ENGINE PERFORMANCE – Chevrolet Monte Carlo SS 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.4L VIN E

3.4L VIN E, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo SS 2003:

• (left rear of engine, below icm)
• (on brake pedal support) stoplamp switch
• (on transaxle stud)
• (pin 14-15 not used)
• (pin 2-3 not used)
• (pin 23-27 not used)
• (pin 34-37 not used)
• (pin 39-42 not used)
• (pin 49-52 not used)
• (pin 66-67 not used)
• (pin 74-75 not used)
• (pin 77-78 not used)
• 1-2 shift sol
• 2-3 shift sol
• 24x ckp sens
• 3x ref high
• 3x ref low
• A/c press sens
• A/t fluid temp
• Abs/ pcm fuse 10a
• Battery
• Bypass
• Cmp signal
• Cooling fans system
• Crankshaft position sensor (7x) (lower right side of engine)
• Cruise disable
• Dfi fuse 15a
• Ebcm feed
• Egr control
• Egr sens
• Evap purge
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 5
• Fuel inj 6
• Fuel inj fuse 15a
• Fuel injectors
• G113
• G117
• High speed fan
• Ho2s 2 low
• Ho2s low
• Hot at all times
• Hot in on or start
• Iac b high
• Iat sens
• Ic control
• Ignition
• Ignition control module (top center rear of engine)
• Iss sens high
• Iss sens low
• Knock sens
• Left i/p junction block (left end of dash)
• Low ref
• Low speed fan
• Maf sens
• Map 5v ref
• Map sens
• Pcm fuse 15a
• Pcm ground
• Pcm,bcm/ cluster fuse 10a
• Pnk
• Pnk b
• Powertrain control module (pcm) (in air cleaner box)
• S106
• S109
• S158
• Serial data
• Spark plugs
• Tan
• Tcc brake sw
• Tp sens
• Tr switch b
• Trans sol fuse 10a
• Underhood junction block (bottom) (right side of engine compt)
• Underhood junction block (top) (right side of engine compt)
• Vss high
• Vss low
• Vss output

3.4L VIN E, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo SS 2003:

• (not used)
• (or 450)
• (or 7062)
• 12v ref
• 2a2
• 2a3
• 5 volt ref
• Accessory wakeup serial data
• Anti-theft system
• Battery +
• Bcm fuse 10a
• Body control module (bcm) (left side of dash)
• Brake sw sig
• Computer data lines system
• Cruise control system
• Cruise ctrl dimm sig
• Ctsy fuse 15a
• Drl relay ctrl
• Exterior lights system
• Fog lamp relay ctrl
• Front fog lamp sw sig
• G103 (except hybrid: front of right cylinder head) (hybrid: lower left front of engine block)
• G201 (left end of dash)
• Ground
• Headlamp hi beam relay ctrl
• Headlights system
• Hi spd gmlan serial data bus (+)
• Hi spd gmlan serial data bus (-)
• Hood ajar sw sig
• Hot at all times
• Hybrid
• I/p fuse block (left end of dash)
• I/p lamp dimmer sw sig
• Indicator dim ctrl
• Interior lights system
• Ipc fuse 46 10a
• Is lamps fuse 10a
• J106 (6.0l (vin j))
• Led dim ctrl
• Lo spd serial data
• Low ref
• Lt stop trn fuse 15a
• Lt trlr turn sig lamp
• Net work bus
• Not used
• Power distribution system
• Right i/p junction block (right end of dash)
• Rt frt turn sig lamp ctrl
• Rt stop trn fuse 15a
• Rt trlr turn sig lamp
• Run/crank relay ctrl
• Security ind ctrl
• Serial data comm enable
• Stop lamps fuse 15a
• Tan
• Underhood fuse block (left side of engine compt)
• Washer relay ctrl
• Wiper motor park sw sig
• Wiper/washer system
• X209

3.4L VIN E, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo SS 2003:

