ENGINE PERFORMANCE – Chevrolet Uplander LT 2006 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L VIN L

3.5L VIN L, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.5L VIN L, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Uplander LT 2006:

• (at engine to transmission stud above g115) g113
• (in fuel injector harness, 4 cm (1.6 in) from breakout for fuel injector 2 toward fuel injector 3 s140
• (on left top rear of engine) exhaust gas recirculation valve
• (pins 64-72 not used)
• (top right rear of engine) manifold absolute pressure sensor
• 12 v ref
• 5 volt ref
• Ckp sensor sig
• Cmp sensor sig
• Ect sensor sig
• Egr pos sig
• Egr sol high
• Egr sol low
• Engine coolant temperature sensor (in left side of rear cylinder head, above transmission)
• Engine oil pressure switch (starter motor)
• Evap canister purge solenoid (on left side of engine, rear of throttle body)
• Evap purge sol
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• Gen fd duty
• Gen on sig
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold, before catalytic converter)
• Ho2s heater 1
• Ho2s sig high
• Ho2s sig low
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Knock sensor bank 1 (right side of engine block)
• Knock sensor bank 2 (left side of engine block)
• Ks 1 sig
• Ks 2 sig
• Low ref
• Map sensor sig
• Nca
• Oil press sig
• Pnk
• Powertrain control module (left side of engine compt, in air cleaner assembly)
• S142
• S155
• Starting/ charging system
• Tan
• Uart data

3.5L VIN L, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.5L VIN L, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Uplander LT 2006:

• (at engine to transmission stud above g115) g113
• (awd)
• (in air intake) mass air flow/ intake air temperature sensor
• (left side of intake) throttle actuator control module
• (lower rear of engine) crankshaft position sensor
• (right side of engine) camshaft position sensor
• 1-2 shift sol
• 2-3 shift sol
• 2ndary uart
• 5 volt ref
• Aap sensor 1
• Accelerator pedal position sensor (on accelerator bracket)
• Anti-lock
• App sensor 2
• At iss high sig
• At iss low sig
• Axle act cntrl
• Brakes anti-lock
• Controls transmission
• Dlvd torq sig
• Ground
• Heated oxygen sensor (ho2s) 2 (in exhaust after catalytic converter)
• Ho2s heater 2
• Ho2s sig high 2
• Ho2s sig low 2
• Iat
• Iat sensor sig
• Ign 1 volt
• Ignition control module (icm) (top rear of eng)
• Low ref
• Maf
• Maf sensor sig
• Nca
• Pc sol high
• Pc sol low
• Pnk
• Powertrain control module (left side of engine compt, in air cleaner assembly)
• Primary uart
• Range sw 3
• Range sw b
• Range sw p
• Req torq sig
• Stop lamp
• System
• System brakes
• Tan
• Tcc pwm sol
• Tcc release
• Tft sns sig
• Trans range sw
• Vehicle spd
• Vss high sig
• Vss low sig

3.5L VIN L, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.5L VIN L, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Uplander LT 2006:

• (at engine to transmission stud above g115) g113
• (mounted to right side of transmission) vehicle speed sensor
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• Automatic transmission
• Automatic transmission fluid temperature sensor
• Automatic transmission input shaft speed sensor
• Elec ign fuse 15a
• Eng snsr/ evap fuse 15a
• Etc fuse 18 15a
• Fuel inj fuse 15a
• Fuel pump fuse 2 15a
• Fuel pump relay
• G113 (at engine to transmission stud above g115)
• Hot at all times
• I/p fuse block (right c1 side of dash)
• Ign main relay
• Internal mode switch
• Pcm etc fuse 15a
• Pcm ign fuse 14 10a
• Pnk
• Pressure control solenoid valve
• Pwr/ trn relay
• Red
• S155
• S171
• S175
• Tan
• Torque converter clutch release seat
• Torque converter clutch solenoid valve
• Trans sols fuse 11 10a
• Underhood fuse block (above right front wheel well)

3.5L VIN L, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.5L VIN L, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Uplander LT 2006:

• (in dash harness,
• (on high pressure hose, near high pressure hose connection to a/c compressor) a/c refrigerant pressure sensor
• (on lower left "b" pillar) g301
• 15 cm from breakout for c203 toward right side of dash) s273
• 5 volt ref
• A/c clutch relay
• A/c press sig
• Acc
• Air conditioning system
• Battery
• Body control module (below left side of dash, left of steering column)
• Cnstr/ vent fuse 19 10a
• Computer data lines system
• Cooling fans system
• Cruise control system
• Cruise sig
• Evap canister vent solenoid (above fuel tank)
• Evap vent sol
• Frt wsw fuse 24 15a
• Fuel level sig
• Fuel pump & sender assembly (top of fuel tank)
• Fuel pump relay
• Fuel tank press
• Fuel tank pressure sensor (top of fuel tank)
• High fan
• Hot at all times
• I/p fuse block (right side of dash)
• Ignition 1
• Ignition 3
• Ignition switch
• Instrument panel cluster
• Lock
• Low fan
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Pcm relay
• Pnk
• Powertrain control module (left side of engine compt, in air cleaner assembly)
• Run
• S279 (in steering column harness, 20 cm from c201)
• S306 (handicapped)
• S371 (in fuel tank harness, 30 cm from c305)
• Serial data
• Start
• Starter enable
• Starting/charging system
• Stop lamp sw
• Tan
• Underhood fuse block
• Underhood fuse block (above right front wheel well)
• Vehicle speed sig

