ENGINE PERFORMANCE – Isuzu Hombre S 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.2L

2.2L, Engine Performance Wiring Diagrams (1 of 3) for Isuzu Hombre S 1998

List of elements for 2.2L, Engine Performance Wiring Diagrams (1 of 3) for Isuzu Hombre S 1998:

• (behind left side of dash) sp201
• (brake pedal bracket) stoplight switch
• (clutch pedal bracket) manual transmission clutch start switch
• (inside of left rear frame rail) g416
• (left frame rail, near transmission) sp422
• (left side of dash) data link connector
• (m/t only)
• (not used)
• 5v ref
• A/c pres
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c req sig
• A/t
• A10
• Abs fuse 22 10a
• Air conditioning system
• All times
• Anti-lock brakes system
• B10
• Battery
• Ckp ref
• Clstr fuse 11 10a
• Cmp sens
• Cruise control system
• Ecm b fuse 20a
• Ecm i fuse 15a
• Ect sensor
• Egr valve
• Fuel level in
• Fuel level sensor
• Fuel level sensor/ fuel pump
• Fuel level sensor/ fuel pump (top of fuel tank)
• Fuel pump
• Fuel pump relay
• Fuel tank pres
• Fuel tank pressure sensor (top of fuel tank)
• G117 (right rear of engine)
• G120 (right side of engine)
• Gen term l
• Generator
• Hi-res vs out
• Hot at
• Hot in off, run or start
• Hot in run
• Hot in run or start
• I/p fuse block
• Ign
• Ign ctrl 1-4
• Ign ctrl 2-3
• Ign in
• Inj 1
• Inj 2
• Knock sensor (lower right side of eng)
• Ks signal
• M/t
• Map sensor
• P/n
• Pcm gnd
• Pcm ground
• Pnk
• Powertrain control module (right front of engine compartment)
• Prndl "a"
• Prndl "b"
• Prndl "c"
• Prndl "p"
• Red
• Serial data ii
• Sp202 (left center of dash)
• Tcc/clutch sw
• Tft sensor
• Throttle position sensor (throttle body)
• Tp sensor
• Transmission range switch (left side of transmission)
• Tx range a
• Tx range b
• Tx range c
• Underhood bussed electrical center
• Vss high

2.2L, Engine Performance Wiring Diagrams (2 of 3) for Isuzu Hombre S 1998

List of elements for 2.2L, Engine Performance Wiring Diagrams (2 of 3) for Isuzu Hombre S 1998:

• 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
• Ckp gnd
• Ckp sig
• Coil pos
• Crankshaft position sensor (lower right side of engine)
• Electronic ignition control module (right side of engine)
• Engine coolant temperature sensor (front of engine)
• Fuel injectors
• G117 (right rear of engine)
• Gnd
• Ign
• Ign ctrl a
• Ign ctrl b
• Nca
• Pnk
• Position signal c pnk
• Pressure control solenoid valve
• Red
• Ref low
• Ref sig
• S133
• 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, Engine Performance Wiring Diagrams (3 of 3) for Isuzu Hombre S 1998

List of elements for 2.2L, Engine Performance Wiring Diagrams (3 of 3) for Isuzu Hombre S 1998:

