ENGINE PERFORMANCE – GMC Sonoma 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.2L

2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 3) for GMC Sonoma 1997

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 3) for GMC Sonoma 1997:

• (a/t only)
• (body harn)
• (front of dash harn, 11cm from tcc brake sw breakout)
• (left lower i/p)
• (left side of i/p) data link connector
• 5v ref
• A/c pres
• A/c refrigerant pressure sensor (at a/c evaporator)
• A/c req sig
• Air conditioning system
• All times
• Anti-lock brakes system
• Battery
• Brake fuse 12 10a
• Ckp ref
• Cmp sens
• Ecm batt fuse 9 20a
• Ecm ign fuse 10 20a
• Ect sensor
• Egr valve
• Flbm 5v ref
• Flbm sig
• Fuel level buffer module (under glove box)
• Fuel level sensor
• Fuel level sensor/ fuel pump
• Fuel pump
• Fuel pump prime connector (left rear corner of engine compt)
• Fuel pump relay
• Fuel tank pres
• Fuel tank pressure sensor (top of fuel tank)
• G114 (left rear of eng below ckp sensor)
• G416 (left rear crossmember)
• Gauges fuse 4 10a
• Gen term f
• Gen term l
• Generator
• Hi-res vs out
• Hot at
• Hot in run
• Hot in run or start
• I/p fuse block
• Ign
• Ign ctrl 1-4
• Ign ctrl 2-3
• Inj 1
• Inj 2
• Instrument cluster system
• Knock sensor (lower right side of eng)
• Ks signal
• Map sensor
• P/ n
• Pcm gnd
• Pcm ground
• Pnk
• Pnp sw in
• Powertrain control module (right side of eng compt)
• Red
• Relay center
• S105
• S106
• S209
• S213
• S220
• S227
• S238
• S239
• S401
• Serial data
• Tcc bk sw
• Tcc brake/ cruise control release switch
• Tft sensor
• Throttle position sensor
• Tp sensor
• Transmission range switch
• Tx range a
• Tx range b
• Tx range c
• Vss high

2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 3) for GMC Sonoma 1997

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 3) for GMC Sonoma 1997:

• (fuel inj harn, 3cm from fuel inj 3 breakout)
• 1-2 shift solenoid valve
• 1-4 coil ctrl
• 2-3 coil ctrl
• 2-3 shift solenoid valve
• 3-2 shift solenoid valve
• Automatic transaxle fluid pressure valve manual position switch
• Automatic transmission
• C pnk
• Ckp gnd
• Ckp sig
• Coil pos
• Crankshaft position sensor (right rear side of eng)
• Engine coolant temperature sensor (front of eng)
• Fuel injectors
• G112 (below exhaust manifold)
• Gnd
• Ign
• Ign ctrl a
• Ign ctrl b
• Ignition control module (top right side of eng)
• Instrument cluster system
• Nca
• Pnk
• Pressure control solenoid valve
• Prndl logic
• Red
• Ref low
• Ref sig
• S106
• S128
• S129
• S140
• Shield
• Tan
• To spark plugs
• Torque converter clutch pwm solenoid valve
• Torque converter clutch solenoid valve
• Transmission fluid temperature sensor
• Twisted wire pair
• Vehicle speed sensor (right rear of transmission)

2.2L (VIN 4), Engine Performance Wiring Diagrams (3 of 3) for GMC Sonoma 1997

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (3 of 3) for GMC Sonoma 1997:

• (left rear of eng below ckp sensor) g114
• (m/t)
• 1-2 ss valve
• 2-3 ss valve
• 3-2 ss valve
• 422 (a/t)
• 456 (m/t)
• A/ pres +5v
• A/c clutch rly
• A/t
• Air conditioning system
• Camshaft position sensor (right rear of eng)
• Cmp sens b+
• Cmp sens gnd
• Cooling fans system
• Cruise control system
• Cruise engaged
• Cruise vss out
• Ect sens
• Egr pintle pos
• Egr vlv
• Egr vlv +5v
• Eng-i fuse 5 20a
• Evap can vnt
• Evap canp
• Evaporative emission canister purge valve (right side of eng)
• Evaporative emission canister vent solenoid (near fuel tank)
• Exhaust gas recirculation (egr) valve (rear of eng)
• F pump rly
• Flbm gnd
• G112 (below exhaust manifold)
• Hot in run
• Hot in run or start
• I/p fuse block
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Iat sens
• Iat sens sig
• Icm ref lo
• Idle air control valve (on throttle body assembly)
• Inj 3 driver
• Inj 4 driver
• Instrument cluster
• Instrument cluster & sound systems
• Intake air temperature sensor (left front of eng compt)
• Lt fan ctrl
• M/t
• Malfunction indicator lamp
• Manifold absolute pressure sensor (right side of intake manifold)
• Map sens +5v
• Map sensor
• Mil ctrl
• Nca
• Pc sol
• Pc sol vlv ctrl
• Pcm gnd
• Pnk
• Pnk a
• Post conv o2
• Post- converter heated oxygen sensor (rear of catalytic converter)
• Powertrain control module (right side of eng compt)
• Pre conv o2
• Pre- converter oxygen sensor (left rear of eng)
• Red
• Red a
• S106
• S107
• S112
• S266
• Shft ind/tcc
• Shift indicator
• Tan
• Tan b
• Tan/bk
• Tcc pwm sol
• Tft sensor
• Tp sens +5v
• Trans fuse 24 10a
• Vss low
• Vss out

4.3L

4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for GMC Sonoma 1997

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for GMC Sonoma 1997:

• (oxygen sensor harn, 10cm from 4-pin conn joining oxygen sensor extension harn)
• (rear of right cylinder head)
• (top right center of engine) evaporative emissions canister purge solenoid valve
• (upper left side of throttle body) idle air control valve motor
• 1-2 shift sol. ctrl
• 2-3 shift sol. ctrl
• 3-2 ctrl sol. ctrl
• A/c comp rly ctrl
• Air conditioning system
• Anti-lock brakes system
• Cam posit sens rtn
• Cam posit sens sig
• Camshaft position sensor (side of distributor)
• Crank posit sens sig
• Crankshaft position sensor (behind right side of engine crankshaft pulley)
• Ect sens input
• Egr posit input
• Egr valve ctrl
• Evap can vent valve
• Evap sol purge ctrl
• G114 (rear of left cylinder head)
• G117
• Hall effect sensor
• Iat temp sens sig
• Idle air ctrl (iac) a hi
• Idle air ctrl (iac) b lo
• Inj no.1 ctrl
• Inj no.2 ctrl
• Inj no.3 ctrl
• Inj no.4 ctrl
• Inj no.5 ctrl
• Inj no.6 ctrl
• Knock sens sig
• Knock sensor (top left rear of engine)
• Left front heated oxygen sensor
• Left sens hi
• Left sens lo
• Map sens input
• Mass air flow sens
• Nca
• Pnk
• Pnk c
• Pnk pnk pnk pnk pnk
• Post-catalyst sens hi
• Post-catalyst sens lo
• Power
• Pre-catalyst sens hi
• Pre-catalyst sens lo
• Pre-converter heated oxygen sensor
• Rear whl speed out
• Right front heated oxygen sensor
• Right sens hi
• Right sens lo
• S106
• S112
• S140
• S317
• S318
• Tan
• Tcc on/off sol. ctrl
• Tcc pwm sol ctrl
• Throttle posit sens
• Trans temp sens sig
• Twisted wire pair
• Vapor press
• Vcm ground
• Vehicle control module (vcm) (right side of engine compt)
• Vehicle speed sensor (rear of transmission)
• Vss rtn
• Vss signal

4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for GMC Sonoma 1997

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for GMC Sonoma 1997:

• 1-2 shift sol.
• 2-3 shift sol.
• 3-2 control sol.
• Automatic transmission
• Automatic transmission fluid pressure manual valve position switch
• D2 sw
• D3 sw
• D4 sw
• Ecm ign fuse 10 20a
• Eng fuse 5 20a
• Evaporative emission canister vent valve (near fuel tank)
• Exhaust gas recirculation valve (top front of engine)
• Fuel inj. no.1
• Fuel inj. no.2
• Fuel inj. no.3
• Fuel inj. no.4
• Fuel inj. no.5
• Fuel inj. no.6
• Hot in run or start
• I/p fuse block
• Lo sw
• Nca
• Pnk
• Pnk pnk pnk tan
• Post-converter heated oxygen sensor
• Pressure control solenoid valve
• Red
• Rev sw
• S105
• S107
• Tan
• Tcc on/off sol.
• Tcc pwm sol.
• Transmission fluid temperature sensor

