ENGINE PERFORMANCE – Pontiac Grand Prix GXP 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L VIN 2

3.8L VIN 2, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GXP 2008:

• (left side of engine oil pan) engine oil level switch
• (lower right front of engine, on transaxle stud, near starter) g113
• (pins 62-72 not used)
• (top front of engine, above valve cover) manifold absolute pressure (map) sensor
• (top right rear of engine, near throttle body) exhaust gas recirculation (egr) valve
• 5 volt ref 1
• 5 volt ref 2
• Air sol ctrl
• Cmp sig
• Ect sensor sig
• Egr sol hi ctrl
• Egr sol lo ctrl
• Egr vlv pos sig
• Engine coolant temperature (ect) sensor (left rear of engine)
• Engine oil pressure (eop) switch (below power steering pump)
• Evap cnstr purge sol ctrl
• Evaporative emission (evap) canister purge solenoid valve (below throttle body)
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel injectors (fuel injector 1, 3 & 5: top left of engine) (fuel injector 2, 4 & 6: top right of engine)
• G113 (lower right front of engine, on transaxle stud, near starter)
• Generator field duty cycle sig
• Generator turn on sig
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold)
• Ho2s hi sig
• Ho2s htr sens 1
• Ho2s lo sig
• Ic timing ctrl
• Ic timing sig
• J101
• J109
• Knock sensor (ks) bank 1 (right side of engine, above starter)
• Knock sensor (ks) bank 2 (right side of engine, below exhaust manifold)
• Ks 1 sig
• Ks 2 sig
• Lo eng spd sig
• Low ref
• Map sensor sig
• Med eng spd sig
• Nca
• Oil lvl sw sig
• Oil press sw sig
• Pnk
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Red
• Starting/charging system
• Tan
• Uart serial data
• W/ emission system- california pzev

3.8L VIN 2, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GXP 2008:

• (front of engine, above crankshaft pulley) camshaft position (cmp) sensor
• (front of engine, behind harmonic balancer) crankshaft position (ckp) sensor
• (ignition control module harness, 12 cm from breakout to x110)
• (not used)
• 12-volt ref
• 5 volt ref
• A11
• Accelerator pedal position (app) sensor (under left side of dash)
• App sens 1 sig
• App sens 2 sig
• B11
• Body control module (bcm) (behind left side of dash, left of steering column)
• C11
• Ckp sens 1 sig
• Ckp sens 2 sig
• Cmp sens sig
• Cmp sig
• Cruise sw fuse 2a
• E12
• Elek ign fuse 24 15a
• Engine spd sig
• Etc fuse 17 15a
• F11
• From p/train relay (diagram 4 of 5)
• Fuel inj fuse 20 15a
• G112 (right side of engine, on ignition control module bracket)
• G113 (lower right front of engine, on transaxle stud, near starter)
• Gnd
• Ground
• Hot w/ ign 1 relay energized
• Hot w/ ignition main pcb relay energized
• I/p fuse block (behind right side of dash, in glove box opening)
• Ic timing ctrl
• Ic timing sig
• Ign 1
• Ign 1 volt
• Ignition coil/ module
• Ignition control module (icm) (top left front of engine)
• Inflatable restraint steering wheel module coil (under steering wheel horn pad)
• J102
• J144
• J145
• J240 (a/t)
• Left automatic transmission manual shift switch
• Logic
• Low ref
• Low resolution
• Med resolution
• Nca
• Pnk
• Primary uart
• Radio (w/ navigation)
• Right automatic transmission manual shift switch
• Secondary uart
• Spark plugs
• Stop lamp switch signal
• Stop lp sw sig
• Tan
• Tap dn
• Tap up
• Throttle actuator control (tac) module (on throttle body)
• Trans sol fuse 21 10a
• Underhood fuse block (mounted to right strut tower)
• Vehicle spd sig
• Vss
• W/ california pzev- emission system

3.8L VIN 2, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GXP 2008:

• 1-2 shift
• 1-2 shift solenoid valve
• 2-3 shift
• 2-3 shift solenoid valve
• A/t
• A/t fluid pressure manual valve position switch
• A/t fluid temperature (tft) sensor
• Air press sens
• At iss hi sig
• At iss low sig
• Automatic transaxle
• Ctrl sens 2 ho2s htr lo
• Front sig high
• Front sig low
• G113 (lower right front of engine, on transaxle stud, near starter)
• Ho2s high sig
• Ho2s low sig
• Iat sensor sig
• Input shaft speed sensor
• J101
• J115 red
• Low ref
• Maf sensor sig
• Pc sol vlv lo ctrl
• Pnk
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Pressure control solenoid valve
• Red
• Sol vlv ctrl pc sol vlv hi ctrl
• Sol vlv ctrl trans rng sw sig a
• Tan
• Tcc release sw sig
• Tcc release switch
• Tcc sol vlv ctrl
• Tft sensor sig
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Trans rng sw sig b
• Trans rng sw sig c
• Trans rng sw sig p
• Transmission internal mode switch
• Vehicle speed sensor (vss) (lower right side of engine compt, on transaxle)
• W/ california pzev- emission system

