ENGINE PERFORMANCE – GMC Yukon Hybrid 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.8L VIN C

4.8L VIN C, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 2009

List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 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

4.8L VIN C, Engine Performance Wiring Diagram (2 of 6) for GMC Yukon Hybrid 2009

List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (2 of 6) for GMC Yukon Hybrid 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

4.8L VIN C, Engine Performance Wiring Diagram (3 of 6) for GMC Yukon Hybrid 2009

List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (3 of 6) for GMC Yukon Hybrid 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

4.8L VIN C, Engine Performance Wiring Diagram (4 of 6) for GMC Yukon Hybrid 2009

List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (4 of 6) for GMC Yukon Hybrid 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

4.8L VIN C, Engine Performance Wiring Diagram (5 of 6) for GMC Yukon Hybrid 2009

List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (5 of 6) for GMC Yukon Hybrid 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

4.8L VIN C, Engine Performance Wiring Diagram (6 of 6) for GMC Yukon Hybrid 2009

List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (6 of 6) for GMC Yukon Hybrid 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 0

5.3L VIN 0, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (2 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (3 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (4 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (5 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (6 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (2 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (3 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (4 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (5 of 6) for GMC Yukon Hybrid 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 GMC Yukon Hybrid 2009

List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (6 of 6) for GMC Yukon Hybrid 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 5

6.0L VIN 5, Engine Controls Wiring Diagram (1 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Engine Controls Wiring Diagram (1 of 6) for GMC Yukon Hybrid 2009:

• 5v ref
• Accelerator pedal position (app) sensor (accelerator pedal assembly)
• Ajar sw sig
• Anti-theft system
• B+ volt
• Bank 1 sens 1
• Bank 1 sens 2
• Camshaft position (cmp) actuator solenoid valve
• Computer data lines system
• Cooling fans system
• Data
• Ecm-batt fuse 12 10a
• Ecm-ign fuse 56 15a
• Engine control module (ecm) (left side of engine compt)
• Engine oil pressure ind
• Evaporative emission (evap) canister vent solenoid valve (on evap canister)
• Exterior lights system
• Fan rly ctrl
• Fscm fuse 21 20a
• Fuel pressure sensor
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Hood sw sig
• Hot at all times
• Hot w/ run/ crank relay energized
• Ign
• Ign coil 1 ctrl
• Ign volt
• Instrument panel cluster (ipc)
• Ipc fuse 46 10a
• J365
• Knock sens sig
• Knock sensor (ks) 1 (left side of engine)
• Knock sensor (ks) 2 (right side of engine)
• Level sens sig
• Logic
• Low ref
• Mil ctrl
• Mil ind
• Nca
• Pedal sw sig
• Phasor ctrl
• Pnk
• Power distribution system
• Press sens sig
• Pump rly ctrl
• Rly coil ctrl
• Sens 1 sig
• Sens 2 sig
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tcm-batt fuse 14 10a
• Underhood fuse block (left side of engine compt)
• Vent sol ctrl
• Wake-up sig

6.0L VIN 5, Engine Controls Wiring Diagram (2 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Engine Controls Wiring Diagram (2 of 6) for GMC Yukon Hybrid 2009:

• Computer data lines system
• Data bus +
• Data bus -
• Extension shield
• Fuel pump flow control module
• G102 (lower left front of engine)
• G300 (on 2nd body mount)
• Gnd
• Ign volt
• Ignition coils (left side of engine)
• J107
• J108
• J109 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• J300
• Lines system computer data
• Low ref
• Nca
• Pnk
• Pnk d
• Pump ctrl
• Ref volt
• Relay ctrl
• Sens sig
• Serial data
• Spark plug
• Tan

6.0L VIN 5, Engine Controls Wiring Diagram (3 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Engine Controls Wiring Diagram (3 of 6) for GMC Yukon Hybrid 2009:

• (chassis harness, 5 cm into breakout to fuel pump flow control module) j364
• (on primary fuel pump assembly) primary fuel pump & sender assembly
• (short whee base: fuel pump & sender assembly) (long whee base: secondary fuel pump & sender assembly) fuel tank pressure (ftp) sensor
• G102 (lower left front of engine)
• Ignition coils (right side of engine)
• J108
• J110
• J112 (ignition coil jumper harness, approximately 5 cm from c111 breakout)
• J331 (chassis harness)
• Nca
• Pnk
• Pnk d
• Spark plug
• Tan

6.0L VIN 5, Engine Controls Wiring Diagram (4 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Engine Controls Wiring Diagram (4 of 6) for GMC Yukon Hybrid 2009:

• 5v ref
• Bank 1 sens 1
• Bank 2 sens 1
• Ecm/throt cont fuse 5 15a
• Eng fuse 4 15a
• Engine control module (ecm) (left side of engine compt)
• G103 (front of right cylinder head)
• Gnd
• Hot at all times
• Iat sens sig
• 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
• Ign volt
• Inj-a fuse 24 20a
• Inj-b fuse 13 20a
• Injector 1 ctrl
• Injector 2 ctrl
• Injector 3 ctrl
• Injector 4 ctrl
• Injector 5 ctrl
• Injector 6 ctrl
• Injector 7 ctrl
• Injector 8 ctrl
• J157
• Low ref
• Maf sens sig
• O2-a snsr fuse 18 10a
• O2-b snsr fuse 8 10a
• Pnk
• Pos sens sig
• Press sens sig
• Pwr/ trn relay
• Sens 1 sig
• Sens 2 sig
• Tan
• Underhood fuse block (left side of engine compt)

6.0L VIN 5, Engine Controls Wiring Diagram (5 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Engine Controls Wiring Diagram (5 of 6) for GMC Yukon Hybrid 2009:

• (front of intake manifold) throttle body
• (right rear of engine) crankshaft position (ckp) sensor
• (top rear of engine) engine oil pressure (eop) sensor
• Camshaft position (cmp) sensor (lower front of engine)
• Drive motor generator power inverter module (right side of engine compt)
• Fuel injectors (top left of engine)
• Fuel injectors (top right of engine)
• G103 (front of right cylinder head)
• Iat
• J106
• J153
• J154
• Low ref
• Maf
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt)
• Pnk
• Pos sens sig
• Tan

6.0L VIN 5, Engine Controls Wiring Diagram (6 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Engine Controls Wiring Diagram (6 of 6) for GMC Yukon Hybrid 2009:

• (front of right cylinder head) g103
• (or 821)
• (top left of engine) evaporative emission (evap) canister purge solenoid valve
• 1 shutoff sol
• 4 shutoff sol
• 5v ref
• 6 shutoff sol
• 7 shutoff sol
• Air conditioning system
• Bank 2 sens 1
• Bank 2 sens 2
• Barometric pressure (baro) sensor (left side of engine compt)
• Computer data lines system
• Cooling fans system
• Cruise control system
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 2
• Cylinder shutoff solenoid 3
• Cylinder shutoff solenoid 4
• Data bus +
• Data bus -
• Ect sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Fan rly ctrl
• Gnd
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Hybrid system circuit
• J157
• Low ref
• Manifold absolute pressure (map) sensor (top rear of engine)
• Map sens sig
• Nca
• Pnk
• Press sens sig
• Ptlan +
• Ptlan -
• Pump mtr gnd
• Purge sol ctrl
• Tan
• Transmissions & cruise control systems
• Valve lifter oil manifold (vlom) assembly (rear of engine)
• Vss sig (or) vss high sig vss low sig

6.0L VIN 5, Hybrid System Wiring Diagram (1 of 5) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Hybrid System Wiring Diagram (1 of 5) for GMC Yukon Hybrid 2009:

• (5 cm (2 in) from breakout to drive motor generator power inverter module x1)
• (engine harness, in breakout to drive motor generator power inverter module x6)
• (left front of engine compt) engine control module (ecm)
• 1st position drive motor (w/ generator assembly)
• 2nd position drive motor (w/ generator assembly)
• Automatic transmi- ssion internal mode switch (ims)
• Automatic transmission
• Automatic transmission auxiliary fluid pump control module (left side of engine compt)
• Auxiliary fuse block (left side of engine compt)
• B+ nca
• Bare
• Circuit 1
• Circuit 2
• Circuit excitation
• Computer data lines system
• Contactor ctrl
• Control solenoid valve asse- mbly
• Drain wire nca
• Drive motor generator power inverter module (right side of engine compt)
• Engine controls circuit
• Excitation circuit
• Fluid pump
• Fluid pump nca
• G103 (front of right cylinder head)
• Gnd nca
• High voltage
• Hot at all times
• Ign nca
• Ign volt
• Inter mode gnd
• Inter mode r1
• Inter mode r2
• Inter mode r3
• Inter mode r4
• Inter mode s
• J151
• J156
• Low reference
• Mega fuse 200a
• Mtr a s1 sig
• Mtr a s2 sig
• Mtr a s3 sig
• Mtr a s4 sig
• Mtr b s1 sig
• Mtr b s2 sig
• Mtr b s3 sig
• Mtr b s4 sig
• Nca
• Phase a nca
• Phase b nca
• Phase c nca
• Pim 1 fuse 8 15a
• Pim 2 fuse 9 15a
• Pnk
• Pos sens sig
• Ptlan+
• Ptlan-
• Pump ctrl
• Pump ctrl nca
• Red
• Resol mtr a+
• Resol mtr b+
• Resol mtr b-
• Sens b rtn
• Ser data bus+
• Ser data bus-
• Tan
• Temp sens a
• Temp sens b
• Trans pump fuse 60a
• Transmission control module (tcm)
• Wake up sig
• X176

6.0L VIN 5, Hybrid System Wiring Diagram (2 of 5) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Hybrid System Wiring Diagram (2 of 5) for GMC Yukon Hybrid 2009:

• (w/ active two speed push button control transfer case)
• 300v+
• 300v-
• 42v+
• 42v-
• A/c compressor (right front of engine)
• Accessory dc power control module (top of engine)
• Automatic transmission auxiliary fluid pump under front of (transmission)
• Bare
• Body control module (bcm) (left side of dash)
• Computer data lines system
• Drive motor generator power inverter module (right side of engine compt)
• Electronic brake control module (ebcm) (left rear frame rail)
• Electronic power steering motor control module (under drive motor generator power inverter module)
• G112
• Gnd
• Hot w/ run/crank relay energized
• Ign volt
• J155 (engine harness, approximately 32.5 cm from breakout to fuse block - auxiliary)
• Phase u
• Phase v
• Phase w
• Pnk
• Power distribution system
• Ptlan+
• Ptlan-
• Red
• Shield
• Trans ign 1 fuse 19 15a
• Underhood fuse block (left side of engine compt)
• Up sig
• X10
• X11
• X12

6.0L VIN 5, Hybrid System Wiring Diagram (3 of 5) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Hybrid System Wiring Diagram (3 of 5) for GMC Yukon Hybrid 2009:

• Auxiliary fuse block (left side of engine compt)
• Battery module
• Becm fuse 10 15a
• Computer data lines system
• Drive motor generator battery
• Drive motor generator battery control module
• Driver motor generator power inverter module cover
• Gnd
• Hot at all times
• Monitor 1
• Monitor 10
• Monitor 11
• Monitor 12
• Monitor 13
• Monitor 14
• Monitor 15
• Monitor 16
• Monitor 17
• Monitor 18
• Monitor 19
• Monitor 2
• Monitor 20
• Monitor 3
• Monitor 4
• Monitor 5
• Monitor 6
• Monitor 7
• Monitor 8
• Monitor 9
• Pnk
• Red
• To drive motor battery high voltage manual disconnect lever (diagram 4 of 5)
• To drive motor battery positive high voltage contactor relay (diagram 4 of 5)
• Transmission power inverter module (3 phase) cable cover