• (or 1334)
• (or 1335)
• Anti-theft system
• Backup lp ctrl
• Body control module (bcm) (left side of dash)
• Brake sig
• Chmsl ctrl
• Courtesy lamp ctrl
• Current sens ctrl
• Current sens sig
• Door lk ctrl
• Door locks system
• Door unlk ctrl
• Endgate latch rly cntrl
• Endgate rly cntrl
• Exterior lights system
• Headlamp lo beam relay ctrl
• Headlights system
• Hood closed sw sig
• Horn relay ctrl
• Horns system
• Ign volt
• Ign voltage
• Instrument cluster system
• Interior lights system
• Intrusion sens alarm on sig
• Intrusion sens armed sig
• L tail lamp sig
• Liftgate ajar sw
• Liftglass release cntrl
• Liftglass release sig
• Low ref
• Lt frt turn sig lamp ctrl
• Lt rr door ajar sw sig
• Out of park sig
• Park brake sw sig
• Park lamp relay ctrl
• Pnk
• Power distribution & wiper/washer systems
• Power distribution system
• Power windows system
• Pwr win mstr sw lkout rear sig
• Pwr win mstr sw lkout sig
• Pwr win mstr sw lr dn sig
• Pwr win mstr sw lr up sig
• Pwr win mstr sw rr dn sig
• Pwr win mstr sw rr up sig
• Rear handle sw open sig
• Rear wiper sw
• Rt rr door ajar sw sig
• Seats system
• Starting/charging system
• Stop lamp ctrl
• Tan
• Trunk, tailgate, fuel doors system
• Wiper sw hi sig
• Wiper sw sig 2
• Wiper/washer system

3.4L VIN E, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo SS 2003:

• (left rear wheelwell)
• (pin 12-15 not used)
• (pin 20-22 not used)
• (pin 40-41 not used)
• (pin 47-48 not used)
• (pin 51-54 not used)
• (pin 64-65 not used)
• (pins 36,38 not used)
• 5v ref a
• 5v ref b
• A/c clutch rly
• A/c refrig press
• A/c system
• Abs/ pcm fuse 10a
• Automatic transaxle
• C10
• C113
• Camshaft position sensor (left front of engine, below intake plenum)
• Ckp sens
• Cmp sens
• Crank rly
• Crankshaft position sensor (24x) (at end of crankshaft)
• Cruise status
• D11
• Ebcm feed
• Ect sens
• Egr pos signal
• Egr val cntrl
• Evap can vent
• Evap canister vent solenoid
• Exhaust gas recirculation (egr) valve (top rear rear of engine)
• Ftp sens
• Ftp sens
• Fuel inj 4
• Fuel level sens
• Fuel pump relay
• G113
• Generator
• Generator l term
• Ho2s 1 high
• Ho2s 2 high
• Ho2s htr low
• Hot in on or start
• Hot in start
• Iac a high
• Iac valve a low
• Iac valve b
• Iat sens
• Idle air control (iac) valve (on throttle body)
• Ignition
• Instrument panel cluster
• Intake air temperature (iat) sensor (in air intake duct)
• Left i/p junction block (left end of dash)
• Low ref
• Malfunction indicator lamp
• Map sens
• Mil control
• Oil level sw
• Oil press sw
• Pc sol high
• Pc sol low
• Pcm (crank) fuse 10a
• Pcm crank pwr
• Pcm,bcm/ cluster fuse 10a
• Pnk
• Powertrain control module (pcm) (in air cleaner box)
• Red
• Red b
• Red e
• S106
• S169 (w/ abs)
• Starting system
• Tan
• Tan b
• Tcc pwm sol
• Tcc release sw
• Tft sens
• Tp sens
• Tr switch c
• Tr switch d
• Tr switch p
• Trans- mission internal mode switch

3.8L VIN K

3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo SS 2003:

• (ign harn, top of eng, near icm)
• (left rear of engine, below icm)
• (on brake pedal support) stoplamp switch
• (pin 14-15 not used)
• (pin 2-3 not used)
• (pin 23-27 not used)
• (pin 35-37 not used)
• (pin 39-42 not used)
• (pin 49-52 not used)
• (pin 66-67 not used)
• (pin 74-75 not used)
• (pin 77-78 not used)
• 1-2 shift sol
• 18x ref
• 2-3 shift sol
• 3x ref
• A/c press sens
• A/t fluid temp
• Abs/ pcm fuse 10a
• Bank 1 ks sig
• Bank 2 ks sig
• Battery
• Bypass
• Camshaft position (cmp) sensor (right side of engine)
• Cmp signal
• Cooling fans system
• Crankshaft position (ckp) sensor (at end of crankshaft)
• Cruise disable
• Dfi mdl fuse 15a
• Ebcm feed
• Ect sens
• Egr control
• Egr sens
• Evap purge
• Fuel inj 1
• Fuel inj 2
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj fuse 15a
• Fuel injectors
• G113
• High speed fan
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in on or start
• Iac b high
• Iat sens
• Ign control
• Ignition
• Ignition control module (top left front of eng)
• Iss sens high
• Iss sens low
• Left i/p junction block (left end of dash)
• Low speed fan
• Maf sens
• Map 5v ref
• Map sens
• Not used
• Pcm fuse 15a
• Pcm ground
• Pcm,bcm/ cluster fuse 10a
• Pnk
• Pnk p
• Powertrain control module (pcm) (in air cleaner box)
• Ref low
• S106
• S109
• S144
• S145
• Serial data
• Spark plugs
• Tan
• Tcc brake sw
• Tp sens
• Tr switch b
• Trans sol fuse 10a
• Underhood junction block (bottom) (right side of engine compt)
• Underhood junction block (top) (right side of engine compt)
• Vss high
• Vss low
• Vss output

