ENGINE PERFORMANCE – GMC Envoy 2007 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L VIN S

4.2L VIN S, Engine Performance Wiring Diagram (1 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (1 of 7) for GMC Envoy 2007:

• 4wd low sig
• 5 volt ref
• A/c compr rly
• A/c press sens
• A/c system
• Accelerator pedal position (app) sensor (above accelerator pedal, on bracket)
• Air pump relay
• Anti-lock brakes system
• App sens 1 sig
• App sens 2 sig
• B10
• Battery
• Cc on sw input
• Cls 2 data
• Computer data lines system
• Cool fan clutch
• Cooling fan sp
• Cooling fans system
• Crank voltage
• Cruise control system
• Eng spd sig out
• Evap can vent
• Fuel lvl
• Fuel pmp rly
• Fuel tank press
• Fuel tank pressure sensor (swb: top left rear of fuel tank) (lwb: top of fuel tank)
• Hot at all times
• Hot in accy, run or start
• Hot in run or start
• Ign 0 fuse 47 10a
• Ign 0 volt
• Ign 1 volt
• Ign 1 voltage
• Ign e fuse 22 10a
• Instrument cluster system
• Instrument panel cluster
• Low ref
• Malfunction indicator lamp
• Mil ctrl
• Pcm b fuse 10 20a
• Pnk
• Pnp sw input
• Powertrain control module (pcm) (on upper left side of engine)
• Pwrtrn rly coil
• Rear fuse block (below left rear seat)
• Res/acc sw
• S239
• S320
• Set/cruise sw
• Starting/ charging system
• Starting/charging system
• Stop lamp switch (on brake pedal assembly)
• Stop lamp volt
• Strt enable rel
• Tan
• Tcc rel sw sig
• Transfer case circuit
• Underhood fuse block (on left side of engine compt) c2
• Vss signal out

4.2L VIN S, Engine Performance Wiring Diagram (2 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (2 of 7) for GMC Envoy 2007:

• (outside of left frame rail, near fuel tank) g305
• A11
• Air pump fuse 56 60a
• Air sol fuse 54 15a
• Air sol relay
• Camshaft position (cmp) sensor (right front of engine block)
• D11
• E11
• F/pmp relay
• Fuel pump/ & sender assembly (2006: inside fuel tank) (2007: top of fuel tank)
• G107 (lower left side of engine)
• G107 (on lower left side of engine)
• Hot at all times
• Hot in run or start
• Nca
• Pcm b fuse 10 20a
• Pnk
• Red
• S306
• Secondary air injection pump (left front of chassis)
• Secondary air injection pump relay (left front of chassis)
• Secondary air injection solenoid (upper right side of engine)
• Tac motor
• Throttle body
• Underhood fuse block (on left side of engine compt)
• Underhood fuse block (on left side of engine compt) c1

4.2L VIN S, Engine Performance Wiring Diagram (3 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (3 of 7) for GMC Envoy 2007:

• (left rear of engine block, below starter) crankshaft (ckp)
• (on upper left side of engine) manifold absolute pressure sensor
• (top of engine) injectors
• Camshaft actuator solenoid assembly (right front of cylinder head)
• Engine coolant temperature (ect) sensor (lower right rear of engine block)
• Hot in run or start
• Pcm i fuse 28 15a
• Pnk
• Position sensor
• Red
• S111
• Underhood fuse block (on left side of engine compt)

4.2L VIN S, Engine Performance Wiring Diagram (4 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (4 of 7) for GMC Envoy 2007:

• (on upper left side of engine) powertrain control module (pcm)
• (upper right side of engine) secondary air injection solenoid
• 12v ref
• 5v ref
• Air sol relay
• Cam pos sol hi
• Ckp sens sig
• Cooling fans system
• Cpm sens sig
• Ect sens sig
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• G108 (on lower left side of engine)
• Gen turn on sig
• Gfd cyc sig
• Ground
• H02s hi sig sens 1
• Ho2s htr lo s1
• Ho2s lo sig s1
• Iat sens sig
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ks 1 sig
• Ks 2 sig
• Low ref
• Maf sen sig
• Map sens sig
• Pnk
• Powertrain control module (pcm) (on upper left side of engine)
• Red
• Starting/ charging system
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

4.2L VIN S, Engine Performance Wiring Diagram (5 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (5 of 7) for GMC Envoy 2007:

• (lower left side of engine) evaporative emission (evap) canister purge solenoid
• (swb: rear of fuel tank) (lwb: top of fuel tank) evaporative emission (evap) canister vent solenoid
• C10
• C11
• Ctrl
• Etc fuse 23 10a
• Gnd
• Hot at all times
• Hot in run or start
• Ign
• Ignition coils
• Knock sensor 1 (front) (lower left front of engine block)
• Knock sensor 2 (rear) (lower left rear of engine block)
• Nca
• O2 snsr fuse 29 10a
• Pnk
• Pnk a
• Pwr/ trn relay
• Spark plug
• Tan
• Tcm cnstr fuse 26 10a
• Underhood fuse block (on left side of engine compt)

4.2L VIN S, Engine Performance Wiring Diagram (6 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (6 of 7) for GMC Envoy 2007:

• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 shift solenoid
• Automatic transmission
• Automatic transmission fluid
• C10
• D10
• D2 sw
• D3 sw
• D4 sw
• E10
• F10
• G109 (on lower left side of engine)
• Lo sw
• Pnk
• Pressure control solenoid
• Red
• Red s133
• Rev sw
• Solenoid tcc pmw
• Tan
• Tcc solenoid
• Temperature sensor
• Underhood fuse block (on left side of engine compt)
• Valve
• Vehicle speed sensor (vss) (left rear of transfer case)

4.2L VIN S, Engine Performance Wiring Diagram (7 of 7) for GMC Envoy 2007

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (7 of 7) for GMC Envoy 2007:

• (on lower left side of transmission) park/neutral position switch
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Air inj ctrl vlv 1
• Anti-lock brakes system
• Delivered torq sig
• Engine oil pressure switch lower right of engine block)
• Evap can prg ctl
• G108 (on lower left side of engine)
• Heated oxygen sensor 1 (on exhaust manifold, on right side of engine)
• Heated oxygen sensor 2 (downstream of catalytic converter)
• Ho2s hi sig
• Ho2s lo htr ctrl
• Ho2s low sig
• Low oil press sw
• Low ref
• Mass air flow (maf)/ intake air temperature (iat) sensor (in air intake duct, on top right of engine)
• Nca
• Oil press sw sig
• Pc sol hi ctrl
• Pc sol low ctrl
• Pnk
• Powertrain control module (pcm) (upper left side of engine)
• Red
• Req torq sig
• S101
• Tan
• Tcc pwm sol
• Tcc sol vlv ctrl
• Tfp sw sig a
• Tfp sw sig b
• Tfp sw sig c
• Tft sens sig
• Tran rg sw sig a
• Trs sig b
• Trs sig c
• Trs sig p
• Underhood fuse block
• Underhood fuse block (on left side of engine compt)
• Vss hi sig
• Vss low sig

5.3L VIN M

5.3L VIN M, Engine Performance Wiring Diagram (1 of 5) for GMC Envoy 2007

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (1 of 5) for GMC Envoy 2007:

• (at top rear of engine) valve lifter oil manifold (vlom) assembly
• (in right bank of exhaust pipe, ahead of catalytic converter)
• (in right bank of exhaust pipe, behind catalytic converter)
• 5 volt ref
• A/c ref pres
• A/c refrigerant pressure sensor (on high pressure line, near a/c compressor)
• Anti-lock brake system
• Computer data lines system
• Cool fan cl
• Cool fan spd
• Cooling fans system
• Cyl sol ctrl 1
• Cyl sol ctrl 2
• Cyl sol ctrl 3
• Cyl sol ctrl 4
• Del torque sig
• Ect sensor
• Engine control module (ecm) (near lower left front of engine)
• Engine coolant temperature (ect) sensor (on left front of engine block, near generator)
• Evap can
• Evaporative emission (evap) canister purge solenoid (on top of engine)
• Gen field duty
• Gen reg ctrl
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Hi spd data +
• Hi spd data -
• Ho2s heat low
• Hos2 high
• Hos2 low
• Low ref
• Manifold absolute pressure (map) sensor (top of engine)
• Map sensor
• Nca
• Pnk
• Pnp switch
• Req torque sig
• Shutoff cylinder solenoid 1, cylinder 1
• Shutoff cylinder solenoid 2, cylinder 4
• Shutoff cylinder solenoid 3, cylinder 6
• Shutoff cylinder solenoid 4, cylinder 7
• Sig high - frt
• Starting/ charging system
• Starting/charging system
• Tan
• Transmission control system

5.3L VIN M, Engine Performance Wiring Diagram (2 of 5) for GMC Envoy 2007

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (2 of 5) for GMC Envoy 2007:

• 4wd low signal
• 5 volt ref
• A/c comp cl rel
• Air conditioning system
• Anti-lock brake system
• App sensor 1
• App sensor 2
• Battery
• Brake boost vac
• Computer data lines system
• Crank fuse 17 10a
• Crank voltage
• Cruise control system
• Cruise ctrl on
• Ecm i fuse 15a
• Engine control module (ecm) (near lower left front of engine)
• Engine speed sig
• Evap can vent sol
• Fuel level sens
• Fuel pmp rel ctrl
• Fuel pump relay
• Fuel tank press
• G107 (on lower left side of engine)
• Hot at all times
• Hot in acc, run or start
• Hot in run or start
• Hot in start
• Ign 0 fuse 47 10a
• Ign 0 volt
• Ign 1 volt
• Ign e fuse 10a
• Instrument cluster system
• Low ref
• Mil ctrl
• Not used
• Pcm b fuse 10 20a
• Pnk
• Pwrtrn relay
• Rear fuse block (below left rear seat)
• Res/acc sw
• S239
• S320
• Serial data
• Set/coast sw
• Starter enable rel
• Starting/charging system
• Tan
• Tcc brake sw
• Tcm/ canister fuse 15 10a
• Transmission system
• Underhood fuse block (above left front wheelwell)
• Vss

5.3L VIN M, Engine Performance Wiring Diagram (3 of 5) for GMC Envoy 2007

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (3 of 5) for GMC Envoy 2007:

• (on power brake booster) brake booster vacuum sensor
• (top of fuel tank) fuel pump & sender assembly
• A11
• A12
• Accelerator pedal position (app) sensor (above accelerator pedal, on bracket)
• C11
• Camshaft position (cmp) sensor (at bottom front of engine)
• Crankshaft position (ckp) sensor (at right rear of engine, adjacent to starter)
• Ecm fuse 29 10a
• Eng i fuse 26 15a
• Engine speed signal
• Etc fuse 23 15a
• Evaporative emission (evap) canister vent solenoid (at rear of fuel tank)
• F10
• F11 f11
• Fuel tank pressure (ftp) sensor (at top left rear of fuel tank)
• G305 (on outside of left frame rail, near fuel tank)
• Hot at all times
• Inj a fuse 31 20a
• Inj b fuse 56 20a
• Instrument panel cluster
• Logic
• Malfunction indicator lamp
• Nca
• O2a fuse 55 10a
• O2b fuse 54 10a
• Pnk
• Pnk pnk
• Powertrain relay 60
• Red
• S112
• S306
• S359 (chassis harn, 13 cm from breakout to left clearance lamp)
• Tan
• Underhood fuse block (above left front wheelwell)

5.3L VIN M, Engine Performance Wiring Diagram (4 of 5) for GMC Envoy 2007

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (4 of 5) for GMC Envoy 2007:

• (in ignition
• (in ignition coil jumper harness, 5 cm from breakout to c109)
• (on lower left side of engine) g109
• Coil jumper harness, 5 cm from breakout to c108) s118
• Ctrl
• Engine oil pressure (eop) sensor (at rear of engine)
• Gnd
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (in left bank of exhaust pipe, ahead of catalytic converter)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (in left bank of exhaust pipe, behind catalytic converter)
• Ign
• Ignition coils
• Knock sensor (ks) 1 (lower left side of engine)
• Knock sensor (ks) 2 (right side of engine block)
• Nca
• Nca nca
• Pnk
• Red
• Ref lo
• S108
• S109
• S119
• S128
• S129
• Spark plug
• Tan
• Throttle body (front of intake duct)

5.3L VIN M, Engine Performance Wiring Diagram (5 of 5) for GMC Envoy 2007

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (5 of 5) for GMC Envoy 2007:

• 12 volt ref
• 5 volt ref
• Ckp sensor
• Cmp sensor sig
• Engine control module (ecm) (near lower left front of engine)
• Fuel inj 1
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7
• Fuel inj 8 ctrl
• Fuel injectors
• Ground
• Ho2s high
• Ho2s low
• Hos2 heat low
• Iat
• Iat sensor
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ign 1 volt
• Ks 1 sig
• Ks 2 sig
• Low ref
• Maf
• Maf sensor
• Mass air flow (maf)/intake air temperature (iat) sensor (in air intake duct)
• Oil press sens
• Pnk
• Red
• S100
• S101
• S102
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tp sensor 1
• Tp sensor 2
• Underhood fuse block (above left front wheelwell)