ENGINE PERFORMANCE

3.6L VIN D

(above accelerator pedal) accelerator pedal position (app) sensor
(near rear of a/c compressor) a/c refrigerant pressure sensor
(shield nca
(top of brake pedal assembly) brake pedal position sensor
5-v ref 1
5-v vol ref 1
5-v vol ref 4
5-volt ref 3
A/c compressor clutch rly ctrl
A/c refrigerant pressure sens sig
Accessory wake-up serial data
Air conditioning system
Air inlet absolute pressure sens
App sen sig 1
App sens sig 2
Battery pos vol
Brake position sens sig
Brk pos sens 5-volt ref
Brk position sensor lo ref
Computer data lines system
Cooling fan rly ctrl
Cooling fans system
Engine control module (ecm) (left side of engine)
Evap conister vent sol ctrl
Evaporative emission (evap) canister vent solenoid valve (top rear of fuel tank)
Exterior lights system
Fuel pump
Fuel pump & sender assembly (in fuel tank)
Fuel tank pressure (ftp) sensor (on fuel pump & sender assembly)
Fuel tank pressure sensor sig
Hi spd gmlan serial data bus +
Hi spd gmlan serial data bus -
Ign vol
J395 (in fuel tank harness, near x305)
J459
Low ref
Low speed cooling fan rly ctrl
Mil ctrl
Nca
Pnk
Powertrain main rly fused sply (2)
Powertrain relay coil control
Pri fuel pmp relay control
Primary fuel level sensor
Primary fuel level sensor sig
Pwr/trn relay voltage
Run crank ign 1 volt
Starter relay coil control
Starting/charging system
Stop lamp switch signal
Tan
Underhood fuse block (above right x2 front wheelwell)
X100
X111
X112
X305

5-v ref
Batt pos volt
Cnstr/ vent fuse 10a
Computer data lines system
Drain wire
Driver information center (dic)
Ecm 1 fuse 20a
Ecm fuse 15a
Emission fuse 15a
Engine control module fuse holder (on positive battery cable below right second seat)
Engine controls ignition relay
Engine coolant temperature (ect) sensor (left side of engine)
Even coils fuse 15a
Exhaust bank 1 camshaft position (cmp) actuator solenoid (front of right cylinder head)
Fscm fuse 25a
Fuel pmp rly ctrl
Fuel pressure sensor
Fuel pump control module
Fuel pump volt
G401 (near base of left "d" pillar)
Gnd
Hi spd ser data +
Hi spd ser data -
Hot at all times
Hot w/ ign main relay energized
Ign volt
Instrument cluster
Instrument panel fuse block (behind right end of dash)
Intake bank 1 camshaft position (cmp) actuator solenoid (front of right cylinder head)
Intake bank 2 camshaft position (cmp) actuator solenoid (front of left cylinder head)
J132
J455
J457
Lo spd gmlan
Logic
Low ref
Maf/ tiap fuse 15a
Malfunction ind lamp (mil)
Nca
Odd coils fuse 15a
Pcm ign fuse 10a
Pnk
Pres sen sig
Serial data comm
Tan
Underhood fuse block (above right front wheelwell)
X100
X305
X308
X325
X405

(center rear of engine, near throttle body) evaporative emission (evap) canister purge solenoid valve
(on left intake manifold) fuel injector 2
(on left intake manifold) fuel injector 4
(on left intake manifold) fuel injector 6
(on right intake manifold) fuel injector 1
(on right intake manifold) fuel injector 3
(on right intake manifold) fuel injector 5
5-v ref 1
Crankshaft position (ckp) sensor (right side of engine block)
Engine control module (ecm) (left side of engine)
Exhaust bank 1 camshaft position (cmp) sensor (front of right cylinder head)
Exhaust bank 2 camshaft position (cmp) actuator solenoid (front of left cylinder head)
Exhaust bank 2 camshaft position (cmp) 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
G110 (right front of engine, mounted to cylinder head)
Gnd
Intake bank 1 camshaft position (cmp) sensor (front of right cylinder head)
Intake bank 2 camshaft position (cmp) sensor (front of left cylinder head)
Low ref
Tan
X160
X161

(in exhaust, downstream of catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(in left exhaust manifold) heated oxygen sensor (ho2s) bank 2 sensor 1
(in right exhaust manifold) heated oxygen sensor (ho2s) bank 1 sensor 1
(in right exhaust, downstream of catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
(lower left front of engine) engine oil level switch
(right front of engine, mounted to cylinder head) g110
5-v 1 ref
5-v ref 3
5-volt ref 4
A tan
Engine control module (ecm) (left side of engine)
Frp sens sig
Fuel rail pressure (frp) sensor (top front of engine)
G110 (right front of engine, mounted to cylinder head)
Gen duty cycle sig
Generator turn on sig
Gnd
Ho2s high sig
Ho2s htr low ctrl
Ho2s low sig
Ho2s ref volt
Humidity sens sig
Intake air temp sens sig
J140 (prewired engine harness, near bank 2 intake camshaft position sensor)
Knock sens 1 sig
Knock sens 2 sig
Knock sensor (ks) 1 (right side of engine)
Knock sensor (ks) 2 (left side of engine)
Low ref
Low ref bank 1 sen 1
Low ref bank 1 sen 2
Low ref bank2 sen 2
Low reference
Maf sens sig
Manifold absolute pressure sensor (map)
Map sens sig
Multi-function intake air sensor (at left side of engine compt, near air cleaner assembly)
Oil level sw sig
Purge solenoid ctrl
Ref volt bank 1 sen 1
Starting/charging system
Tac mtr ctrl-1
Tac mtr ctrl-2
Tan
Throttle body (top rear of engine)
Throttle pos sens sig 1
Transmission park/ neutral sig
Transmissions system
X161