3.8L VIN 2, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GXP 2008:

• (left front of engine compt, near air cleaner duct) (w/ california pzev- emission system) secondary air injection (air) pump relay
• (rear of engine, in air cleaner duct) intake air temperature(iat)/ mass air flow (maf) sensor
• Air pump fuse 56 50a
• Canister fuse 10a
• D11
• Electronic brake control module (left side of engine compt, part of brake pressure modulator valve)
• Emission fuse 12 10a
• Eng speed sig
• Evaporative emission (evap) canister vent solenoid (behind left side of rear fascia splash shield, behind wheelwell)
• F12
• Fuel pp fuse 22 15a
• Fuel pp relay
• G113 (lower right front of engine, on transaxle stud, near starter)
• Gnd
• Heated oxygen sensor (ho2s) 2 (in exhaust system, rear of catalytic converter)
• Hot at all times
• I/p fuse block (behind right side of dash, in glove box opening)
• Iat
• Ign 1 volt
• J101
• J103
• J104
• Maf sens
• Nca
• Nca a
• Nca b
• O2 ssr fuse 14 15a
• P/train relay
• Pnk
• Secondary air injection (air) pump (w/ california pzev- emission system) (lower left rear of engine)
• Secondary air injection (air) shutoff valve (w/ california pzev- emission system)
• Secondary air injection (air) valve relay (w/ california pzev- emission system) (left front of engine compt, near air cleaner duct)
• Tan
• To etc fuse 17 (diagram 2 of 5)
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 2, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GXP 2008:

• (at base of steering column)
• (clipped to knee-bolster panel, to right of data link connector) jx205
• (on left side of engine compt, on accumulator) a/c refrigerant pressure sensor
• (right front door sill)
• 5 volt ref 1
• 5 volt ref 2
• A/c clutch relay
• A/c refrig press sens sig
• A12
• A7 x2
• Acc
• Acc volt
• Air conditioning system
• Air pump rly ctrl
• B12
• Batt + volt
• Batt positive volt
• C12
• Computer data lines system
• Cooling fans system
• Cruise control sw sig
• Cruise control system
• D1 x1
• D10
• D11
• D12 x2
• Data link connector (dlc) (under left side of dash, right of steering column)
• Displays fuse 10a
• Driver information center (dic)
• E11
• Eng speed sig
• Evap cnstr vent sol ctrl
• Ftp sens sig
• Fuel lvl sens sig
• Fuel pump & sender assembly
• Fuel pump rly ctrl
• Fuel tank
• Fuel tank pressure sensor
• G202
• G302
• Gnd
• Hi spd cooling fan rly
• Hot at all times
• Hot w/ ign 1 relay energized
• I/p fuse block (behind right side of dash, in glove box opening)
• Ignition 1 volt
• Ignition switch
• Instrument panel cluster
• Ipc class 2
• J201
• J211
• Lo spd cooling fan rly
• Lock
• Logic
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Mil ctrl
• Pcm class 2 serial data
• Pcm fuse 15 10a
• Pcm rly ctrl
• Pcm/etc fuse 16 15a
• Pnk
• Power distribution system
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Run
• Serial data (+)
• Serial data (-)
• Start
• Starter enable
• Starting/charging system
• Stop lp sw sig
• Underhood fuse block (mounted to right strut tower)
• Vehicle speed sig
• W/ california pzev-emission system
• X1 d8
• X405 f

5.3L VIN C

5.3L VIN C, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GXP 2008:

• (lower left side of engine) knock sensor (ks) 1
• (lower right rear of engine) knock sensor (ks) 2
• 12v ref
• 5 volt ref 1
• 5 volt ref 2
• Ckp sensor
• Ckp sig
• Cmp sensor
• Crankshaft position (ckp) sensor (lower right rear of engine)
• Engine control module (left side of engine compt, inside air cleaner assembly)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• G113 (left front of engine compt, near transmission)
• Gnd
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold)
• Heated oxygen sensor (ho2s) 2 (in exhaust system, rear of catalytic converter)
• Heater control 1
• Heater control 2
• Ho2s high sig
• Ho2s low sig
• Iat sensor sig
• Ic 1 control
• Ic 2 control
• Ic 3 control
• Ic 4 control
• Ic 5 control
• Ic 6 control
• Ic 7 control
• Ic 8 control
• Ignition 1
• Ignition 1 volt
• Ignition coil 3 (top left side of engine)
• Intake air temperature (iat)/ mass air flow (maf) sensor (left front of engine compt, in air cleaner duct)
• J101
• Ks 1 sig
• Ks 2 sig
• Low ref
• Maf sens
• Maf sensor
• Nca
• Oil press sw sig
• Plug spark
• Pnk
• Pnk d
• Red
• Tac motor 1
• Tac motor 2
• Tan
• Throttle actuator control (tac) module (top rear of engine)
• Tp sensor 1 sig
• Tp sensor 2 sig