• (right side of engine) g120
• 1-2 ss valve
• 2-3 ss valve
• 3-2 ss valve
• A/ pres +5v
• A/c clutch rly
• A11
• Air conditioning system
• Camshaft position sensor (right side of engine)
• Cmp sens b+
• Cmp sens gnd
• Cruise control system
• Cruise engaged
• Ect sens
• Egr pintle pos
• Egr vlv
• Egr vlv +5v
• Eng-i fuse 10a
• Evap can vnt
• Evap canp
• Evaporative emission canister purge solenoid valve (right side of engine)
• Evaporative emission canister vent solenoid valve (rear of fuel tank)
• F pump rly
• G120 (right side of engine)
• Hot in run or start
• 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 system
• Intake air temperature sensor (in air intake duct)
• Linear exhaust gas recirculation (egr) valve (top rear of engine)
• Manifold absolute pressure sensor (top center of engine)
• Map sens +5v
• Map sensor
• Mil ctrl
• Nca
• Oxygen fuse 20a
• Pc sol
• Pc sol vlv ctrl
• Pcm gnd
• Pnk
• Post conv o2
• Post- converter heated oxygen sensor (in exhaust system, after catalytic converter)
• Powertrain control module (right front of engine compartment)
• Pre conv o2
• Pre- converter oxygen sensor (in exhaust manifold)
• Red
• Shft ind/tcc
• Sound systems
• Tan
• Tan/bk
• Tcc pwm sol
• Tft sensor
• Tp sens +5v
• Under- hood bussed electrical center
• Vss low
• Vss out

4.3L

4.3L, Engine Performance Wiring Diagrams (1 of 4) for Isuzu Hombre S 1998

List of elements for 4.3L, Engine Performance Wiring Diagrams (1 of 4) for Isuzu Hombre S 1998:

• (in left exhaust pipe, in front of catalytic converter)
• (on throttle body assembly) idle air control valve motor
• (top right rear of engine) evaporative emissions canister purge solenoid valve
• 1-2 shift sol. ctrl
• 2-3 shift sol. ctrl
• 2wd
• 3-2 ctrl sol. ctrl
• 4wd
• Anti-lock brakes system
• C116 (m-m) (top rear of automatic transmission)
• Cam posit sens rtn
• Cam posit sens sig
• Camshaft position sensor (in distributor)
• Crank
• Crank posit sens sig
• Crankshaft position sensor (on front of engine, near crankshaft pulley)
• Ect sens input
• Egr posit input
• Evap can vent valve
• G114 (left rear of engine)
• G117 (right rear of engine)
• 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 center of engine)
• Left front heated oxygen sensor
• Left sens hi
• Left sens lo
• Map sens input
• Mass air flow sens
• Nca
• Pnk
• Pnk c
• Post-catalyst sens hi
• Post-catalyst sens lo
• Rear whl speed out
• Ref hi
• Ref lo
• Right front heated oxygen sensor (in right exhaust pipe, in front of catalytic converter)
• Right sens hi
• Right sens lo
• Tach out
• Tan
• Tcc on/off sol. ctrl
• Tcc pwm sol ctrl
• Throttle posit sens
• Trans temp sens sig
• Vapor press
• Vehicle control module (right side of engine compt)
• Vehicle speed sensor (right rear of transmission, or left rear of transfer case)
• Vss rtn
• Vss signal

4.3L, Engine Performance Wiring Diagrams (2 of 4) for Isuzu Hombre S 1998

List of elements for 4.3L, Engine Performance Wiring Diagrams (2 of 4) for Isuzu Hombre S 1998:

• 1-2 shift sol.
• 2-3 shift sol.
• 3-2 control sol.
• Automatic transmission
• Automatic transmission fluid pressure manual valve position switch
• B10
• C10
• Central sequential fuel injection (top center of engine)
• D10
• D2 sw
• D3 sw
• D4 sw
• E10
• Ecm b fuse 20a
• Ecm i fuse 15a
• Eng i fuse 10a
• Evaporative emissions canister vent solenoid valve (rear of fuel tank)
• Exhaust gas recirculation valve (top front of engine)
• F10
• Fuel inj.
• Hot at all times
• Hot in run or start
• Lo sw
• Oxygen fuse 20a
• Pnk
• Post-converter heated oxygen sensor (in exhaust system, after catalytic converter)
• Pressure control solenoid valve
• Red
• Rev sw
• Tan
• Tcc on/off sol.
• Tcc pwm sol.
• Transmission fluid temperature sensor
• Under- hood bussed electrical center

