ENGINE PERFORMANCE – GMC Terrain SLE 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.4L VIN K

2.4L VIN K, Engine Performance Wiring Diagram (1 of 5) for GMC Terrain SLE 2014

List of elements for 2.4L VIN K, Engine Performance Wiring Diagram (1 of 5) for GMC Terrain SLE 2014:

• (behind engine on fuel line) fuel pressure sensor
• (left rear of engine) secondary air injection solenoid valve cylinder 1 & 2
• (on a/c high pressure line) a/c refrigerant pressure sensor
• (top of fuel pump & primary fuel level sensor) fuel tank pressure sensor
• (top of fuel tank) secondary fuel level sensor
• (top right rear of engine) g109
• 5-v ref
• 5-volt 1 ref
• 5-volt 2 ref
• A/c compressor
• A/c sens sig
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Air conditioning system
• App sen 1 sig
• App sen 2 sig
• Bps 5v ref
• Bps low ref
• Bps snsr sig
• Brake pedal position sensor (top of brake pedal assembly)
• Brake pedal sw sig
• Clutch rly ctrl
• Computer data lines system
• Cooling fans system
• Cruise control system
• Ctrl
• Engine control module (left front of engine compt)
• Evaporative emission vent solenoid valve (forward of fuel tank)
• Fan rly ctrl
• Fuel composition sensor (if equipped) (under rear of vehicle, near evaporative emission canister)
• Fuel lvl sen sig
• Fuel pump rly ctrl
• Fuel sens sig
• G112 (lower left front of engine)
• Hi data bus +
• Hi data bus -
• Ign volt
• J419 (fuel tank harness, 30cm from x405)
• Low ref
• Mil ctrl
• Pnk
• Powertrain rly
• Saip 5v ref
• Saip sig
• Sens sig
• Sensor low ref
• Snsr sig
• Solenoid ctrl
• Starter rly ctrl
• Starting/charging system
• Tan
• Tiap snsr 5v
• Tiap snsr sig
• Wake-up sig
• X112
• X206
• X350

2.4L VIN K, Engine Performance Wiring Diagram (2 of 5) for GMC Terrain SLE 2014

List of elements for 2.4L VIN K, Engine Performance Wiring Diagram (2 of 5) for GMC Terrain SLE 2014:

• (body harness, 13 cm from fuel pump control module) j409
• (body harness, 7 cm from x405) j411
• (fuel tank harness, 25 cm from x405)
• Bare
• Batt pos vol
• Cnstr vent fuse 10a
• Computer data lines system
• Driver information center display
• Ecm batt fuse 10a
• Ecm fuse 10a
• Engine coolant temperature gauge
• Engine oil level ind
• Fscm fuse 10a
• Fscm fuse 25a
• Fuel gauge
• Fuel pump
• Fuel pump driver control module (left quarter trim panel)
• Fuel pump module shield
• G401 (left side luggage compt)
• Gmlan
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Ign 1 vol
• Instrument cluster
• J413 bare
• Logic
• Mil ind
• Mtr low ref
• Pnk
• Primary fuel level sensor
• Primary fuel pump & level sensor assembly (top of fuel tank)
• Pump rly ctrl
• Pump sply vol
• Serial data
• Serial data +
• Serial data -
• Underhood fuse block (left rear of engine compt)
• Wake-up sig
• X350

2.4L VIN K, Engine Performance Wiring Diagram (3 of 5) for GMC Terrain SLE 2014

List of elements for 2.4L VIN K, Engine Performance Wiring Diagram (3 of 5) for GMC Terrain SLE 2014:

• (engine harness, 3.0 cm from ignition coil 2 breakout)
• (top of engine, above cylinder) ignition coil 1
• (top of engine, above cylinder) ignition coil 2
• (top of engine, above cylinder) ignition coil 3
• (top of engine, above cylinder) ignition coil 4
• 5v 1 ref
• 5v 2 ref
• Cmp sens sig
• Crankshaft position sensor (lower left rear engine)
• Ect sens sig
• Engine control module (left front of engine compt)
• Engine coolant temperature sensor (lower left rear of engine)
• Engine oil pressure switch (left rear of engine block)
• Exh cmp bank 1 sig
• Exhaust camshaft position sensor (right rear of cylinder head)
• G109 (top right rear of engine)
• High ctrl
• High pressure fuel pump (top left rear engine)
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Intake camshaft position sensor (left rear of cylinder head)
• Intk cmp bank 1 sig
• J101
• J104
• J106
• Low ctrl
• Low ref
• Nca
• Oil pressure sw sig
• Spark plug
• Tan

2.4L VIN K, Engine Performance Wiring Diagram (4 of 5) for GMC Terrain SLE 2014

List of elements for 2.4L VIN K, Engine Performance Wiring Diagram (4 of 5) for GMC Terrain SLE 2014:

• (engine harness, 4 cm from underhood fuse block) j108
• (right rear of engine) secondary air injection solenoid valve cylinder 3 & 4
• 5-volt 1 ref
• Air pump sol fuse 15a
• Cam phaser ctrl
• Ecm fuse 20a
• Engine control module (left front of engine compt)
• Engine controls ignition relay
• Exhaust camshaft position actuator solenoid valve (top front of cylinder head)
• Fuel injector 1 (top of engine, above cylinder)
• Fuel injector 1 ctrl
• Fuel injector 2 (top of engine, above cylinder)
• Fuel injector 2 ctrl
• Fuel injector 3 (top of engine, above cylinder)
• Fuel injector 3 ctrl
• Fuel injector 4 (top of engine, above cylinder)
• Fuel injector 4 ctrl
• G109 (top right rear of engine)
• G112 (lower left front of engine)
• Ground
• Hot at all times
• Intake camshaft position actuator solenoid valve (top front of cylinder head)
• J103
• Low ref
• Mtr fuse 40a
• O2 snsr pre fuse 15a
• Odd ign fuse 20a
• Secondary air injection pump
• Secondary air injection pump relay
• Secondary air injection solenoid valve relay
• Tan
• Underhood fuse block (left rear of engine compt)
• X160

2.4L VIN K, Engine Performance Wiring Diagram (5 of 5) for GMC Terrain SLE 2014

List of elements for 2.4L VIN K, Engine Performance Wiring Diagram (5 of 5) for GMC Terrain SLE 2014:

• (in exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (ks) 1 sig
• (on exhaust manifold) heated oxygen sensor 1
• 5v 1 ref
• 5v 2 ref
• 5v 3 ref
• 5v 4 ref
• Air temp sens sig
• C tan
• Duty cycle sig
• Engine control module (left front of engine compt)
• Evaporative emission purge solenoid valve (top rear of engine)
• Frp sens sig
• Fuel economy mode switch
• Fuel rail pressure sensor (on fuel rail)
• G112 (lower left front engine)
• G207 (right kick panel)
• Ground
• High sig
• Indicator sig
• Interior lights system
• J103
• J317
• Knock sensor (left rear of engine block)
• Low ctrl
• Low ref
• Low sig
• Maf sens sig
• Manifold absolute pressure sensor (right rear of intake manifold)
• Map sens sig
• Mode sw sig
• Multi-function intake air sensor (on air inlet hose)
• Nca
• Neutral start sig
• Noise cancellation
• Pnk/
• Ref volt
• Saip low ref
• Snsr 5v ref
• Snsr sig
• Solenoid ctrl
• Sound systems
• Starting/charging system
• Tac mtr ctrl-1
• Tac mtr ctrl-2
• Tan
• Throttle body (left side of engine)
• Tp sens 1 sig
• Tp sens 2 sig
• Transmissions system
• X112
• X160
• X206
• X211

3.6L VIN 3

3.6L VIN 3, Engine Performance Wiring Diagram (1 of 5) for GMC Terrain SLE 2014

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (1 of 5) for GMC Terrain SLE 2014:

• (behind engine on fuel line) fuel pressure sensor
• (fuel tank harness, 25 cm from x405) j413
• (on a/c high
• (top of accelerator pedal assembly) accelerator pedal position sensor
• 5v 1 ref
• 5v 2 ref
• 5v ref
• A/c compressor clutch rly ctrl
• A/c refrigerant press sens sig
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Bare
• Batt pos vol
• Brake pedal position sensor (top of brake pedal assembly)
• Brake pedal sw sig
• Brake pos sen low ref
• Brake position sensor 5 v
• Brake position sensor sig
• Computer data lines system
• Cooling fan rly ctrl
• Cooling fans system
• Cruise control system
• Ecm fuse 10a
• Engine control module (left front of engine compt)
• Evap canister vent sol ctrl
• Evaporative emission vent solenoid valve (forward of fuel tank)
• Fuel composition sens sig
• Fuel level sens sig
• Fuel pump
• Fuel pump rly ctrl
• Fuel tank pressure sensor (top of fuel pump & primary fuel level sensor)
• Fuel tank pressure sensor sig
• Gmlan serial data bus +
• Gmlan serial data bus -
• Hot w/ ignition main relay energized
• Ign vol
• J419 (fuel tank harness, 30 cm from x405)
• Low ref
• Low spd cooling fan rly ctrl
• Mil ctrl
• Pnk
• Powertrain rly ctrl
• Pressure line) a/c refrigerant pressure sensor
• Primary fuel level sensor
• Primary fuel pump & level sensor assembly (top of fuel tank)
• Secondary fuel level sensor (top of fuel tank)
• Sens low ref
• Sens sig
• Starter rly ctrl
• Starting/charging system
• Tan
• Throttle pos sens 5v
• Throttle pos sens sig
• Underhood fuse block (left rear of engine compt)
• Wake-up sig
• X112
• X112 computer data lines system
• X206
• X350

3.6L VIN 3, Engine Performance Wiring Diagram (2 of 5) for GMC Terrain SLE 2014

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (2 of 5) for GMC Terrain SLE 2014:

• (body harness, 13 cm from fuel pump control module) j409
• (body harness, 7 cm from x405) j411
• Bare
• Batt pos vol
• Cnstr vent fuse 10a
• Computer data lines system
• Driver information center display
• Ecm batt fuse 10a
• Ecm fuse 20a
• Engine controls ignition relay
• Engine coolant temperature gauge
• Engine coolant temperature sensor (left rear of engine)
• Engine oil level ind
• Even ign fuse 20a
• Exhaust bank 1 camshaft position actuator solenoid valve (front of right cylinder head)
• Fscm fuse 10a
• Fscm fuse 25a
• Fuel gauge
• Fuel pump driver control module (left quarter trim panel)
• G401 (left side luggage compt)
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Ign 1 vol
• Instrument cluster
• Intake bank 2 camshaft position actuator solenoid valve (front of left cylinder head)
• Logic
• Low ref fuel pump
• Mil ind
• Module shield
• O2 snsr post fuse 15a
• O2 snsr pre fuse 15a
• Odd ign fuse 20a
• Pnk
• Pump rly ctrl
• Pump sply vol
• Serial data
• Serial data +
• Serial data -
• Tan
• Underhood fuse block (left rear of engine compt)
• Wake-up sig
• X350

3.6L VIN 3, Engine Performance Wiring Diagram (3 of 5) for GMC Terrain SLE 2014

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (3 of 5) for GMC Terrain SLE 2014:

• (engine harness, 5 cm from ignition coil 5 takeout)
• (engine harness, 8.5 cm from ignition coil 6 takeout)
• (left front of engine block) engine oil pressure switch
• (top of left cylinder bank, above cylinder) ignition coil 2
• (top of left cylinder bank, above cylinder) ignition coil 4
• (top of left cylinder bank, above cylinder) ignition coil 6
• (top of right cylinder bank, above cylinder) ignition coil 1
• (top of right cylinder bank, above cylinder) ignition coil 3
• (top of right cylinder bank, above cylinder) ignition coil 5
• 5v 1 ref
• 5volt 2 ref
• Actuator hi ctrl
• Actuator low ref
• Ect sens sig
• Engine control module (left front of engine compt)
• Exh b1 cam phaser sol
• Exh b2 cam phaser sol
• Exh b2 cmp sen sig
• Exhaust bank 1 sig
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• G109 (right front of engine)
• G110 (right rear of engine)
• High pressure fuel pump (rear of left cylinder bank)
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Intake bank 1 camshaft position actuator solenoid valve (front of right cylinder head)
• Intake bank 1 sig
• Intake bank 2 sig
• Intk b1 cam phaser sol
• Intk b2 cam phaser sol
• J102
• J104
• J106
• J107
• Low ref
• Nca
• Oil pressure sw sig
• Pos sens sig
• Spark plug
• Tan

3.6L VIN 3, Engine Performance Wiring Diagram (4 of 5) for GMC Terrain SLE 2014

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (4 of 5) for GMC Terrain SLE 2014:

• (on right cylinder head) evaporative emission purge solenoid valve
• (top of left cylinder bank) fuel injectors 2, 4 & 6
• (top of right cylinder bank) fuel injectors 1, 3 & 5
• (under rear of vehicle, near evaporative emission canister) (if equipped) fuel composition sensor
• 5-v 1 ref
• Crankshaft position sensor (lower right side engine block)
• Engine control module (left front of engine compt)
• Exhaust bank 1 camshaft position sensor (front of right cylinder head)
• Exhaust bank 2 camshaft position actuator solenoid valve (front of left cylinder head)
• Exhaust bank 2 camshaft position sensor (front of left cylinder head)
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• G112 (left rear of engine)
• Gnd
• Intake bank 1 camshaft position sensor (front of right cylinder head)
• Intake bank 2 camshaft position sensor (front of left cylinder head)
• J103
• Low ref
• Tan
• X112
• X160
• X161
• X350

3.6L VIN 3, Engine Performance Wiring Diagram (5 of 5) for GMC Terrain SLE 2014

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (5 of 5) for GMC Terrain SLE 2014:

• (engine harness, 3 cm from ignition coil 4 takeout) j108
• (engine harness, 8 cm from ignition coil 2 takeout) j109
• (in left exhaust, downstream of catalytic converter) heated oxygen sensor bank 2 sensor 2
• (in right exhaust, downstream of catalytic converter) heated oxygen sensor bank 1 sensor 2
• (left exhaust manifold) heated oxygen sensor bank 2 sensor 1
• (left front of engine compt)
• (not used) fuel economy mode switch
• (right exhaust manifold) heated oxygen sensor bank 1 sensor 1
• 5-v 1 ref
• 5-v 2 ref
• 5-v 3 ref
• 5-v 4 ref
• A tan
• Air temp sens sig
• C tan
• Charge ind sig
• Duty cycle sig
• Engine control module
• Engine oil level switch (in oil pan)
• Frp sens sig
• Fuel rail pressure sensor (on fuel rail)
• G112 (left rear of engine)
• G207 (right kick panel)
• Ground
• Ho2s hi sig
• Ho2s htr low ctrl
• Ho2s low ref
• Ho2s low sig
• Ho2s ref vol
• Interior lights system
• J103
• Knock sens 1 sig
• Knock sens 2 sig
• Knock sensor 1 (right side engine block)
• Knock sensor 2 (left side of engine block)
• Low ref
• Maf sens
• Maf sens sig
• Manifold absolute pressure sensor (right rear of intake manifold)
• Map sens sig
• Mode sw sig
• Multi-function intake air sensor (on air inlet hose)
• Nca
• Neutral start sig
• Oil lvl snsr
• Pnk/
• Purge sol ctrl
• Sensor sig
• Starting/charging system
• Tac mtr ctrl-1
• Tac mtr ctrl-2
• Tan
• Throttle body (top right front of engine)
• Transmissions system
• X112
• X161
• X206
• X211