ENGINE PERFORMANCE

3.6L VIN 7

(top rear of fuel tank) evaporative emission (evap) canister vent solenoid valve
(top right of engine)
(under left side of dash) body control module (bcm)
Acc
Cnstr/ vent fuse 10a
Driver information center (dic) display
Dsply fuse 10a
Fuel pump fuse 15a
Fuel pump relay
G110 (right front of engine, mounted to cylinder head)
G112 (right rear of engine, mounted to cylinder head)
Gmlan
Hot at all times
I/p fuse block (behind right end of dash)
Ign
Ign i/ii
Ignition coil 1
Ignition coil 3
Ignition coil 5
Ignition switch
Instrument panel cluster (ipc)
J131
J139 (in engine harness, between ignition coils 3 & 5)
J202
J271
Lines system computer data
Logic
Low engine oil pressure ind
Mil ind
Nca
Off
Run
Spark plug
Sply volt stop lp
Start
Tan
Underhood fuse block (above right front wheelwell)

(at left side of engine compt, near air cleaner assembly) mass air flow (maf)/intake air temperature (iat) sensor
(buick) engine mount vacuum tank solenoid
(front of left cylinder head) camshaft position (cmp) actuator solenoid exhaust bank 2
(front of left cylinder head) camshaft position (cmp) actuator solenoid intake bank 2
(front of left cylinder head) camshaft position (cmp) sensor intake bank 2
(front of right cylinder head) camshaft position (cmp) actuator solenoid exhaust bank 1
(front of right cylinder head) camshaft position (cmp) actuator solenoid intake bank 1
(left side of engine compt) electronic brake control module (ebcm)
5v ref 2
Cam phaser 3 ctrl
Cam phaser ctrl
Camshaft cam w sig
Camshaft cam x sig
Camshaft cam y sig
Camshaft cam z sig
Camshaft w ground
Camshaft w sply
Camshaft x ground
Camshaft x sply
Camshaft y ground
Camshaft y sply
Camshaft z ground
Camshaft z sply
Crankshaft 60x sig
Engine control module (ecm) (left front corner of engine compt)
Fuel injector 1 ctrl
Fuel injector 2 ctrl
Fuel injector 3 ctrl
Fuel injector 4 ctrl
Fuel injector 5 ctrl
Fuel injector 6 ctrl
G110 (right front of engine, mounted to cylinder head)
Ground
Iat sen sig
Ignition coil 2 ctrl
Ignition coil 3 ctrl
Ignition coil 4 ctrl
Ignition coil 5 ctrl
Ignition coil 6 ctrl
J142
Low ref
Maf sens sig
Oxygen sens heated a
Oxygen sens heated c
Pnk
Tan
Temp sens sig
Tp sens 1 sig
Tp sens 2 sig

5v ref 1
5v ref 2
A/c refrigerant pressure
A/c refrigerant pressure sensor (near rear of a/c compressor)
Bank 2 sens 2 sig
Barometric pressure (baro) sensor (top left rear of engine)
Computer data lines system
Cooling fans system
Ect sens sig
Engine control module (ecm) (left front corner of engine compt)
Engine coolant temperature (ect) sensor (left side of engine)
Engine oil pressure (eop) switch (lower left front of engine)
Evap canister purge
Evaporative emission (evap) canister purge solenoid valve (center rear of engine, near throttle body)
Fused sply
G110 (right front of engine, mounted to cylinder head)
Generator field duty cycle
Generator turn on sig
Gmlan serial data bus +
Gmlan serial data bus-
Ground
Heated oxygen sensor (ho2s) bank 1 sensor 1 (right side of engine, in exhaust manifold)
Heated oxygen sensor (ho2s) bank 1 sensor 2 (in exhaust, downstream of catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (left side of engine, in exhaust manifold)
Heated oxygen sensor (ho2s) bank 2 sensor 2 (in exhaust, downstream of catalytic converter)
Intake manifold tuning (imt) solenoid valve (top front of engine)
J140
Low ref
Low spd cooling fan
Map sens sig
Oil pressure sw sig
Oxygen sen heated b sig
Oxygen sens heated d sig
Park/neutral
Sens heated b hi ref
Starting/ charging system
Tan
Transmissions system
Variable pos
Variable pos sig
Variable tuning
Variable tuning ctrl