ENGINE PERFORMANCE – Chevrolet Avalanche 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.3L VIN 0

5.3L VIN 0, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009:

• (in chassis harness) j331
• 5v ref
• Accelerator pedal position (app) sensor (accelerator pedal assembly)
• Air conditioning system
• Bank 1 sens 2
• Bare
• Brake sw sig
• Computer data lines system
• Cooling fans system
• Data bus +
• Data bus -
• Engine control module (ecm) (left side of engine compt)
• Extension shld
• Exterior lights system
• Fan rly ctrl
• Fuel pressure sensor
• Fuel pump flow control module
• Fuel tank pressure (ftp) sensor (short wheel base: fuel pump & sender assembly) (long wheel base: secondary fuel pump & sender assembly)
• G103 (front of right cylinder head)
• G300 (on 2nd body mount)
• Gnd
• Iat sens sig
• Ign volt
• Ign voltage
• J106
• J300
• J364 (chassis harness, 5 cm into breakout to fuel pump flow control module)
• Level sens sig
• Lines system computer data
• Low ref
• Maf
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt)
• P/n sig
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Primary fuel pump & sender assembly (primary fuel pump assembly)
• Pump ctrl
• Ref volt
• Relay ctrl
• Sens sig
• Serial data
• Tan
• Tan a
• Transmissions system

5.3L VIN 0, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) underhood fuse block
• (not used) x300
• (or 821)
• 5v ref
• Air conditioning system
• Aux hvac- ign fuse 48 1oa
• Bank 1 sens 2
• Bank 2 sens 2
• Clutch rly ctrl
• Cooling fans system
• Cruise control system
• Ecm- batt fuse 12 10a
• Ecm- ign fuse 56 15a
• Ecm/throt cont fuse 5 15a
• Enable rly ctrl
• Eng fuse 4 15a
• Engine control module (ecm) (left side of engine compt)
• Evaporative emission (evap) canister vent solenoid valve (on evap canister)
• Fan rly ctrl
• Fscm fuse 21 20a
• G103 (front of right cylinder head)
• Ground
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Hot at all times
• Hot w/ run/ crank relay energized
• Ign
• Inj-a fuse 24 20a
• Inj-b fuse 13 20a
• Ipc fuse 46 10a
• J106
• J219 (w/ steering wheel heater)
• Maf sens sig
• Mil ctrl
• Nca
• O2-a snsr fuse 18 10a
• O2-b snsr fuse 8 10a
• Pnk
• Power distribution system
• Pump rly ctrl
• Pwr/ trn relay
• Rly coil ctrl
• Sig return
• Speed sig
• Starting/ charging system
• Tan
• Tcm- batt fuse 14 15a
• Tos sig
• Transmissions & cruise control systems
• Vent sol ctrl

5.3L VIN 0, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009:

• (6.0l & 6.2l) camshaft position (cmp) actuator solenoid valve
• (left end of dash) left i/p junction block
• (lower right of oil pan) oil level switch
• Brake fluid level switch (brake fluid reservoir)
• Cadillac
• Computer data lines system
• Engine oil pressure ind
• Fuel injectors (top left of engine)
• Fuel injectors (top right of engine)
• G103 (front of right cylinder head)
• G201 (left end of dash)
• Gmc/chevrolet
• Gnd
• Ign
• Instrument panel cluster (ipc)
• Logic
• Malfunction indicator lamp
• Pnk
• Pnk a
• Serial data
• Tan
• Tan b

5.3L VIN 0, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) engine control module (ecm)
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Camshaft position (cmp) sensor (lower front of engine)
• Crankshaft position (ckp) sensor (right rear of engine)
• Duty cycle sig
• Ect sens sig
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Engine oil pressure (eop) sensor (top rear of engine)
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Knock sensor (ks) 1 (left side of engine)
• Knock sensor (ks) 2 (right side of engine)
• Low ref
• Manifold absolute pressure (map) sensor (top rear of engine)
• Nca
• Oil level sw
• Pnk
• Purge sol ctrl
• Sens 1 sig
• Sens 2 sig
• Sol ctrl
• Sol ctrl 1
• Sol ctrl 2
• Sol ctrl 3
• Sol ctrl 4
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan

5.3L VIN 0, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009:

• (front of intake manifold) throttle body
• (top left of engine) evaporative emission (evap) canister purge solenoid valve
• A pnk
• G102 (lower left front of engine)
• Ignition coils (left side of engine)
• J107
• J108
• J109 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Nca
• Pnk
• Pnk d
• Spark plug
• Tan

5.3L VIN 0, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009:

• (rear of engine) (except 6.2l & 4.8l) valve lifter oil manifold (vlom) assembly
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Charge ind sig
• Ckp sens sig
• Cmp sens sig
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 2
• Cylinder shutoff solenoid 3
• Cylinder shutoff solenoid 4
• E pnk
• Engine control module (ecm) (left side of engine compt)
• G102 (lower left front of engine)
• Ign coil 1 ctrl
• Ign coil 2 ctrl
• Ign coil 3 ctrl
• Ign coil 4 ctrl
• Ign coil 5 ctrl
• Ign coil 6 ctrl
• Ign coil 7 ctrl
• Ign coil 8 ctrl
• Ignition coils (right side of engine)
• J108
• J110
• J112 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Low ref
• Map sens sig
• Nca
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Spark plug
• Starting/charging system
• Tan

5.3L VIN 3

5.3L VIN 3, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 3, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009:

• (in chassis harness) j331
• 5v ref
• Accelerator pedal position (app) sensor (accelerator pedal assembly)
• Air conditioning system
• Bank 1 sens 2
• Bare
• Brake sw sig
• Computer data lines system
• Cooling fans system
• Data bus +
• Data bus -
• Engine control module (ecm) (left side of engine compt)
• Extension shld
• Exterior lights system
• Fan rly ctrl
• Fuel pressure sensor
• Fuel pump flow control module
• Fuel tank pressure (ftp) sensor (short wheel base: fuel pump & sender assembly) (long wheel base: secondary fuel pump & sender assembly)
• G103 (front of right cylinder head)
• G300 (on 2nd body mount)
• Gnd
• Iat sens sig
• Ign volt
• Ign voltage
• J106
• J300
• J364 (chassis harness, 5 cm into breakout to fuel pump flow control module)
• Level sens sig
• Lines system computer data
• Low ref
• Maf
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt)
• P/n sig
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Primary fuel pump & sender assembly (primary fuel pump assembly)
• Pump ctrl
• Ref volt
• Relay ctrl
• Sens sig
• Serial data
• Tan
• Tan a
• Transmissions system

5.3L VIN 3, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 3, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) underhood fuse block
• (not used) x300
• (or 821)
• 5v ref
• Air conditioning system
• Aux hvac- ign fuse 48 1oa
• Bank 1 sens 2
• Bank 2 sens 2
• Clutch rly ctrl
• Cooling fans system
• Cruise control system
• Ecm- batt fuse 12 10a
• Ecm- ign fuse 56 15a
• Ecm/throt cont fuse 5 15a
• Enable rly ctrl
• Eng fuse 4 15a
• Engine control module (ecm) (left side of engine compt)
• Evaporative emission (evap) canister vent solenoid valve (on evap canister)
• Fan rly ctrl
• Fscm fuse 21 20a
• G103 (front of right cylinder head)
• Ground
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Hot at all times
• Hot w/ run/ crank relay energized
• Ign
• Inj-a fuse 24 20a
• Inj-b fuse 13 20a
• Ipc fuse 46 10a
• J106
• J219 (w/ steering wheel heater)
• Maf sens sig
• Mil ctrl
• Nca
• O2-a snsr fuse 18 10a
• O2-b snsr fuse 8 10a
• Pnk
• Power distribution system
• Pump rly ctrl
• Pwr/ trn relay
• Rly coil ctrl
• Sig return
• Speed sig
• Starting/ charging system
• Tan
• Tcm- batt fuse 14 15a
• Tos sig
• Transmissions & cruise control systems
• Vent sol ctrl

5.3L VIN 3, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 3, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009:

• (6.0l & 6.2l) camshaft position (cmp) actuator solenoid valve
• (left end of dash) left i/p junction block
• (lower right of oil pan) oil level switch
• Brake fluid level switch (brake fluid reservoir)
• Cadillac
• Computer data lines system
• Engine oil pressure ind
• Fuel injectors (top left of engine)
• Fuel injectors (top right of engine)
• G103 (front of right cylinder head)
• G201 (left end of dash)
• Gmc/chevrolet
• Gnd
• Ign
• Instrument panel cluster (ipc)
• Logic
• Malfunction indicator lamp
• Pnk
• Pnk a
• Serial data
• Tan
• Tan b