5.3L VIN C, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GXP 2008:

• (ignition coils 1, 5 & 7: top left side of engine)
• (ignition coils 2, 4, 6 & 8: top right side of engine)
• (left front of engine compt, near transmission)
• Body control module (bcm) (behind left side of dash, left of steering column)
• Fuel injectors (fuel injector 1, 3, 5 & 8: top left of engine) (fuel injector 2, 4, 6 & 7: top right of engine)
• G112
• G112 (left front of engine compt, near transmission)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• J105
• J106
• J108
• J109
• J130
• J131
• J132
• J133
• Nca
• Plug spark
• Pnk
• Pnk d
• Red
• Red c
• Spark plug
• Stop lamp switch signal

5.3L VIN C, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GXP 2008:

• 5 volt ref 1
• 5 volt ref 2
• A/c clutch relay
• Accessory volt
• Air conditioning system
• App sensor 1 sig
• App sensor 2 sig
• Batt positive volt
• Brake booster
• Cooling fans system
• Cruise control system
• Cruise switch
• Ecm ign fuse 10a
• Ecm/tcm fuse 15a
• Emissions 1 fuse 15a
• Emissions 2 fuse 15a
• Engine control module (left side of engine compt, inside air cleaner assembly)
• Engine speed sig
• Etc/ecm fuse 15a
• Fuel level sensor
• Fuel pump fuse 15a
• Fuel pump relay
• Fuel tank sensor
• G113 (left front of engine compt, near transmission)
• High speed
• Hot at all times
• Hot w/ ignition main pcb relay energized
• Ignition 1 volt
• Inj 1 fuse 20a
• Inj 2 fuse 20a
• J101
• Low ref
• Mil control
• Pnk
• Power distribution system
• Pwr/trn relay
• Red
• Serial data
• Starter enable
• Starting/charging system
• Stop lamp switch
• Tan
• Underhood fuse block (mounted to right strut tower)
• Vent solenoid
• Vss

5.3L VIN C, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GXP 2008:

• (right front door sill)
• (w/ navigation) radio
• A12
• Acc
• Accelerator pedal position (app) sensor (under left side of dash)
• B12
• Batt
• Brake booster vacuum sensor
• C12
• Canister fuse 10a
• Ctrl mil
• D12
• Data
• Displays fuse 10a
• Driver information centrer (dic)
• Engine oil pressure (eop) sensor (top rear of engine, near base of intake manifold)
• Evaporative emissions (evap) canister vent solenoid (behind left side of rear fascia splash shield, behind wheelwell)
• Fuel pump & sender assembly
• Fuel tank
• Fuel tank pressure (ftp) sensor
• G202 (at base of steering column)
• G302
• Gnd
• Hot at all times
• Hot at hot at all times all times
• I/p fuse block (behind right side of dash, in glove box opening)
• Ignition switch
• Instrument panel cluster
• J201
• J211
• Lock
• Logic
• Malfunction indicator lamp (mil)
• Power distribution system
• Red
• Run
• Start
• Tan
• Underhood fuse block (mounted to right strut tower)
• Vss
• X405

5.3L VIN C, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GXP 2008

List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GXP 2008:

• (clipped to knee-bolster panel, to right of data link connector) jx205
• (left front side of engine)
• 5 volt ref 1
• 5v ref
• A/c refrigerant
• A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
• Bus +
• Bus -
• Camshaft position (cmp) sensor (front of engine, above crankshaft pulley)
• Cmp sig
• Cooling fans system
• Cylinder shutoff
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 4
• Cylinder shutoff solenoid 6
• Cylinder shutoff solenoid 7
• Data link connector (dlc) (under left side of dash, right of steering column)
• Delivered sig
• Ect sensor sig
• Electronic brake control module (left side of engine compt, part of brake pressure modulator valve)
• Engine control module (left side of engine compt, inside air cleaner assembly)
• Engine coolant temperature (ect) sensor
• Engine speed
• Evaporative emission (evap) canister purge solenoid valve (top rear of engine)
• Generator
• Low ref
• Low speed
• Manifold absolute pressure (map) sensor (top rear of engine)
• Map sensor sig
• Prk/neutral sig
• Purge solenoid
• Red
• Requested sig
• Serial data bus +
• Serial data bus -
• Starting/charging system
• Tan
• Transmission control module (left side of engine compt, inside air cleaner assembly)
• Transmissions system
• Valve lifter oil manifold (vlom) assembly (top rear of engine)
• Vss