4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for GMC Sonoma 1997

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for GMC Sonoma 1997:

• (eng harn, 6cm from linear egr valve sol breakout)
• (eng harn, 8cm from generator breakout)
• (left rear of chassis on crossmember) g416
• 12v in
• 5v ref
• Ecm batt fuse 9 20a
• Engine coolant temperature sensor (top front of engine, in thermostat housing)
• Fuel level sensor/ fuel pump (inside fuel tank)
• Fuel pump prime connector (left rear of engine compt)
• Fuel pump relay
• Fuel pump switch/ engine oil pressure gauge sensor (near distributor)
• Fuel tank vapor pressure sensor
• G114 (rear of left cylinder head)
• G117 (rear of right cylinder head)
• Gauge input oil pressure
• Gauges fuse 4 10a
• Gnd
• Hot at all times
• Hot in off, run or start
• Hot in run or start
• I/p fuse block
• Input fuel gauge
• Input odometer speedometer &
• Instrument cluster
• Intake air temperature sensor (left front of engine compt)
• Maf sig
• Malfunction indicator lamp (mil)
• Manifold absolute pressure sensor (top right side of engine)
• Mass air flow sensor (maf) (left front of engine compt)
• Pickup
• Pnk
• Red
• Relay center (left side of i/p)
• Rtn
• S100 (eng harn, 30cm from vcm breakout)
• S101
• S102
• S106
• S108
• S209
• S213 pnk
• S220
• S241
• S250 (dash harn, 13cm from 4wd ind breakout)
• S266
• Shift indicator (w/ m/t)
• Tachometer input
• Tan
• Tan a
• Throttle position sensor
• Trans fuse 24 10a
• Utility
• Vapor

4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for GMC Sonoma 1997

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for GMC Sonoma 1997:

• (i/p harn, 21cm from 6-pin conn breakout at right side of i/p)
• (rear of left cylinder head)
• (rear of right cylinder head)
• 4wd f whl lock in
• 4wd low ind sig
• 5v ref b
• 5v ref. voltage
• 5v return
• A/c request (hi)
• A/c request (lo)
• Air conditioning system
• Anti-lock brakes system
• Brake switch input
• Bravada
• Check eng lp out
• Cpp sw in
• Cruise control system
• Cruise control system, sound system & transfer case circuit
• Cruise engaged sig
• Data link connector (dlc-partial) (lower left side of i/p)
• Distributor (top rear of engine)
• Driver's information display center
• Electronic ignition control module (top right of engine)
• Est output sig
• Front axle switch (right of differential)
• Fuel level buffer module (under glove box)
• Fuel level d
• Fuel level mod out
• Fuel level rtn
• Fuel pump rly ctrl
• Fused ign (run)
• Fused ign (run/start)
• G114
• G117
• Gauge ctrl l
• Ground
• High voltage coil wire
• Hot in run
• I/p fuse block
• Ign timing sig.
• Ignition coil (top right side of engine)
• Ignition feed
• M4 brake fuse 12 10a n3
• Mod out m
• Pnk
• Pnk a
• Power a
• Power b(+)
• Press ctrl sol lo
• Press ctrl sol. hi
• Red
• S109
• S227 (front of dash, 8cm from data link connector breakout)
• S238 (dash harn, 11cm from tcc brake switch breakout)
• S239
• S298
• Sensor in c
• Serial data sig
• Service circuit-power
• Shift ind ctrl
• Spark plugs
• Tach. sig.
• Trans press sig-bit 1
• Trans press sig-bit 2
• Trans press sig-bit 3
• Transfer case circuit
• Utility
• Vehicle control module (vcm) (right side of engine compt)
• Vss in
• Vss sig