4.3L, Engine Performance Wiring Diagrams (3 of 4) for Isuzu Hombre S 1998

List of elements for 4.3L, Engine Performance Wiring Diagrams (3 of 4) for Isuzu Hombre S 1998:

• (left rear frame rail)
• (not used)
• 12v in
• 5v ref
• A/t
• A10
• A11
• Cruise control system
• Ecm b fuse 20a
• Engine coolant temperature sensor (left cylinder head, between 2 rear spark plugs)
• Fuel level sensor (w/fuel pump) (top of fuel tank)
• Fuel pump prime connector
• Fuel pump relay
• Fuel pump switch & engine oil pressure gauge sensor (near distributor)
• Fuel tank pressure sensor (top of (fuel tank)
• G114 (left rear of engine)
• G416
• Gauge input oil pressure
• Gnd
• Hot at all times
• Instrument cluster
• Intake air temperature sensor (in fresh air intake duct)
• M/t
• Maf sig
• Manifold absolute pressure sensor (top center of engine)
• Manual transmission clutch start switch (clutch pedal bracket)
• Mass air flow sensor (on air intake assembly)
• Mil (check engine) input
• Pnk
• Red
• Rtn
• Splice pack 422 (left side of dash)
• Splice pack sp202 (center of dash)
• Tachometer input
• Tan
• Tan a
• Throttle position sensor (on throttle body assembly)
• Underhood bussed electrical center
• Vapor
• Vss signal

4.3L, Engine Performance Wiring Diagrams (4 of 4) for Isuzu Hombre S 1998

List of elements for 4.3L, Engine Performance Wiring Diagrams (4 of 4) for Isuzu Hombre S 1998:

• (center of dash) splice pack sp200
• (left rear of engine)
• (left rear of engine) g114
• (m/t)
• (not used)
• (under left side of dash) data link connector
• 2wd
• 4wd
• 4wd f whl lock in
• 4wd fuse 15 10a
• 4wd low ind sig
• 5v ref. voltage
• 5v return
• A (not used)
• A/c comp relay ctrl
• A/c request (hi)
• A/c request (lo)
• A/t
• A12
• Abs fuse 22 10a
• Air conditioning system
• Am/fm stereo radio
• Anti-lock brakes system
• Brake switch input
• Check eng lp out
• Clstr fuse 11 10a
• Cpp sw sig in
• Cruise control system
• Cruise engaged sig
• Distributor (top rear of engine)
• Dlc
• Egr valve hi
• Egr valve lo
• Electronic ignition control module
• Est output sig
• Evap cann sol ctrl
• Front axle switch
• Fuel level sig in
• Fuel pump rly ctrl
• Fused ign
• Fused ign (run)
• Fused ign (run/start)
• G114
• G114 (left rear of engine)
• Gen ctrl
• Generator
• Ground
• High voltage coil wire
• Hot in off, run or start
• Hot in run
• I/p fuse block
• Ign timing sig.
• Ignition coil
• Ignition coil assembly (top right side of engine)
• Ignition feed
• Instrument cluster system
• J (not used)
• Nca
• P/n
• Pnk
• Power b(+)
• Press ctrl sol lo
• Press ctrl sol. hi
• Prndl a sig in
• Prndl b sig in
• Prndl c sig in
• Prndl p sig in
• Red
• Scv in
• Sensor grd
• Serial data class ii
• Serial data sig
• Spark plugs
• Splice pack 201 (left side of dash)
• Splice pack sp200 (center of dash)
• Stoplight switch (brake pedal support bracket)
• Tach. sig.
• Trans press sig-bit 1
• Trans press sig-bit 2
• Trans press sig-bit 3
• Transfer case control module
• Transmission range switch (left side of transmission)
• Transmission system
• Transmissions system
• Truck body control module (behind dash, on heater)
• Vcm grd
• Vehicle control module (right front of engine compt)
• Vss out
• Vss sig