ENGINE PERFORMANCE – Pontiac Grand Prix GT 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.1L

3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Pontiac Grand Prix GT 1997:

• (engine harn, 11 cm from pcm breakout)
• (engine harn, 4 cm from pcm breakout)
• (i/p harness, 30 cm from data link connector breakout)
• (on transaxle)
• (on transaxle) g129
• 24x crank pos in
• 5v ref out
• A/c comp ctrl
• A/c request in
• A/c system
• Body control module (left side of steering column)
• Brake/tcc sw in
• C10
• Cam pos in
• Cam/crnk pos return
• Camshaft position sensor (right side of engine, below intake plenum)
• Cooling fans system
• Crankshaft position sensor (24x) (right side of engine, behind harmonic balancer)
• Cruise control system
• Cruise engaged sig
• D11
• Data link connector (under left side of i/p)
• Dlc class 2 data
• Dlc uart
• Ecm fuse 10a
• Ecm sense fuse 10a
• Egr ignition
• Egr valve sol ctrl
• Engine cool fan #1
• Engine cool fan #2
• Engine data sens grd
• Engine oil level indicator switch (center of eng oil pan)
• Evap can purge vac sw
• Evap purge sol ctrl
• Evaporative emissions canister purge solenoid valve (top rear of eng, behind generator)
• Fuel pump rly ctrl
• Fuse block
• G129
• Hot at all times
• Hot in off, run bulb test, or start
• Iac control
• Icm module bypass
• Idle air control (iac) valve (on front of throttle assembly)
• Ignition ctrl in
• Ignition ctrl ref hi
• Ignition ctrl ref lo
• Ignition feed
• Instrument cluster system
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct)
• Maf sensor in
• Mass air flow sensor (left front of eng, in air cleaner duct)
• Mil lamp control
• Nca
• Oil level input
• Pcm ground
• Pnk
• Power (battery)
• Power (ignition)
• Powertrain control module (left side of eng compt, inside air cleaner assembly)
• S106
• S146
• S155
• S237
• Tan
• Tcc enable sol ctrl
• Tcc solenoid ctrl
• Theft deter fuel enable
• Trans range sw 'a'
• Trans range sw parity
• Underhood electrical center
• Vehicle speed sensor (on transaxle)
• Vss in
• Vss out-4000 ppm
• Vss return

3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Pontiac Grand Prix GT 1997:

• (engine harn, 10 cm from generator breakout)
• (engine harn, 4 cm from generator breakout)
• (injector harn, 2 cm from injector 3 breakout)
• (on transaxle)
• 3x ref hi
• 3x ref lo
• 7x ref hi
• 7x ref lo
• A12
• Bypass ctrl
• Crankshaft position sensor (7x) (lower rear of engine)
• Elek ign fuse 15a
• Engine coolant temperature sensor (top left side of eng, below throttle body)
• Evaporative emission canister purge vacuum switch (top rear of eng, behind generator)
• Exhaust gas recirc- ulation valve (upper left side of eng, near throttle body)
• F12
• Fuel pump
• Fuel pump fuse 15a
• Fuel pump relay
• Fuel tank
• Fuse 10a
• Fuse block
• G129
• G129 (on transaxle)
• G316 (right door sill, forward of right front seat)
• Gnd
• Hot at all times
• Hot in run, bulb test or start
• I/p ign d5
• Ig ctrl
• Ign1-uh fuse 15a
• Ignition control module (top center rear of eng)
• Instrument cluster
• Malfunction indicator lamp
• Plugs spark
• Pnk
• S105
• S106
• S107
• S121
• S122
• S209
• Spark plugs
• Stoplamp switch (on brake pedal bracket)
• Tan
• Tcc fuse 10a
• Throttle position sensor (on throttle assembly)
• Tr sw a in
• Tr sw b in
• Tr sw c in
• Tr sw party
• Transaxle range switch (top of transaxle)
• Underhood electrical center
• Underhood electrical center #1

3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Pontiac Grand Prix GT 1997:

• (injector harn, 2 cm from breakout to injector 2)
• (on transaxle)
• 1-2 shift solenoid
• 1-2 ss ctrl
• 2-3 shift solenoid
• 2-3 ss ctrl
• A/c press sens in
• A/c refrigerant pressure sensor (left side of engine compt, below accumulator)
• A12
• Auto transaxle fluid temperature sensor
• B red
• Change oil soon ind ctrl
• Cruise control system
• Cruise inhibit out
• Ect sensor in
• 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
• Fuse 10a
• G10
• G129
• G129 (on transaxle)
• Gen out signal in
• Generator
• Generator lamp ctrl
• Heated oxygen sensor #2 (in exhaust pipe, behind catalyst)
• Heated oxygen sensor #1 (rear of engine, in exhaust manifold)
• Ho2s 1 hi in
• Ho2s 1 low in
• Ho2s 2 hi in
• Ho2s 2 low in
• Hot coolant lamp ctrl
• Hot in run, bulb test and start
• Iat sensor in
• Inj g11
• Instrument cluster system
• Knock sens in
• Knock sensor (front of engine, above starter)
• Linear egr pos sens in
• Low oil ind ctrl
• Manifold absolute pressure sensor (top rear of engine)
• Map sensor in
• Nca
• Pcm ground
• Pnk
• Powertrain control module (left side of eng compt, inside air cleaner assembly)
• Red
• S105
• S106
• S109
• S115 (auto trans harn, inside tranaxle)
• Tach ind ctrl
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Tp sensor in
• Trans range sw 'b' in
• Trans range sw 'c' in
• Trans temp sens in
• Transaxle
• Underhood electrical center

3.8L

3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 3) for Pontiac Grand Prix GT 1997:

• (i/p harness, 30 cm from data link connector breakout)
• (on transaxle)
• 18x ref sig
• 5v ref out
• A/c comp ctrl
• A/c request in
• A/c system
• A/t iss sens hi
• A/t iss sens lo
• Anti-lock brake system
• Body control module (left side of steering column)
• Boost ctrl sol driver
• Brake/tcc sw in
• C10
• Cmp sens sig
• Cooling fans system
• Cruise control system
• Cruise engaged sig
• D11
• Data link connector (bottom of i/p, right of steering column)
• Dlc class 2 data
• Dlc uart
• Ecm fuse 10a
• Ecm sense fuse 10a
• Egr ignition
• Egr valve sol ctrl
• Engine cool fan #1
• Engine cool fan #2
• Engine data sens grd
• Engine oil level indicator switch (front center of eng oil pan)
• Evap can purge vac sw
• Evap purge sol ctrl
• Evaporative emissions canister purge solenoid valve (top fron of eng, on intake manifold, behind generator)
• Fp spd ctrl rly ctrl
• Fuel pump resistor (right front frame rail, forward of front wheel)
• Fuel pump rly ctrl
• Fuse block
• G129
• Hot at all times
• Hot in off, run bulb test, or start
• Iac control
• Icm module bypass
• Idle air control (iac) valve (on front of throttle assembly)
• Ignition ctrl in
• Ignition ctrl ref hi
• Ignition ctrl ref lo
• Instrument cluster system
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duck)
• Maf sensor in
• Mass air flow sensor (left front of eng, part of throttle assembly)
• Mil lamp control
• Oil level input
• Pcm ground
• Pnk
• Power (battery)
• Power (ignition)
• Powertrain control module (left side of eng compt, inside air cleaner assembly)
• S106
• S237
• Super charge bypass valve (top rear of eng, near fuel injectors)
• Tan
• Tcc pwm sol ctrl
• Theft deter fuel enable
• Tract ctrl desired torq
• Trans range sw 'a'
• Trans range sw parity
• Underhood electrical center
• Vehicle speed sensor (on transaxle)
• Vss in
• Vss out-4000 ppm
• Vss return

3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 3) for Pontiac Grand Prix GT 1997:

• (behind harmonic balancer)
• (engine harn, left top front of eng, 13 cm from 10-pin black connector, near ignition module)
• (engine harn, left top front of eng, 4 cm from 10-pin black connector, near ignition module)
• (ign ctrl mod harn, top of eng, near ignition control module)
• (on transaxle)
• (right side of eng, on ignition control module bracket)
• 18x ref sig
• 3x ref sig
• A12
• Bypass ctrl
• C2 a2
• Camshaft position sensor (above crankshaft pulley)
• Ckp 18x ref
• Ckp sync
• Cmp sens gnd
• Cmp sens sig
• Crankshaft position sensor
• Elek ign fuse 15a
• Engine coolant temperature sensor (top left side of eng, below throttle body)
• Evaporative emission canister purge vacuum switch (top rear of eng, behind generator)
• Exhaust gas recirc- ulation valve (upper left side of eng, near throttle body)
• F/pmp spd cont relay
• F12
• Fuel pump
• Fuel pump fuse 15a
• Fuel pump prime terminal
• Fuel pump relay
• Fuel tank
• Fuse 10a
• Fuse block
• G120
• G129
• G316 (right door sill, forward of right front seat)
• Gnd
• Hot at all times
• Hot in run, bulb test or start
• I/p ign d5
• Ig ctrl
• Ign1- uh fuse 15a
• Ignition control module (top right front of eng)
• Instrument cluster
• Malfunction indicator lamp
• Pnk
• Ref lo
• S105
• S107
• S122
• S144
• S145
• S209
• Spark plugs
• Stoplamp switch (on right side of brake pedal bracket)
• Tan
• Tcc fuse 10a
• Throttle position sensor (on throttle assembly)
• Tr sw a in
• Tr sw b in
• Tr sw c in
• Tr sw party
• Transaxle range switch (left of eng, top of transaxle)
• Underhood electrical center
• Voltage (b+)