3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo SS 2003:

• (chassis harness, approxi- mately 5 cm from g305 breakout) j301
• (instrument panel harness, in transfer case shift control module connector breakout) (w/o single speed active transfer case & two speed active transfer case push button) j207
• (left side of dash)
• 10 series
• 20 series
• 6.0l (vin g)
• Accessory wakeup serial data
• Automatic transmission
• B10
• Body control
• Control solenoid valve assembly
• Control w/o bi-state real time damping chassis package
• Data link resistor
• Data link resistor 1 (rear chassis crossmember)
• Electronic brake control module (ebcm) (left rear frame rail)
• Electronic compass module (w/ comfort & decor level 3 convenience package) (left rear of headliner)
• Electronic suspension control (esc) module (left rear of frame chassis)
• Engine control module (ecm) (left side of engine compt)
• Except 6.0l (vin g)
• Fuel pump flow control module (w/o integrated trailer brake control) fuel pump/trailer brake control module (w/ integrated trailer brake control)
• Hi spd gmlan ser data bus (+)
• Hi spd gmlan ser data bus (-)
• High speed gmlan serial data bus +
• High speed gmlan serial data bus + x1
• High speed gmlan serial data bus -
• J104 (engine harness, approximately 15 cm from engine control module connector breakout)
• Left i/p junction block (left end of dash)
• Left i/p junction block (left end x10
• Lin bus
• Low reference
• Low speed gmlan serial data
• Module (bcm)
• Of dash)
• Serial data comm- unication enable
• Serial data communication enable
• Serial data wake up signal
• Tan
• Trailer brake control module
• Transfer case & two speed active transfer case push button
• Transfer case shift control module (left end of dash)
• Vehicle communication interface module (vcim) (center of dash)
• W/ bi-state real time damping chassis package
• W/ integrated trailer brake control
• W/ integrated trailer brake control w/o bi-state real time damping chassis package
• W/ onstar
• W/ signal speed active
• W/o bi-state real time damping chassis package
• W/o integrated trailer brake
• W/o onstar
• W/o signal speed active
• X109
• X115

3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo SS 2003:

• (engine harn, right front of engine near c112)
• (in exhaust manifold, rear of engine) heated oxygen sensor 1
• (in exhaust, post catalytic converter) heated oxygen sensor 2
• (left side of brake pedal bracket) g203
• (on transaxle stud)
• A tan
• B12
• C10
• D pnk
• D11
• Eng devices fuse 10a
• Evap canister purge solenoid (top front of engine)
• F/pmp rly fuse 15a
• Fuel pump and sender assembly
• Fuel pump relay
• Fuel pump/ level sensor
• Fuel tank pressure sensor
• G113
• G302 (base of
• Hot at all times
• Hot in on or start
• Mass airflow sensor (top of throttle body)
• Nca
• Of dash)
• Oxy sen fuse 15a
• Pnk
• Pnk a
• Pnk c
• Right "a" pillar)
• Right i/p junction block (right end c1
• S106
• S131
• S157
• S158
• S174
• Tan
• Under- hood junction block (bottom) (right side of engine compt)
• Underhood junction block (top) (right side of engine compt)

3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo SS 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo SS 2003:

• 87a
• Coil ctrl
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• Fan cntrl relay
• Fan hi relay
• Fan lo relay
• Fan-1 fuse 57 40a
• Fan-2 fuse 60 40a
• G100 (lower left radiator support)
• G101 (lower right radiator support)
• Hot at all times
• J100
• J101
• Left cooling fan (behind radiator)
• Pwr/ trn relay
• Right cooling fan (behind radiator)
• Sens sig
• Tan
• Under- hood fuse block (left side of engine compt)
• X1 rly ctrl
• X2 low ref