6.0L VIN 5, Hybrid System Wiring Diagram (4 of 5) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Hybrid System Wiring Diagram (4 of 5) for GMC Yukon Hybrid 2009:

• 5-volt ref
• Computer data lines system
• Ctrl sig
• Data bus +
• Data bus -
• Drive motor battery cable terminal extension cover
• Drive motor battery current sensor
• Drive motor battery high voltage manual disconnect lever
• Drive motor battery inverter current limit resistor
• Drive motor battery positive high voltage contactor relay
• Drive motor generator battery
• Drive motor generator battery control module
• Drive motor power inverter current limit relay
• From battery module (diagram 3 of 5)
• Fuse 125a
• G302 (under front passenger's seat)
• G311
• G312
• Gnd
• High voltage
• J302
• Nca
• Pnk
• Red
• Relay ctrl
• Ser data com
• Tan
• To drive motor generator battery control module (diagram 5 of 5)
• To generator battery vent fan (diagram 5 of 5)
• To generator battery vent fan relay (diagram 5 of 5)
• Wake up sig
• X350

6.0L VIN 5, Hybrid System Wiring Diagram (5 of 5) for GMC Yukon Hybrid 2009

List of elements for 6.0L VIN 5, Hybrid System Wiring Diagram (5 of 5) for GMC Yukon Hybrid 2009:

• (diagram 4 of 5)
• (right front of engine compt) g100
• 5-volt ref
• Air inlet drive motor battery temperature sensor
• Air outlet drive motor battery temperature sensor
• Auxiliary fuse block (left side of engine compt)
• Becm fan fuse 2 15a
• Cool pump fuse 6 15a
• Cool pump relay
• Drive motor battery temperature sensor 1
• Drive motor battery temperature sensor 2
• Drive motor battery temperature sensor 3
• Drive motor battery temperature sensor 4
• Drive motor generator battery
• Drive motor generator battery control module
• Engine control module (ecm) (left front of engine compt)
• From drive motor battery current sensor (diagram 4 of 5)
• From drive motor battery current sensor h
• From drive motor battery current sensor j
• From drive motor generator battery control module (diagram 4 of 5)
• G101 (lower right radiator support)
• G311
• Generator battery vent fan
• Generator battery vent fan relay
• Generator control module temperature sensor (right front of engine compt)
• Ground
• Hot at all times
• J164
• J395
• Left generator control module coolant pump (left front of engine compt)
• Low ref
• Mtr pwr feed
• Not used
• Pump mtr gnd
• Red
• Right generator control module coolant pump (center front of engine compt)
• Sens 1 rtn
• Sens 1 sig
• Sens 2 rtn
• Sens 2 sig
• Sens 3 rtn
• Sens 3 sig
• Sens 4 rtn
• Sens 4 sig
• Sens ref
• Sens rtn
• Sens sig
• X350

6.2L VIN 2

6.2L VIN 2, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.2L VIN 2, Engine Performance Wiring Diagram (1 of 6) for GMC Yukon Hybrid 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

6.2L VIN 2, Engine Performance Wiring Diagram (2 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.2L VIN 2, Engine Performance Wiring Diagram (2 of 6) for GMC Yukon Hybrid 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

6.2L VIN 2, Engine Performance Wiring Diagram (3 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.2L VIN 2, Engine Performance Wiring Diagram (3 of 6) for GMC Yukon Hybrid 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

6.2L VIN 2, Engine Performance Wiring Diagram (4 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.2L VIN 2, Engine Performance Wiring Diagram (4 of 6) for GMC Yukon Hybrid 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

6.2L VIN 2, Engine Performance Wiring Diagram (5 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.2L VIN 2, Engine Performance Wiring Diagram (5 of 6) for GMC Yukon Hybrid 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

6.2L VIN 2, Engine Performance Wiring Diagram (6 of 6) for GMC Yukon Hybrid 2009

List of elements for 6.2L VIN 2, Engine Performance Wiring Diagram (6 of 6) for GMC Yukon Hybrid 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