3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 3) for Pontiac Grand Prix GT 1997:

• (on transaxle)
• (right side of i/p cross beam, behind fuse box)
• 1-2 shift solenoid
• 1-2 ss ctrl
• 2-3 shift solenoid
• 2-3 ss ctrl
• A/c press sens in
• A/c refrigerant pressure sensor (left side of engine compt, on accumulator)
• A12
• Auto transaxle fluid temperature sensor
• Automatic trans- axle input shaft speed sensor
• Automatic transaxle fluid pressure manual valve position switch
• B12
• C12
• Change oil soon ind ctrl
• Cruise control system
• Cruise inhibit out
• D2 sw
• D3 sw
• D4 sw
• Ect sensor in
• 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
• G129
• G129 (on transaxle)
• G202
• Gen out signal in
• Generator
• Generator lamp ctrl
• Heated oxygen sensor #1 (rear of eng, in exhaust manifold)
• Heated oxygen sensor #2 (in exhaust pipe, behind catalyst)
• Ho2s 1 hi in
• Ho2s 1 low in
• Ho2s 2 hi in
• Ho2s 2 low in
• Hot coolant lamp ctrl
• Hot in run, bulb test and start
• Iat sensor in
• Inj fuse 10a
• Instrument cluster system
• Knock sens #1 sig
• Knock sens #2 sig
• Knock sensor #1 (rear of eng, below exhaust manifold)
• Knock sensor #2 (front of eng, above starter)
• Linear egr pos sens in
• Lo sw
• Low oil ind ctrl
• Manifold absolute pressure sensor (top rear of eng, near fuel injectors)
• Map sensor in
• Nca
• Pc sol hi
• Pc sol lo
• Pcm ground
• Perform shift sw in
• Performance shift switch (part of console shift handle)
• Pessure control solenoid valve
• Pnk
• Powertrain control module (left side of eng compt, inside air cleaner assembly)
• Red
• Rev sw
• S106
• S236
• Tach ind ctrl
• Tan
• Tcc pwm solenoid
• Tcc rel sw
• Tcc release sw in
• Tp sensor in
• Trans fluid press sw 'a'
• Trans fluid press sw 'b'
• Trans fluid press sw 'c'
• Trans range sw 'b' in
• Trans range sw 'c' in
• Trans temp sens in
• Transaxle
• Underhood electrical center

3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 3) for Pontiac Grand Prix GT 1997:

• (i/p harness, 30 cm from data link connector breakout)
• (on transaxle)
• 18x ref sig
• 5v ref out
• A/c comp ctrl
• A/c request in
• A/c system
• Anti-lock brake system
• Body control module (left side of steering column)
• Brake/tcc sw in
• C10
• Cmp sens sig
• Cooling fans system
• Cruise control system
• Cruise engaged sig
• D11
• Data link connector (bottom of i/p, right side of steering column)
• Dlc class 2 data
• Dlc uart
• Ecm fuse 10a
• Ecm sense fuse 10a
• Egr ignition
• Egr valve sol ctrl
• Engine cool fan #1
• Engine cool fan #2
• Engine data sens grd
• Engine oil level indicator switch (front center of eng oil pan)
• Evap can purge vac sw
• Evap purge sol ctrl
• Evaporative emissions canister purge solenoid valve (top rear of eng, behind generator)
• Fuel pump rly ctrl
• Fuse block
• G129
• Hot at all times
• Hot in off, run bulb test, or start
• Iac control
• Icm module bypass
• Idle air control (iac) valve (on front of throttle assembly)
• Ignition ctrl in
• Ignition ctrl ref hi
• Ignition ctrl ref lo
• Instrument cluster system
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct)
• Maf sensor in
• Mass air flow sensor (left front of eng, part of throttle body)
• Mil lamp control
• Oil level input
• Pcm ground
• Pnk
• Power (battery)
• Power (ignition)
• Powertrain control module (left side of eng compt, inside air cleaner assembly)
• S106
• S237
• Tan
• Tcc pwm sol ctrl
• Tcc solenoid ctrl
• Theft deter fuel enable
• Tract ctrl desired torq
• Trans range sw 'a'
• Trans range sw parity
• Underhood electrical center
• Vehicle speed sensor (right rear of eng, on transaxle)
• Vss in
• Vss out-4000 ppm
• Vss return