5.3L VIN 3, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 3, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) engine control module (ecm)
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Camshaft position (cmp) sensor (lower front of engine)
• Crankshaft position (ckp) sensor (right rear of engine)
• Duty cycle sig
• Ect sens sig
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Engine oil pressure (eop) sensor (top rear of engine)
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Knock sensor (ks) 1 (left side of engine)
• Knock sensor (ks) 2 (right side of engine)
• Low ref
• Manifold absolute pressure (map) sensor (top rear of engine)
• Nca
• Oil level sw
• Pnk
• Purge sol ctrl
• Sens 1 sig
• Sens 2 sig
• Sol ctrl
• Sol ctrl 1
• Sol ctrl 2
• Sol ctrl 3
• Sol ctrl 4
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan

5.3L VIN 3, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 3, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009:

• (front of intake manifold) throttle body
• (top left of engine) evaporative emission (evap) canister purge solenoid valve
• A pnk
• G102 (lower left front of engine)
• Ignition coils (left side of engine)
• J107
• J108
• J109 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Nca
• Pnk
• Pnk d
• Spark plug
• Tan

5.3L VIN 3, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN 3, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009:

• (rear of engine) (except 6.2l & 4.8l) valve lifter oil manifold (vlom) assembly
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Charge ind sig
• Ckp sens sig
• Cmp sens sig
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 2
• Cylinder shutoff solenoid 3
• Cylinder shutoff solenoid 4
• E pnk
• Engine control module (ecm) (left side of engine compt)
• G102 (lower left front of engine)
• Ign coil 1 ctrl
• Ign coil 2 ctrl
• Ign coil 3 ctrl
• Ign coil 4 ctrl
• Ign coil 5 ctrl
• Ign coil 6 ctrl
• Ign coil 7 ctrl
• Ign coil 8 ctrl
• Ignition coils (right side of engine)
• J108
• J110
• J112 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Low ref
• Map sens sig
• Nca
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Spark plug
• Starting/charging system
• Tan

5.3L VIN J

5.3L VIN J, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009:

• (in chassis harness) j331
• 5v ref
• Accelerator pedal position (app) sensor (accelerator pedal assembly)
• Air conditioning system
• Bank 1 sens 2
• Bare
• Brake sw sig
• Computer data lines system
• Cooling fans system
• Data bus +
• Data bus -
• Engine control module (ecm) (left side of engine compt)
• Extension shld
• Exterior lights system
• Fan rly ctrl
• Fuel pressure sensor
• Fuel pump flow control module
• Fuel tank pressure (ftp) sensor (short wheel base: fuel pump & sender assembly) (long wheel base: secondary fuel pump & sender assembly)
• G103 (front of right cylinder head)
• G300 (on 2nd body mount)
• Gnd
• Iat sens sig
• Ign volt
• Ign voltage
• J106
• J300
• J364 (chassis harness, 5 cm into breakout to fuel pump flow control module)
• Level sens sig
• Lines system computer data
• Low ref
• Maf
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt)
• P/n sig
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Primary fuel pump & sender assembly (primary fuel pump assembly)
• Pump ctrl
• Ref volt
• Relay ctrl
• Sens sig
• Serial data
• Tan
• Tan a
• Transmissions system

5.3L VIN J, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) underhood fuse block
• (not used) x300
• (or 821)
• 5v ref
• Air conditioning system
• Aux hvac- ign fuse 48 1oa
• Bank 1 sens 2
• Bank 2 sens 2
• Clutch rly ctrl
• Cooling fans system
• Cruise control system
• Ecm- batt fuse 12 10a
• Ecm- ign fuse 56 15a
• Ecm/throt cont fuse 5 15a
• Enable rly ctrl
• Eng fuse 4 15a
• Engine control module (ecm) (left side of engine compt)
• Evaporative emission (evap) canister vent solenoid valve (on evap canister)
• Fan rly ctrl
• Fscm fuse 21 20a
• G103 (front of right cylinder head)
• Ground
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Hot at all times
• Hot w/ run/ crank relay energized
• Ign
• Inj-a fuse 24 20a
• Inj-b fuse 13 20a
• Ipc fuse 46 10a
• J106
• J219 (w/ steering wheel heater)
• Maf sens sig
• Mil ctrl
• Nca
• O2-a snsr fuse 18 10a
• O2-b snsr fuse 8 10a
• Pnk
• Power distribution system
• Pump rly ctrl
• Pwr/ trn relay
• Rly coil ctrl
• Sig return
• Speed sig
• Starting/ charging system
• Tan
• Tcm- batt fuse 14 15a
• Tos sig
• Transmissions & cruise control systems
• Vent sol ctrl

