ENGINE PERFORMANCE — Buick Rainier 2004 — SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L VIN S

4.2L VIN S, Engine Performance Wiring Diagram (1 of 5) for Buick Rainier 2004

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (1 of 5) for Buick Rainier 2004:

• 4wd low sig
• 5 volt ref
• A/c compr rel
• A/c press sens
• Accelerator pedal position sensor (above accelerator pedal)
• Air conditioning system
• Air pump relay
• Anti lock brakes system
• App sens 1 sig
• App sens 2 sig
• B10
• Battery
• Body control module (bcm) (beneath left rear seat)
• Cc on sw input
• Cls 2 data
• Cool fan clutch
• Cooling fan sp
• Cooling fans system
• Crank voltage
• Cruise control system
• Data link connector (on bottom left side of dash)
• Eng spd sig out
• F14
• Fuel tank press
• Fuel tank pressure sensor (top left rear of fuel tank)
• Hot at all times
• Hot in accy, run or start
• Hot in run & start
• Iat sens sig
• Ign 0 fuse 47 10a
• Ign 0 input
• Ign 1 volt
• Ign e fuse 22 10a
• Instrument cluster system
• Instrument panel cluster
• Intake air temperature sensor (in air intake duct, top right of engine)
• Lo ref
• Low ref
• Malfunction indicator lamp
• Mil ctrl
• Pcm b fuse 10 20a
• Pnk
• Pnp sw input
• Powertrain control module (upper left side of engine)
• Prim fuel lvl
• Rear fuse block
• Res/acc sw
• S232 (i/p harn, near breakout to steering column)
• S239
• S320
• Set/cruise sw
• Sp205
• Starting/ charging system
• Stop lamp volt
• Strt enable rel
• Tan
• Tcc rel sw sig
• Tcc/brake switch (above brake pedal, on bracket)
• Theft deterrent control module (in steering column, on lock cylinder)
• Transmission controls (transfer case circuit)
• Underhood fuse block
• Vss
• Vss signal out
• W/ immob
• W/ immobilizer
• W/o immob
• W/o immobilizer

4.2L VIN S, Engine Performance Wiring Diagram (2 of 5) for Buick Rainier 2004

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (2 of 5) for Buick Rainier 2004:

• A11
• Air fuse 56 60a
• Air sol fuse 54 15a
• Air sol relay
• D11
• E11
• Eng i fuse 26 10a
• Engine oil pressure switch (right side of engine block)
• Evaporative emission canister purge solenoid (on throttle body)
• Evaporative emission canister vent solenoid (at rear of fuel tank)
• F/pmp relay
• Fuel pump/ & sender assembly (in fuel tank)
• G107 (lower left side of engine)
• G305 (on outside of left frame rail, near fuel tank)
• Hot at all times
• Hot in run & start
• Nca
• Pcm b fuse 10 20a
• Pnk
• Red
• Secondary air injection pump
• Secondary air injection pump relay
• Secondary air injection solenoid
• Under- hood fuse block
• Vehicle speed sensor (left rear of transfer case)

4.2L VIN S, Engine Performance Wiring Diagram (3 of 5) for Buick Rainier 2004

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (3 of 5) for Buick Rainier 2004:

• 1310
• (left rear of engine block) crankshaft position sensor
• 1-2 shift sol ctrl
• 2-3 shift sol ctrl
• 3-2 shift sol
• 5v ref
• Anti lock brakes system
• Cam pos sol hi
• Camshaft actuator solenoid assembly (right front of cylinder head)
• Ckp sens sig
• Deliv torque sig
• Ect sens sig
• Engine coolant temperature sensor (left front of engine block)
• Evap can prg ctl
• Evap can vent
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• G108 (lower left side of engine)
• Gfd cyc sig
• Ground powertrain control module (upper left side of engine)
• H02 hi sig b1 s2
• H02s hi sig b1 s1
• H02s lo sig b1 s2
• Heated oxygen sensor 1 (on exhaust manifold, right side of engine)
• Heated oxygen sensor 2 (downstream of catalytic converter)
• Ho2s htr lo b1 s1
• Ho2s htr lo b1 s2
• Ho2s lo sig b1 s1
• Hot in run & start
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Injectors
• Low ref
• Manifold absolute pressure sensor (upper left side of engine)
• Map sens sig
• Nca
• O2 fuse 29
• Oil pres sw sig
• Pc sol high ctrl
• Pc sol low ctrl
• Pcm i fuse 28 15a
• Pnk
• Powertrain control module (upper left side of engine)
• Prim fuel pmp rel
• Req torque sig
• S104
• Starting/ charging system
• Tan
• Tcc pwm sol
• Tcc sol vlv ctrl
• Trns rg sw sig a
• Under- hood fuse block
• Vss high sig
• Vss low signal

