ENGINE PERFORMANCE – Chevrolet HHR LT 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO VIN X

2.0L Turbo VIN X, Engine Performance Wiring Diagram (1 of 4) for Chevrolet HHR LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (1 of 4) for Chevrolet HHR LT 2009:

• (on turbocharger) turbocharger wastegate solenoid
• (top front of engine) exhaust camshaft position (cmp) actuator solenoid
• (top front of engine) intake camshaft position (cmp) actuator solenoid
• (top left side of engine) turbocharger bypass valve solenoid
• 5 volt ref 1
• 5 volt ref 3
• 5-volt ref 2
• Body control module (bcm) (under center dash, below radio, on right side of center console)
• Boost gauge sig
• Ckp sens sig
• Clstr fuse 7 10a
• Cmp exhaust sens sig
• Cmp intake sens sig
• Computer data lines system
• Crnk sns sply volt
• Dfi hi volt ctrl cyl 1
• Dfi hi volt ctrl cyl 2
• Dfi hi volt ctrl cyl 3
• Dfi hi volt ctrl cyl 4
• Dfi hi volt sply cyl 2
• Dfi hi volt sply cyl 3
• Dfi hi volt sply cyl 4
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Engine oil ind
• Engine oil pressure (eop) switch (left side of engine, above starter solenoid)
• Evap cnstr purge sol ctrl
• Exhaust sol ctrl
• Frp sens sig
• Fuel injectors (above cylinder)
• Fuel rail pressure (fpr) sensor (top front of cylinder head)
• Gen field duty cycle sig
• Generator turn on sig
• Hi press fuel pump actr hi ctrl
• High pressure fuel pump (top rear of engine)
• Hot at all times
• Ic 1 ctrl
• Ic 4 ctrl
• Instrument panel cluster (ipc)
• Intake sol ctrl
• J121
• Knock sensor (ks) 1 (left rear of engine)
• Knock sensor (ks) 2 (left side of engine)
• Ks 1 sig
• Ks 2 sig
• Lo spd gmlan serial data
• Logic
• Low ref
• Mal- function ind
• Map sens sig
• Mil ctrl
• Oil press sw sig
• Power distribution system
• Sig gauge boost
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Turbo bypass vlv ctrl
• Turbo charger boost gage (2.0l w/o multiple info display)
• Up shift ind
• Wastegate sol ctrl

2.0L Turbo VIN X, Engine Performance Wiring Diagram (2 of 4) for Chevrolet HHR LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (2 of 4) for Chevrolet HHR LT 2009:

• (a/t) j206
• (on top of engine) ignition coils
• (tmap) air press sig air temp and press
• (tmap) temp sig air temp and press
• 5 volt ref 1
• Acc
• Acc voltage
• Actr lo ctrl
• Body control module (bcm) (under center dash, below radio, on right side of center console)
• Crankshaft position (ckp) sensor (above starter motor)
• Direct fuel injector (dfi)
• Ecm/tcm fuse 25 10a
• Ect sens sig
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• G108 (right rear of engine block)
• Heated oxygen sens
• Hi press fuel pump
• Hi vol sply cyl 1
• Ho2s 1 heater low ctrl
• Ho2s hi sig sens 1
• Ho2s lo sig sens 1
• Ho2s pump current sens 1
• Hot at all times
• Ic 2 ctrl
• Ic 3 ctrl
• Ignition switch
• In pump current sens 1
• J117
• J123
• J124
• Ks 1 sig
• Ks 2 sig
• Lo ref
• Logic
• Low ref
• Manifold absolute pressure (map) sensor (top left side of engine)
• Nca
• Off
• Power distribution system
• Pre-throttle
• Rly coil ctrl
• Run
• Spark plug
• Start
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

2.0L Turbo VIN X, Engine Performance Wiring Diagram (3 of 4) for Chevrolet HHR LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (3 of 4) for Chevrolet HHR LT 2009:

• (in engine harness)
• (left side of engine) evaporative emission (evap) canister purge solenoid valve
• (not used)
• (under right tail/stop & turn signal light) g402
• A/c refrigerant pressure sensor (on a/c line, near compressor)
• A11
• B10
• Brake booster vacuum sensor (4 speed a/t, w/ late production)
• C12
• Cnstr vent fuse 64 10a
• Ecm fuse 41 20a
• Engine coolant temperature (ect) sensor (right rear of engine)
• Exh fuse 33 10a
• Exhaust camshaft position (cmp) sensor (right rear of cylinder head)
• F12
• Fuel level sensor
• Fuel pump
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump fuse 13 15a
• Fuel pump relay 19
• G109 (on left front shock tower)
• Heated oxygen sensor (ho2s) 1 (right side of engine, in exhaust manifold)
• Hot at all times
• Inj ign mdl fuse 45 15a
• Intake air pressure & temperature sensor
• Intake camshaft position (cmp) sensor (rear of engine)
• J114
• J115
• J126
• J140
• Late produc- tion
• Nca
• Prwtn fuse 42 10a
• Pwr/trn relay 26
• Tan
• Underhood fuse block (in engine compartment, next to left strut tower)
• W/ vacuum pump
• W/o vacuum pump

2.0L Turbo VIN X, Engine Performance Wiring Diagram (4 of 4) for Chevrolet HHR LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (4 of 4) for Chevrolet HHR LT 2009:

• (downstream of catalytic converter) heated oxygen sensor (ho2s) 2
• (in body harness main bundle, approximately 15 cm rear of first breakout)
• (m/t) j211
• (on front left corner of transmission) g107
• (under rear of vehicle, behind fuel tank attached to evap canister) evaporative emission (evap) canister vent solenoid valve
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• A/c compressor clutch rly ctrl
• A/c refr press sens lo ref
• A/c refr press sens sig
• A10
• A11
• Acc volt hi spd gmlan serial data bus (+)
• Accelerator pedal position (app) sensor (near accelerator pedal bracket)
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Batt positive volt
• Clutch pedal position (cpp) sensor (m/t)
• Clutch pos sns sig
• Computer data lines system
• Cooling fan relay ctrl
• Cooling fans system
• Crnk rly ctrl
• Ecm trans fuse 43 15a
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Evap canister vent sol ctrl
• Exterior lights system
• Fuel lvl sens sig
• Fuel pump rly ctrl
• Fuel tank press sens sig
• Fuel tank pressure (ftp) sensor (on top of fuel tank)
• G109 (on left front shock tower)
• Gmlan serial data bus (-)
• Gnd
• Heated oxygen sns hi 2
• Ho2s htr low ctrl sens 2
• Hot at all times
• Ign 1 volt
• Induction air temp sens sig
• J101
• J103
• J112
• J113
• Low ref
• Low ref heated oxygen low sig sens 2
• Maf sens sig
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt, attached to air cleaner outlet)
• Nca
• Oss high sig
• Oss low sig
• Powertrain rly coil ctrl
• Run crank relay 51
• Starting/ charging system
• Starting/charging system
• Stop lamp sply volt
• Tan
• Tan a
• Throttle body
• Tps1
• Tps2
• Trans park/neutral sig
• Underhood fuse block (in engine compartment, next to left strut tower)
• Vehicle speed sensor (vss) (m/t) (at rear of engine, on top of transmission)

2.2L VIN B

2.2L VIN B, Engine Performance Wiring Diagram (1 of 4) for Chevrolet HHR LT 2009

List of elements for 2.2L VIN B, Engine Performance Wiring Diagram (1 of 4) for Chevrolet HHR LT 2009:

• (under right tail/stop & turn signal light) g402
• 5-volt ref
• A10
• A11
• Acc
• Acc volt
• Acc voltage
• Accelerator pedal position (app) sensor (on accelerator pedal bracket)
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• App sensor 1
• App sensor 2
• Batt positive volt
• Body control module (bcm) (under center dash, below radio, on right side of center console)
• Clutch pedal position (cpp) sensor (m/t)
• Clutch pos sens rtn
• Clutch rly ctrl
• Computer data lines system
• Cooling fan rly ctrl
• Cooling fans system
• Ecm tcm fuse 25 10a
• Ecm trans fuse 43 15a
• Enable rly ctrl
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Engine oil ind
• Fuel level sensor
• Fuel lvl sens sig
• Fuel pump
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump rly ctrl
• Fuel tank pressure (ftp) sensor (on top of fuel tank)
• G109 (on left front shock tower)
• Ground
• Hot at all times
• Ign 1 volt
• Ignition switch
• Instrument panel cluster (ipc)
• J101
• J206 (a/t)
• Lo spd gmlan serial data
• Logic
• Low ref
• Maf sens sig
• Mal- function ind
• Mil ctrl
• Off
• Power distribution system
• Powertrain rly ctrl
• Press sens sig
• Rly coil ctrl
• Run
• Run/ crank relay 51
• Serial data (+)
• Serial data (-) clutch position sens sply
• Start
• Starting/charging system
• Tan
• Transmissions system
• Underhood fuse block (in engine compartment, next to left strut tower)
• Up shift ind
• Vehicle speed sensor (vss) (m/t) (at rear of engine, on top of transmission)
• Vss signal high
• Vss signal low

2.2L VIN B, Engine Performance Wiring Diagram (2 of 4) for Chevrolet HHR LT 2009

List of elements for 2.2L VIN B, Engine Performance Wiring Diagram (2 of 4) for Chevrolet HHR LT 2009:

• (left rear of engine) intake camshaft position (cmp) sensor
• (not used)
• (top rear of engine) evaporative emission (evap) canister purge solenoid valve
• 5-volt ref
• A/c refrigerant pressure sensor (on a/c line, near compressor)
• A11
• C12
• Cnstr vent fuse 64 10a
• Ecm fuse 41 20a
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Evap sol ctrl
• Evaporative emission (evap) canister vent solenoid valve (under rear of vehicle, behind fuel tank attached to evap canister)
• Exh fuse 33 10a
• Exterior lights system
• F12
• Fuel pump fuse 13 15a
• Fuel pump relay 19
• G107 (on front left corner of transmission)
• G109 (on left front shock tower)
• Hot at all times
• Iat sens sig
• Ign 1 volt
• Inj ign mdl fuse 45 10a
• J101
• J103
• Manifold absolute pressure (map) sensor (top of intake manifold)
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt, attached to air cleaner outlet)
• Pnk
• Pwr/trn relay 26
• Sens sig clutch position
• Start sig
• Starting/ charging system
• Stop lp sply volt
• Tan
• Underhood fuse block (in engine compartment, next to left strut tower)

2.2L VIN B, Engine Performance Wiring Diagram (3 of 4) for Chevrolet HHR LT 2009

List of elements for 2.2L VIN B, Engine Performance Wiring Diagram (3 of 4) for Chevrolet HHR LT 2009:

• (above cylinders) fuel injectors
• (in engine harness, near top of engine, approximately 13 cm from breakout to ignition coil 1 breakout)
• (on top of engine) ignition coils
• Crankshaft position (ckp) sensor (lower left rear of engine block)
• Engine coolant temperature (ect) sensor (right side of engine, near rear of exhaust manifold)
• Exhaust camshaft position (cmp) actuator solenoid valve (top front of engine)
• G108 (right rear of engine block)
• Intake camshaft position (cmp) actuator solenoid valve (top front of engine)
• J104 (in fuel injector harness on top of engine)
• J105
• J106
• Knock sensor (ks) (lower left rear of engine block)
• Nca
• Plug spark
• Pnk
• Spark plug
• Tan