5.3L VIN J, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009:

• (6.0l & 6.2l) camshaft position (cmp) actuator solenoid valve
• (left end of dash) left i/p junction block
• (lower right of oil pan) oil level switch
• Brake fluid level switch (brake fluid reservoir)
• Cadillac
• Computer data lines system
• Engine oil pressure ind
• Fuel injectors (top left of engine)
• Fuel injectors (top right of engine)
• G103 (front of right cylinder head)
• G201 (left end of dash)
• Gmc/chevrolet
• Gnd
• Ign
• Instrument panel cluster (ipc)
• Logic
• Malfunction indicator lamp
• Pnk
• Pnk a
• Serial data
• Tan
• Tan b

5.3L VIN J, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) engine control module (ecm)
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Camshaft position (cmp) sensor (lower front of engine)
• Crankshaft position (ckp) sensor (right rear of engine)
• Duty cycle sig
• Ect sens sig
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Engine oil pressure (eop) sensor (top rear of engine)
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Knock sensor (ks) 1 (left side of engine)
• Knock sensor (ks) 2 (right side of engine)
• Low ref
• Manifold absolute pressure (map) sensor (top rear of engine)
• Nca
• Oil level sw
• Pnk
• Purge sol ctrl
• Sens 1 sig
• Sens 2 sig
• Sol ctrl
• Sol ctrl 1
• Sol ctrl 2
• Sol ctrl 3
• Sol ctrl 4
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan

5.3L VIN J, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009:

• (front of intake manifold) throttle body
• (top left of engine) evaporative emission (evap) canister purge solenoid valve
• A pnk
• G102 (lower left front of engine)
• Ignition coils (left side of engine)
• J107
• J108
• J109 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Nca
• Pnk
• Pnk d
• Spark plug
• Tan

5.3L VIN J, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009:

• (rear of engine) (except 6.2l & 4.8l) valve lifter oil manifold (vlom) assembly
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Charge ind sig
• Ckp sens sig
• Cmp sens sig
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 2
• Cylinder shutoff solenoid 3
• Cylinder shutoff solenoid 4
• E pnk
• Engine control module (ecm) (left side of engine compt)
• G102 (lower left front of engine)
• Ign coil 1 ctrl
• Ign coil 2 ctrl
• Ign coil 3 ctrl
• Ign coil 4 ctrl
• Ign coil 5 ctrl
• Ign coil 6 ctrl
• Ign coil 7 ctrl
• Ign coil 8 ctrl
• Ignition coils (right side of engine)
• J108
• J110
• J112 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Low ref
• Map sens sig
• Nca
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Spark plug
• Starting/charging system
• Tan

6.0L VIN Y

6.0L VIN Y, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009

List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Avalanche 2009:

• (in chassis harness) j331
• 5v ref
• Accelerator pedal position (app) sensor (accelerator pedal assembly)
• Air conditioning system
• Bank 1 sens 2
• Bare
• Brake sw sig
• Computer data lines system
• Cooling fans system
• Data bus +
• Data bus -
• Engine control module (ecm) (left side of engine compt)
• Extension shld
• Exterior lights system
• Fan rly ctrl
• Fuel pressure sensor
• Fuel pump flow control module
• Fuel tank pressure (ftp) sensor (short wheel base: fuel pump & sender assembly) (long wheel base: secondary fuel pump & sender assembly)
• G103 (front of right cylinder head)
• G300 (on 2nd body mount)
• Gnd
• Iat sens sig
• Ign volt
• Ign voltage
• J106
• J300
• J364 (chassis harness, 5 cm into breakout to fuel pump flow control module)
• Level sens sig
• Lines system computer data
• Low ref
• Maf
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt)
• P/n sig
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Primary fuel pump & sender assembly (primary fuel pump assembly)
• Pump ctrl
• Ref volt
• Relay ctrl
• Sens sig
• Serial data
• Tan
• Tan a
• Transmissions system

