctrl out
• F/pmp fuse 20a
• F15
• Fluid reservoir)
• Fuel injector #1 ctrl
• Fuel injector #2 ctrl
• Fuel injector #3 ctrl
• Fuel injector #4 ctrl
• Fuel injector #5 ctrl
• Fuel injector #6 ctrl
• Fuel pump
• Fuel pump (fuel tank unit)
• Fuel pump relay (position e) (rear relay center, below rear seat)
• Fuel pump relay ctrl
• G115
• G119
• G304
• Generator
• Generator control
• Grd
• Ground
• Hot at all times
• Hot in off, run or start
• Hot in run
• Hot in run or start
• I/p fuse block (left side of i/p)
• Idle air control (iac) motor (top left side of engine, front of air intake assembly)
• Idle air ctrl
• Ign
• Ignition
• Ignition switch
• Instrument
• Maf fuse 10a
• Maf output
• Maf sensor in
• Magna- steer module (left i/p)
• Malf. ind.
• Malfunction ind ctrl
• Mass air flow sensor (top left side of engine)
• Multi- function chime module (left i/p)
• Nca
• Oil
• Panel, near shroud)
• Passkey fuel enable
• Passkey ii decoder module
• Pcm fuse 10a
• Pcm/vats fuse 20a
• Pnk
• Pnk c
• Powertrain control module (pcm)
• Pressure
• Prime connector
• Rear fuse block (below rear seat)
• Rear seat)
• Red
• Ref hi in
• Ref lo in
• Resume/accel in
• Sensor return
• Set/coast in
• Switch
• Tan
• Tcc pwm solenoid ctrl
• Uart data line in/out
• Vehicle speed sensor (vss) (lower right rear of engine)
• Vin 1
• Vin k
• Vss in
• Vss in (hi)
• Vss in (lo)

3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 3) for Buick Riviera 1995

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 3) for Buick Riviera 1995:

• (behind right side of instrument
• (right front
• (top left
• (top right front of engine)
• 15a
• 5 volt ref
• Accy
• Boost
• Boost solenoid
• Buffer/ amplifier
• Bulb test
• Bypass switch
• Camshaft position sensor (lower right side of engine)
• Canister purge ctrl
• Conn c3
• Crankshaft position sensor (lower right side of engine)
• Cruise control servo
• Cruise fuse
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ect sensor in
• Egr signal in
• Emission canister
• Engine compt)
• Evaporative
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front knock sensor (lower front of engine)
• G103 (right side of engine compt)
• G119
• Grd
• Heated oxygen sensor (lower rear of engine)
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block (left side of i/p)
• Iat sensor in
• Ign
• Ignition coils
• Ignition control module
• Ignition switch
• Knock sensor in
• Linear exhaust gas recirculation valve (top left front of engine)
• Lock
• Nca
• Of engine
• Off
• Oxygen sensor in-hi
• Oxygen sensor in-lo
• P/n pos sw parity in
• Panel, near shroud)
• Park/neut pos sw a in
• Park/neut pos sw b in
• Park/neut pos sw c in
• Pnk
• Pnk p
• Powertrain control module (pcm)
• Purge
• Rear knock sensor (lower right rear of engine)
• Run
• Sensor feed
• Sensor ground
• Sensor return
• Servo pos sensor in
• Shift a solenoid ctrl
• Shift b solenoid ctrl
• Side of engine)
• Solenoid
• Solenoid (top left corner of
• Spark plugs
• Start
• Switches/amplifier
• Tachometer
• Tan
• Tcc brake in
• Tcc solenoid ctrl
• Tp sensor in
• Transmission temp in
• Vacuum solenoid ctrl
• Vent solenoid ctrl
• Vin 1 only
• Vin k only

3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 3) for Buick Riviera 1995

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 3) for Buick Riviera 1995:

• (vin 1)
• (vin k)
• (vin k-right side of engine)
• 10a
• 15a
• A tan
• Automatic transaxle
• Clng fan
• Engine coolant temp (ect) sensor (vin 1-top left side of engine)
• Fuel injectors
• Fuse
• G115 (lower rear of engine)
• G119 (right front of engine)
• Hot in run
• Hot in run, bulb test or start
• I/p fuse block (left side of i/p)
• Inj
• Intake air temp (iat) sensor (left side of engine compt)
• Park/neutral position switch (left side of transaxle)
• Pnk
• Shift a sol
• Shift b sol
• Tan
• Tcc ctrl sol
• Tcc pwm sol
• Tcc/anti-lock brake switch (behind left side of i/p, on brake pedal support)
• Throttle position (tp) sensor (top left side of engine)
• Trans temp sens

3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 3) for Buick Riviera 1995

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 3) for Buick Riviera 1995:

• (behind right side of instrument
• (below left
• (below left i/p)
• (below washer
• (lower rear of engine)
• (lower right rear of engine)
• (right front of engine)
• 4000 pulses/mi vss out
• 5 volt ref
• 87a
• A/c clutch relay ctrl
• A/c head press. switch
• A/c request in
• A/c system
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Abs system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Battery
• Bypass ctrl
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Cam signal ref in
• Chime fuse 10a
• Cluster
• Computer data lines
• Conn c1
• Conn c2
• Cool fan rly ctrl-hi spd
• Cool fan rly ctrl-lo spd
• Coolant fan relays
• Crank signal in
• Cruise brake in
• Cruise control system (multi-function lever)
• Cruise on in
• Cruise/shift interlock sw
• D nca
• D10
• D11
• D12
• D13
• D15
• D16
• Data link connector
• Delivered torque out
• Desired torque in
• Egr fuse 10a
• Egr solenoid ctrl
• Est ctrl out
• F/pmp fuse 20a
• F15
• Fluid reservoir)
• Fuel injector #1 ctrl
• Fuel injector #2 ctrl
• Fuel injector #3 ctrl
• Fuel injector #4 ctrl
• Fuel injector #5 ctrl
• Fuel injector #6 ctrl
• Fuel pump
• Fuel pump (fuel tank unit)
• Fuel pump relay (position e) (rear relay center, below rear seat)
• Fuel pump relay ctrl
• G115
• G119
• G304
• Generator
• Generator control
• Grd
• Ground
• Hot at all times
• Hot in off, run or start
• Hot in run
• Hot in run or start
• I/p fuse block (left side of i/p)
• Idle air control (iac) motor (top left side of engine, front of air intake assembly)
• Idle air ctrl
• Ign
• Ignition
• Ignition switch
• Instrument
• Maf fuse 10a
• Maf output
• Maf sensor in
• Magna- steer module (left i/p)
• Malf. ind.
• Malfunction ind ctrl
• Mass air flow sensor (top left side of engine)
• Multi- function chime module (left i/p)
• Nca
• Oil
• Panel, near shroud)
• Passkey fuel enable
• Passkey ii decoder module
• Pcm fuse 10a
• Pcm/vats fuse 20a
• Pnk
• Pnk c
• Powertrain control module (pcm)
• Pressure
• Prime connector
• Rear fuse block (below rear seat)
• Rear seat)
• Red
• Ref hi in
• Ref lo in
• Resume/accel in
• Sensor return
• Set/coast in
• Switch
• Tan
• Tcc pwm solenoid ctrl
• Uart data line in/out
• Vehicle speed sensor (vss) (lower right rear of engine)
• Vin 1
• Vin k
• Vss in
• Vss in (hi)
• Vss in (lo)

3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 3) for Buick Riviera 1995

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 3) for Buick Riviera 1995:

• (behind right side of instrument
• (right front
• (top left
• (top right front of engine)
• 15a
• 5 volt ref
• Accy
• Boost
• Boost solenoid
• Buffer/ amplifier
• Bulb test
• Bypass switch
• Camshaft position sensor (lower right side of engine)
• Canister purge ctrl
• Conn c3
• Crankshaft position sensor (lower right side of engine)
• Cruise control servo
• Cruise fuse
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ect sensor in
• Egr signal in
• Emission canister
• Engine compt)
• Evaporative
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front knock sensor (lower front of engine)
• G103 (right side of engine compt)
• G119
• Grd
• Heated oxygen sensor (lower rear of engine)
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block (left side of i/p)
• Iat sensor in
• Ign
• Ignition coils
• Ignition control module
• Ignition switch
• Knock sensor in
• Linear exhaust gas recirculation valve (top left front of engine)
• Lock
• Nca
• Of engine
• Off
• Oxygen sensor in-hi
• Oxygen sensor in-lo
• P/n pos sw parity in
• Panel, near shroud)
• Park/neut pos sw a in
• Park/neut pos sw b in
• Park/neut pos sw c in
• Pnk
• Pnk p
• Powertrain control module (pcm)
• Purge
• Rear knock sensor (lower right rear of engine)
• Run
• Sensor feed
• Sensor ground
• Sensor return
• Servo pos sensor in
• Shift a solenoid ctrl
• Shift b solenoid ctrl
• Side of engine)
• Solenoid
• Solenoid (top left corner of
• Spark plugs
• Start
• Switches/amplifier
• Tachometer
• Tan
• Tcc brake in
• Tcc solenoid ctrl
• Tp sensor in
• Transmission temp in
• Vacuum solenoid ctrl
• Vent solenoid ctrl
• Vin 1 only
• Vin k only

3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 3) for Buick Riviera 1995

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 3) for Buick Riviera 1995:

• (vin 1)
• (vin k)
• (vin k-right side of engine)
• 10a
• 15a
• A tan
• Automatic transaxle
• Clng fan
• Engine coolant temp (ect) sensor (vin 1-top left side of engine)
• Fuel injectors
• Fuse
• G115 (lower rear of engine)
• G119 (right front of engine)
• Hot in run
• Hot in run, bulb test or start
• I/p fuse block (left side of i/p)
• Inj
• Intake air temp (iat) sensor (left side of engine compt)
• Park/neutral position switch (left side of transaxle)
• Pnk
• Shift a sol
• Shift b sol
• Tan
• Tcc ctrl sol
• Tcc pwm sol
• Tcc/anti-lock brake switch (behind left side of i/p, on brake pedal support)
• Throttle position (tp) sensor (top left side of engine)
• Trans temp sens