3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 3) for Pontiac Grand Prix GT 1997:

• (behind harmonic balancer)
• (engine harn, left top front of eng, 13 cm from 10-pin black connector, near ignition module)
• (engine harn, left top front of eng, 4 cm from 10-pin black connector, near ignition module)
• (ign ctrl mod harn, top of eng, near ignition control module)
• (on transaxle)
• 18x ref sig
• 3x ref sig
• A12
• Bypass ctrl
• Camshaft position sensor (above crankshaft pulley)
• Ckp 18x ref
• Ckp sync
• Cmp sens gnd
• Cmp sens sig
• Crankshaft position sensor
• Elek ign fuse 15a
• Engine coolant temperature sensor (top left side of eng, below throttle body)
• Evaporative emission canister purge vacuum switch (top rear of eng, behind generator)
• Exhaust gas recirc- ulation valve (upper left side of eng, near throttle body)
• F12
• Fuel pump
• Fuel pump fuse 15a
• Fuel pump relay
• Fuel tank
• Fuse 10a
• Fuse block
• G120
• G129
• G316 (right door sill, forward of righ front seat)
• Gnd
• Hot at all times
• Hot in run, bulb test or start
• I/p ign d5
• Ig ctrl
• Ign1- uh fuse 15a
• Ignition control module (top right front of eng)
• Instrument cluster
• Malfunction indicator lamp
• Pnk
• Ref lo
• Right side of eng, on ignition control module bracket)
• S105
• S107
• S122
• S144
• S145
• S209
• Spark plugs
• Stoplamp switch (on right side of brake pedal bracket)
• Tan
• Tcc fuse 10a
• Throttle position sensor (on throttle assembly)
• Tr sw a in
• Tr sw b in
• Tr sw c in
• Tr sw party
• Transaxle range switch (left of eng, top of transaxle)
• Underhood electrical center
• Voltage (b+)

3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 3) for Pontiac Grand Prix GT 1997

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 3) for Pontiac Grand Prix GT 1997:

• (on transaxle)
• 1-2 shift solenoid
• 1-2 ss ctrl
• 2-3 shift solenoid
• 2-3 ss ctrl
• A/c press sens in
• A/c refrigerant pressure sensor (left side of engine compt, on accumulator)
• A12
• Auto transaxle fluid temperature sensor
• B red
• B12
• C12
• Change oil soon ind ctrl
• Cruise control system
• Cruise inhibit out
• Ect sensor in
• 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
• G129
• G129 (on transaxle)
• Gen out signal in
• Generator
• Generator lamp ctrl
• Heated oxygen sensor #2 (in exhaust pipe, behind catalyst)
• Heated oxygen sensor #1 (rear of engine, in exhaust manifold)
• Ho2s 1 hi in
• Ho2s 1 low in
• Ho2s 2 hi in
• Ho2s 2 low in
• Hot coolant lamp ctrl
• Hot in run, bulb test and start
• Iat sensor in
• Inj fuse 10a
• Instrument cluster system
• Knock sens #1 sig
• Knock sens #2 sig
• Knock sensor #1 (rear of eng, below exhaust manifold)
• Knock sensor #2 (front of eng, above starter)
• Linear egr pos sens in
• Low oil ind ctrl
• Manifold absolute pressure sensor (top right side of intake manifold)
• Map sensor in
• Nca
• Pcm ground
• Pnk
• Powertrain control module (left side of eng compt, inside air cleaner assembly)
• Red
• S105
• S106
• S115 (auto trans harn, inside tranaxle)
• Tach ind ctrl
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Tp sensor in
• Trans range sw 'b' in
• Trans range sw 'c' in
• Trans temp sens in
• Transaxle
• Underhood electrical center