4.2L VIN S, Engine Performance Wiring Diagram (4 of 5) for Buick Rainier 2004

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (4 of 5) for Buick Rainier 2004:

• (lower left side of transmission) park/neutral position switch
• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 shift solenoid
• Automatic transmission
• Automatic transmission fluid
• C10
• Ctrl
• D10
• D2 sw
• D3 sw
• D4 sw
• E10
• F10
• G108 (lower left side of engine)
• G109 (lower left side of engine)
• Gnd
• Ign
• Ignition coils
• Lo sw
• Nca
• Pnk
• Pnk a
• Pressure control solenoid
• Red
• Rev sw
• Solenoid tcc pmw red
• Spark plug
• Tan
• Tcc solenoid red
• Temperature sensor
• Under- hood fuse block
• Under- hood junction block
• Valve

4.2L VIN S, Engine Performance Wiring Diagram (5 of 5) for Buick Rainier 2004

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (5 of 5) for Buick Rainier 2004:

• 839
• (not used)
• 12v ref
• 5v ref
• Air sol relay
• Camshaft position sensor (right front of cylinder head)
• Charging system
• Cooling fans system
• Cpm sens sig
• Damping l/d sig
• Gen turn on sig
• Hot in run & start
• Ign 1 voltage
• Knock sensor 1 (front) (lower left front of engine block)
• Knock sensor 2 (rear) (lower left rear of engine block)
• Ks 1 sig
• Ks 2 sig
• Low oil press sw
• Low ref
• Pnk
• Powertrain control module (upper left side of engine)
• Red
• Tac fuse 23 10a
• Tac motor
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tfp sw sig a
• Tfp sw sig b
• Tfp sw sig c
• Tft sens sig
• Throttle body (throttle position sensor) (on throttle body)
• Tp sens 1 sig
• Tp sens 2 sig
• Trs sig b
• Trs sig c
• Trs sig p
• Under- hood fuse block

5.3L VIN P

5.3L VIN P, Engine Performance Wiring Diagram (1 of 5) for Buick Rainier 2004

List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (1 of 5) for Buick Rainier 2004:

• (engine harness)
• (right rear of engine) crankshaft position (ckp) sensor
• +5v
• 3-2 ss ctrl
• A/c press +5v
• A/c system
• Abs system
• Batt volt
• C12
• Ckp 12v ref
• Ckp sig
• Cls 2 data
• Cmp low ref
• Cmp sig
• Computer data lines system
• Cooling fans system
• D12
• Ect sig
• Engine coolant temperature sensor (left front of engine block, near generator)
• Fan clutch
• Ftp +5v
• G108 (lower left side of engine)
• Gnd
• Ho2s hi 1,1
• Ho2s hi 1,2
• Ho2s hi 2,1
• Ho2s hi 2,2
• Ho2s lo 1,1
• Ho2s lo 1,2
• Ho2s lo 2,1
• Ho2s lo 2,2
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• Ign 0 fuse 47 10a
• Ign 0 volt
• Ign 1 volt
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Inj a fuse 55 15a
• Inj b fuse 56 15a
• Injectors
• Ks 1 signal
• Ks 2 signal
• Low ref
• Map +5v
• Map low ref
• O2a fuse 53 15a
• O2b fuse 54 15a
• Pcm b fuse 10 20a
• Pnk
• Powertrain control module (lower left front of engine)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Rear fuse block (below left rear seat)
• Red
• Req torq sig
• S100
• S101
• S102
• S320
• Serial data
• Start relay
• Starting/ charging system
• Tan
• Tcc/brk sig
• Tft low ref
• Underhood fuse block (left side of engine compt)

5.3L VIN P, Engine Performance Wiring Diagram (2 of 5) for Buick Rainier 2004

List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (2 of 5) for Buick Rainier 2004:

• (chassis harness) s359
• Camshaft position sensor (top rear of engine block)
• F/pmp relay
• Fuel pump & sender assembly (inside fuel tank)
• G107 (lower left side of engine)
• G108 (lower left side of engine)
• G305 (on left frame rail, near fuel tank)
• Heated oxygen sensor (bank 1 sensor 1) (left exhaust pipe, ahead of converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exhaust pipe, behind converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exhaust pipe, ahead of converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exhaust pipe, behind converter)
• Hot at all times
• Knock sensor 1
• Knock sensor 2
• Nca
• Park/ neutral position switch (on lower left side of trans- mission)
• Pcm b fuse 10 20a
• Pnk
• Red
• S101
• S306
• Tan
• Underhood fuse block (left side of engine compt)

5.3L VIN P, Engine Performance Wiring Diagram (3 of 5) for Buick Rainier 2004

List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (3 of 5) for Buick Rainier 2004:

• 1-2 sol
• 2-3 sol
• 3-2 sol
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• Engine oil pressure (eop) sensor
• Evaporative emission (evap) canister purge solenoid (left side of engine block)
• Evaporative emission canister vent solenoid (at rear of fuel tank)
• Fluid temp sensor
• Fuel tank pressure sensor (top left rear of fuel tank)
• Manifold absolute pressure sensor (on top of engine)
• Pnk
• Pressure control solenoid
• Red
• Rev
• Tan
• Tcc pwm sol
• Tcc sol
• Vehicle speed sensor (left rear of transfer case)

5.3L VIN P, Engine Performance Wiring Diagram (4 of 5) for Buick Rainier 2004

List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (4 of 5) for Buick Rainier 2004:

• (above accelerator pedal) accelerator pedal position sensor
• App sens 1
• App sens 2
• B10
• Canister fuse 15 10a
• Cruise control
• Cruise control system
• Cruise on
• Data
• E12
• Exterior lights system
• G108 (lower left side of engine)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Ign 1 volt
• Intake air temperature (iat)/ mass airflow (maf) sensor (in air intake duct)
• Low ref
• Maf
• Pnk
• R/a input
• Rear fuse block (below left rear seat)
• Red
• Ref low
• S/c input
• S101
• St/lp fuse 12 15a
• Stop- lamp switch (top of brake pedal bracket)
• Stp lp in
• Tac cntrl
• Tac ctrl
• Tac fuse 23 15a
• Tan
• Throttle actuator control module (lower left front of engine)
• Throttle body
• Tp sens 1
• Tp sens 2
• Underhood fuse block (left side of engine compt)
• Veh stop fuse 34 15a

5.3L VIN P, Engine Performance Wiring Diagram (5 of 5) for Buick Rainier 2004

List of elements for 5.3L VIN P, Engine Performance Wiring Diagram (5 of 5) for Buick Rainier 2004:

• (ignition coil harness)
• (lower left side of engine) g109
• 1-2 ss ctrl
• 2-3 ss ctrl
• 4wd low
• A/c clu rly
• A/c press sens
• A/c system
• A12
• Anti-lock brakes system
• Cmp 12v ref
• Cool fan spd
• Cooling fans system
• Crank fuse 10a
• Crank volt
• Ctrl
• Delivered torq
• Eng i fuse 26 10a
• Engine speed
• Engine speed signal
• Evap purge
• Evap vent ctrl
• Fuel lev sig
• Fuel press sig
• G108 (lower left side of engine)
• Gen field
• Gen on sig
• Gnd
• Ho2s htr 1,1
• Ho2s low 1,2
• Ho2s low 2,1
• Ho2s low 2,2
• Hot in run & start
• Hot in start
• Iat low ref
• Iat sig
• Ign
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign ctrl 5
• Ign ctrl 6
• Ign ctrl 7
• Ign ctrl 8
• Ign e fuse 22 10a
• Ignition coils
• Instrument cluster system
• Instrument panel cluster
• Low ref
• Low ref bank 1
• Low ref bank 2
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm i fuse 28 10a
• Pmp rly ctrl
• Pnk
• Powertrain control module (lower left front of engine)
• Press sens sig
• Prnd c sig
• Red
• Ref lo
• S101
• S108
• S109
• S118
• S119
• S128
• S129
• S239
• Spark plug
• Starting/ charging system
• Starting/charging system
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Transmission system (transfer case circuit)
• Underhood fuse block (left side of engine compt)
• Vss high sig
• Vss low sig
• Vss out