2.2L VIN B, Engine Performance Wiring Diagram (4 of 4) for Chevrolet HHR LT 2009

List of elements for 2.2L VIN B, Engine Performance Wiring Diagram (4 of 4) for Chevrolet HHR LT 2009:

• (right rear of engine) exhaust camshaft position (cmp) sensor
• 5 volt ref
• 5-volt ref
• 5-volt ref 2
• Ckp sens 1 sig
• Cmp exhaust sens
• Cmp intake sens
• Ect sens sig
• Engine control module (ecm) (left side of engine compt, in front of
• Engine oil pressure (eop) switch (lower left rear of engine block)
• Evap canister purge sol ctrl
• Exhaust cam sol ctrl
• Exhaust cam sol rtn
• Exhaust sens low ref
• Exhaust sens ref volt
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• G107 (on front left corner of transmission)
• Gen field duty cycle sig
• Generator turn on sig
• Heated oxygen sensor (ho2s) 1 (right side of engine, in exhaust manifold)
• Heated oxygen sensor (ho2s) 2 (downstream of catalytic converter)
• Ho2s heater lo ctrl
• Ho2s hi sig
• Ho2s lo ref
• Ho2s ref volt
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Intake cam sol ctrl
• Intake cam sol rtn
• Intake sens low ref
• Intake sens ref volt
• J103
• Knock sens sig
• Knock sens sig rtn
• Low ref
• Map sens sig
• Nca
• Oil press sw sig
• Sig gnd
• Starting/ charging system
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Throttle body
• Tp sens 1 sig
• Tp sens 2 sig
• Tps1
• Tps2
• Underhood fuse block)

2.4L VIN V

2.4L VIN V, Engine Performance Wiring Diagram (1 of 4) for Chevrolet HHR LT 2009

List of elements for 2.4L VIN V, Engine Performance Wiring Diagram (1 of 4) for Chevrolet HHR LT 2009:

• (under right tail/stop & turn signal light) g402
• 5-volt ref
• A10
• A11
• Acc
• Acc volt
• Acc voltage
• Accelerator pedal position (app) sensor (on accelerator pedal bracket)
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• App sensor 1
• App sensor 2
• Batt positive volt
• Body control module (bcm) (under center dash, below radio, on right side of center console)
• Clutch pedal position (cpp) sensor (m/t)
• Clutch pos sens rtn
• Clutch rly ctrl
• Computer data lines system
• Cooling fan rly ctrl
• Cooling fans system
• Ecm tcm fuse 25 10a
• Ecm trans fuse 43 15a
• Enable rly ctrl
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Engine oil ind
• Fuel level sensor
• Fuel lvl sens sig
• Fuel pump
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump rly ctrl
• Fuel tank pressure (ftp) sensor (on top of fuel tank)
• G109 (on left front shock tower)
• Ground
• Hot at all times
• Ign 1 volt
• Ignition switch
• Instrument panel cluster (ipc)
• J101
• J206 (a/t)
• Lo spd gmlan serial data
• Logic
• Low ref
• Maf sens sig
• Mal- function ind
• Mil ctrl
• Off
• Power distribution system
• Powertrain rly ctrl
• Press sens sig
• Rly coil ctrl
• Run
• Run/ crank relay 51
• Serial data (+)
• Serial data (-) clutch position sens sply
• Start
• Starting/charging system
• Tan
• Transmissions system
• Underhood fuse block (in engine compartment, next to left strut tower)
• Up shift ind
• Vehicle speed sensor (vss) (m/t) (at rear of engine, on top of transmission)
• Vss signal high
• Vss signal low

2.4L VIN V, Engine Performance Wiring Diagram (2 of 4) for Chevrolet HHR LT 2009

List of elements for 2.4L VIN V, Engine Performance Wiring Diagram (2 of 4) for Chevrolet HHR LT 2009:

• (left rear of engine) intake camshaft position (cmp) sensor
• (not used)
• (top rear of engine) evaporative emission (evap) canister purge solenoid valve
• 5-volt ref
• A/c refrigerant pressure sensor (on a/c line, near compressor)
• A11
• C12
• Cnstr vent fuse 64 10a
• Ecm fuse 41 20a
• Engine control module (ecm) (left side of engine compt, in front of underhood fuse block)
• Evap sol ctrl
• Evaporative emission (evap) canister vent solenoid valve (under rear of vehicle, behind fuel tank attached to evap canister)
• Exh fuse 33 10a
• Exterior lights system
• F12
• Fuel pump fuse 13 15a
• Fuel pump relay 19
• G107 (on front left corner of transmission)
• G109 (on left front shock tower)
• Hot at all times
• Iat sens sig
• Ign 1 volt
• Inj ign mdl fuse 45 10a
• J101
• J103
• Manifold absolute pressure (map) sensor (top of intake manifold)
• Mass air flow (maf)/intake air temperature (iat) sensor (right front of engine compt, attached to air cleaner outlet)
• Pnk
• Pwr/trn relay 26
• Sens sig clutch position
• Start sig
• Starting/ charging system
• Stop lp sply volt
• Tan
• Underhood fuse block (in engine compartment, next to left strut tower)

2.4L VIN V, Engine Performance Wiring Diagram (3 of 4) for Chevrolet HHR LT 2009

List of elements for 2.4L VIN V, Engine Performance Wiring Diagram (3 of 4) for Chevrolet HHR LT 2009:

• (above cylinders) fuel injectors
• (in engine harness, near top of engine, approximately 13 cm from breakout to ignition coil 1 breakout)
• (on top of engine) ignition coils
• Crankshaft position (ckp) sensor (lower left rear of engine block)
• Engine coolant temperature (ect) sensor (right side of engine, near rear of exhaust manifold)
• Exhaust camshaft position (cmp) actuator solenoid valve (top front of engine)
• G108 (right rear of engine block)
• Intake camshaft position (cmp) actuator solenoid valve (top front of engine)
• J104 (in fuel injector harness on top of engine)
• J105
• J106
• Knock sensor (ks) (lower left rear of engine block)
• Nca
• Plug spark
• Pnk
• Spark plug
• Tan

2.4L VIN V, Engine Performance Wiring Diagram (4 of 4) for Chevrolet HHR LT 2009

List of elements for 2.4L VIN V, Engine Performance Wiring Diagram (4 of 4) for Chevrolet HHR LT 2009:

• (right rear of engine) exhaust camshaft position (cmp) sensor
• 5 volt ref
• 5-volt ref
• 5-volt ref 2
• Ckp sens 1 sig
• Cmp exhaust sens
• Cmp intake sens
• Ect sens sig
• Engine control module (ecm) (left side of engine compt, in front of
• Engine oil pressure (eop) switch (lower left rear of engine block)
• Evap canister purge sol ctrl
• Exhaust cam sol ctrl
• Exhaust cam sol rtn
• Exhaust sens low ref
• Exhaust sens ref volt
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• G107 (on front left corner of transmission)
• Gen field duty cycle sig
• Generator turn on sig
• Heated oxygen sensor (ho2s) 1 (right side of engine, in exhaust manifold)
• Heated oxygen sensor (ho2s) 2 (downstream of catalytic converter)
• Ho2s heater lo ctrl
• Ho2s hi sig
• Ho2s lo ref
• Ho2s ref volt
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Intake cam sol ctrl
• Intake cam sol rtn
• Intake sens low ref
• Intake sens ref volt
• J103
• Knock sens sig
• Knock sens sig rtn
• Low ref
• Map sens sig
• Nca
• Oil press sw sig
• Sig gnd
• Starting/ charging system
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Throttle body
• Tp sens 1 sig
• Tp sens 2 sig
• Tps1
• Tps2
• Underhood fuse block)