6.0L VIN Y, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009

List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) underhood fuse block
• (not used) x300
• (or 821)
• 5v ref
• Air conditioning system
• Aux hvac- ign fuse 48 1oa
• Bank 1 sens 2
• Bank 2 sens 2
• Clutch rly ctrl
• Cooling fans system
• Cruise control system
• Ecm- batt fuse 12 10a
• Ecm- ign fuse 56 15a
• Ecm/throt cont fuse 5 15a
• Enable rly ctrl
• Eng fuse 4 15a
• Engine control module (ecm) (left side of engine compt)
• Evaporative emission (evap) canister vent solenoid valve (on evap canister)
• Fan rly ctrl
• Fscm fuse 21 20a
• G103 (front of right cylinder head)
• Ground
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Hot at all times
• Hot w/ run/ crank relay energized
• Ign
• Inj-a fuse 24 20a
• Inj-b fuse 13 20a
• Ipc fuse 46 10a
• J106
• J219 (w/ steering wheel heater)
• Maf sens sig
• Mil ctrl
• Nca
• O2-a snsr fuse 18 10a
• O2-b snsr fuse 8 10a
• Pnk
• Power distribution system
• Pump rly ctrl
• Pwr/ trn relay
• Rly coil ctrl
• Sig return
• Speed sig
• Starting/ charging system
• Tan
• Tcm- batt fuse 14 15a
• Tos sig
• Transmissions & cruise control systems
• Vent sol ctrl

6.0L VIN Y, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009

List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Avalanche 2009:

• (6.0l & 6.2l) camshaft position (cmp) actuator solenoid valve
• (left end of dash) left i/p junction block
• (lower right of oil pan) oil level switch
• Brake fluid level switch (brake fluid reservoir)
• Cadillac
• Computer data lines system
• Engine oil pressure ind
• Fuel injectors (top left of engine)
• Fuel injectors (top right of engine)
• G103 (front of right cylinder head)
• G201 (left end of dash)
• Gmc/chevrolet
• Gnd
• Ign
• Instrument panel cluster (ipc)
• Logic
• Malfunction indicator lamp
• Pnk
• Pnk a
• Serial data
• Tan
• Tan b

6.0L VIN Y, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009

List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Avalanche 2009:

• (left side of engine compt) engine control module (ecm)
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Camshaft position (cmp) sensor (lower front of engine)
• Crankshaft position (ckp) sensor (right rear of engine)
• Duty cycle sig
• Ect sens sig
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Engine oil pressure (eop) sensor (top rear of engine)
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Knock sensor (ks) 1 (left side of engine)
• Knock sensor (ks) 2 (right side of engine)
• Low ref
• Manifold absolute pressure (map) sensor (top rear of engine)
• Nca
• Oil level sw
• Pnk
• Purge sol ctrl
• Sens 1 sig
• Sens 2 sig
• Sol ctrl
• Sol ctrl 1
• Sol ctrl 2
• Sol ctrl 3
• Sol ctrl 4
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan

6.0L VIN Y, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009

List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Avalanche 2009:

• (front of intake manifold) throttle body
• (top left of engine) evaporative emission (evap) canister purge solenoid valve
• A pnk
• G102 (lower left front of engine)
• Ignition coils (left side of engine)
• J107
• J108
• J109 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Nca
• Pnk
• Pnk d
• Spark plug
• Tan

6.0L VIN Y, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009

List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Avalanche 2009:

• (rear of engine) (except 6.2l & 4.8l) valve lifter oil manifold (vlom) assembly
• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Charge ind sig
• Ckp sens sig
• Cmp sens sig
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 2
• Cylinder shutoff solenoid 3
• Cylinder shutoff solenoid 4
• E pnk
• Engine control module (ecm) (left side of engine compt)
• G102 (lower left front of engine)
• Ign coil 1 ctrl
• Ign coil 2 ctrl
• Ign coil 3 ctrl
• Ign coil 4 ctrl
• Ign coil 5 ctrl
• Ign coil 6 ctrl
• Ign coil 7 ctrl
• Ign coil 8 ctrl
• Ignition coils (right side of engine)
• J108
• J110
• J112 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• Low ref
• Map sens sig
• Nca
• Pnk
• Pnk d
• Pos sens 1 sig
• Pos sens 2 sig
• Press sens sig
• Spark plug
• Starting/charging system
• Tan