3.9L VIN 1

3.9L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Uplander LT 2006:

• (at engine to transmission stud above g115)
• (early production ks1 & late production ks2: left side of engine block; late production ks1 & early production ks2: right side of engine block)
• 5 volt ref
• Camshaft position actuator solenoid (front of
• Ckp sensor sig
• Cmp sensor sig
• Engine control module
• Engine oil pressure sensor (lower left side of engine block)
• Engine)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• G113
• G113 (at engine to transmission stud above g115)
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold, before catalytic converter)
• Heated oxygen sensor (ho2s) 2 (in exhaust after catalytic converter)
• Ho2s heater 1
• Ho2s heater 2
• Ho2s sig high 1
• Ho2s sig high 2
• Ho2s sig low 1
• Ho2s sig low 2
• Iat
• Iat sens sig
• Ic 3 control
• Ic1 control
• Ic2 control
• Ignition 1
• Ignition control module (icm) (top of valve cover)
• Knock sensor bank 1
• Knock sensor bank 2
• Ks 1 sig
• Ks 2 sig
• Low ref
• Maf
• Maf sens sig
• Mass air flow/ intake air temperature sensor (in air intake)
• Nca
• Oil sens sig
• Pnk
• S142
• S155
• Sol high ctrl
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tan c
• Throttle actuator control module (on throttle body)
• Tp sensor sig 1
• Tp sensor sig 2

3.9L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Uplander LT 2006:

• (67 to 73 not used)
• (at engine to transmission stud above g115)
• (front of intake manifold) intake manifold tuning solenoid valve
• (on high pressure hose, near high pressure hose connection to a/c compressor) a/c refrigerant pressure sensor
• (top front of engine) camshaft position sensor
• (top front of engine) crankshaft position sensor
• (top of intake manifold) manifold absolute pressure sensor
• (top rear of engine) engine coolant temperature sensor
• (top rear of intake manifold) evap canister purge solenoid
• 5 volt ref
• A/c sens sig
• Air conditioning system
• Anti-lock
• Brakes anti-lock
• Computer data lines system
• Deli torque sig
• Ect sens sig
• Engine control module
• Engine oil level switch (base of oil pan)
• G113
• G113 (at engine to transmission stud above g115)
• Gen cycle sig
• Gen turn sig
• Lines system computer data
• Lo speed fan
• Low ref
• Map sensor sig
• Oil level sig
• Out put sig
• Park/neut sig
• Pnk
• Red
• Req torque sig
• S155
• Sens sig
• Serial data
• System
• System brakes
• System starting/charging
• Tan
• Variable ctrl

3.9L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Uplander LT 2006:

• Accelerator pedal position sensor (on accelerator bracket)
• Automatic transmission
• Elec ign fuse 15a
• Eng snsr/ evap fuse 15a
• Etc fuse 18 15a
• Fuel inj fuse 15a
• Fuel pump fuse 2 15a
• Fuel pump relay
• G113 (at engine to transmission stud above g115)
• Hot at all times
• I/p fuse block (right c1 side of dash)
• Ign
• Ign main relay
• Pcm etc fuse 9 15a
• Pcm ign fuse 14 10a
• Pnk
• Pwr/ trn relay
• S155
• S159
• S175
• Sig
• Tan
• Transmission control module (left side of engine compartment, rear of coolant reservoir, above strut tower)
• Underhood fuse block (above right front wheel well)

3.9L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Uplander LT 2006

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Uplander LT 2006:

• (on lower left "b" pillar) g301
• 5 volt ref
• A/c clutch relay
• Acc
• Air conditioning system
• App sensor 1 sig
• App sensor 2 sig
• Battery
• Body control module (below left side of dash, left of steering column)
• Cnstr/ vent fuse 19 10a
• Computer data lines system
• Cruise control system
• Cruise ctrl sig
• Engine control module
• Evap canister vent solenoid (above fuel tank)
• Evap vent sol
• Frt wsw fuse 24 15a
• Fuel level sig
• Fuel pump & sender assembly (top of fuel tank)
• Fuel pump relay
• Fuel tank pressure sensor (top of fuel tank)
• Fuel tank sens
• Hi speed fan rly
• Hot at all times
• I/p fuse block (right side of dash)
• Ignition 1 voltage
• Ignition 3
• Ignition switch
• Instrument cluster system
• Instrument panel cluster
• Lock
• Logic
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Pnk
• Rly ctrl
• Run
• S139
• S273
• S279
• S306 (w/ handicapped) (in body harness, 21 cm from c200)
• S371 (in fuel tank harness, 30 cm from c305)
• Serial data
• Start
• Starter rly ctrl
• Starting/charging system
• Stop lamp volt
• Tan
• Underhood fuse block (above right front wheel well)
• Vehicle speed sig