1998 ISUZU Hombre

Isuzu Hombre S 1998 - BUZZERS, RELAYS & TIMERS

Isuzu Hombre S 1998 BUZZERS, RELAYS & TIMERS

Component	Component Location
A/C Compressor Clutch Relay	In underhood bussed electrical center.
Blower Motor Relay	On center rear of engine compartment.
CHMSL Relay	In underhood bussed electrical center.
Courtesy Light Relay	In body bussed electrical center.
Daytime Running Lights (DRL) Relay	In underhood bussed electrical center.
Door Lock Relays (2)	In body bussed electrical center.
Door Unlock Relay	In body bussed electrical center.
Foglight Relay	In underhood bussed electrical center.
Fuel Pump Relay	In underhood bussed electrical center.
Headlight Ground Relay	In underhood bussed electrical center.
Headlight Power Relay	In underhood bussed electrical center.
Horn Relay	In underhood bussed electrical center.
Inadvertent Power Light Relay	In body bussed electrical center.
Key Buzzer	In steering column, in ignition switch.
Parklight Relay	In body bussed electrical center.
Retained Accessory Power (RAP) Relay	In body bussed electrical center.
Starter Relay	In underhood bussed electrical center.
Turn Signal Light Flasher	Behind right side of dash.

Isuzu Hombre S 1998 - CIRCUIT PROTECTION DEVICES

Isuzu Hombre S 1998 CIRCUIT PROTECTION DEVICES

Component	Component Location
A/C Compressor Clutch Diode (2.2L VIN 4)	In A/C compressor clutch wire harness, between A/C compressor & engine harness breakout. See Fig. 1.
A/C Compressor Clutch Diode (4.3L VIN X)	In A/C compressor clutch wire harness, behind compressor. See Fig. 5.
Anti-Lock Diode	In instrument cluster.
Battery Megafuse	On right side of radiator support, below battery.
Body Bussed Electrical Center (BBEC)	Behind left side of dash, near I/P fuse block.
Brake Warning Diode	In instrument cluster.
Daytime Running Lights (DRL) Diode	In underhood bussed electrical center.
I/P Fuse Block	On left side of dash.
Power Window Circuit Breaker	In body bussed electrical center.
Underhood Bussed Electrical Center (UBEC)	On top of left front fender wall. See Fig. 6.

Isuzu Hombre S 1998 - CONTROL UNITS

Isuzu Hombre S 1998 CONTROL UNITS

Component	Component Location
Cruise Control Module	On left side of firewall.
Electrohydraulic Control Unit (ECU)	On left front inner fender.
Electronic Brake Control Module (EBCM)	On left front inner fender, part of electrohydraulic control unit. See Fig. 6.
Electronic Ignition Control Module (EICM) (2.2L VIN 4)	On right side of engine, near camshaft position sensor. Part of electronic ignition coil & assembly. See Fig. 2.
Electronic Ignition Control Module (EICM) (4.3L VIN X)	On top right side of engine. Part of electronic ignition coil & assembly.
HVAC Controller	Under center of dash.
Inflatable Restraint Sensing & Diagnostic Module (SDM)	Under console & carpet, between front seats.
Powertrain Control Module (PCM) (2.2L VIN 4)	On right front of engine compartment.
Transfer Case Control Module (TCCM)	Behind right kick panel.
Truck Body Control (TBC) Module	Behind dash, mounted on heater.
Vehicle Control Module (VCM) (4.3L VIN X)	On right front of engine compartment.
Windshield Wiper Pulse Control Module	On center of firewall.

Isuzu Hombre S 1998 - MOTORS

Isuzu Hombre S 1998 MOTORS

Component	Component Location
Blower Motor	On right rear of engine compartment.
Door Lock Actuators (2)	In rear of each door.
Mode Door Motor (Lower)	On left side of air distributor module.
Mode Door Motor (Upper)	On right side of air distributor module.
Park Pawl Actuator (Transmission Shift Lever) (A/T)	On steering column, on transmission shift lever.
Power Window Motors (2)	In each door.
Recirculation Door Motor	Behind right side of dash.
Windshield Washer Pump	In washer fluid reservoir, on left front of engine compartment. See Fig. 6.
Windshield Wiper Motor	On center of firewall, part of windshield wiper pulse control module.

Isuzu Hombre S 1998 - SENDING UNITS & SENSORS

Isuzu Hombre S 1998 SENDING UNITS & SENSORS

Component	Component Location
A/C Refrigerant Pressure Sensor (2.2L VIN 4)	On A/C evaporator tube.
Camshaft Position (CMP) Sensor (2.2L VIN 4)	In right side of engine, near spark plug wires. See Fig. 3.
Camshaft Position (CMP) Sensor (4.3L VIN X)	In distributor.
Crankshaft Position (CKP) Sensor (2.2L VIN 4)	Lower right side of engine, below ignition coil. See Fig. 3.
Crankshaft Position (CKP) Sensor (4.3L VIN X)	On front of engine, near crankshaft pulley.
Engine Coolant Temperature (ECT) Sensor (2.2L VIN 4)	In coolant piping, on front of engine. See Fig. 1.
Engine Coolant Temperature (ECT) Sensor (4.3L VIN X)	In left cylinder head, between two rear spark plugs. See Fig. 5.
Fuel Level Sensor (w/Fuel Pump)	On top of fuel tank.
Fuel Pump Switch & Engine Oil Pressure Gauge Sensor (2.2L VIN 4)	On right side of engine. See Fig. 2.
Fuel Pump Switch & Engine Oil Pressure Gauge Sensor (4.3L VIN X)	On top rear of engine, near distributor. See Fig. 4.
Fuel Tank Pressure Sensor	Top of fuel tank.
Heated Oxygen Sensor (HO2S) (Left Front) (Bank 1 Sensor 1) (4.3L VIN X)	In left exhaust pipe, in front of catalytic converter.
Heated Oxygen Sensor (HO2S) (Post-Converter) (Bank 1 Sensor 3) (4.3L VIN X)	In exhaust system, after catalytic converter.
Heated Oxygen Sensor (HO2S) (Pre-Converter) (Bank 1 Sensor 2) (4.3L VIN X)	In exhaust system, before catalytic converter.
Heated Oxygen Sensor (HO2S) (Right Front) (Bank 2 Sensor 1) (4.3L VIN X)	In right exhaust pipe, in front of catalytic converter.
Heated Oxygen Sensor (HO2S) 2 (Post-Converter) (2.2L VIN 4)	In exhaust system, after catalytic converter.
Inflatable Restraint Front End Discriminating Sensors (2)	On frame rail on respective sides of engine compartment.
Intake Air Temperature (IAT) Sensor (2.2L VIN 4)	In fresh air intake duct.
Intake Air Temperature (IAT) Sensor (4.3L VIN X)	In fresh air intake duct.
Knock Sensor (KS) (2.2L VIN 4)	On lower right side of engine. See Fig. 3.
Knock Sensor (KS) (4.3L VIN X)	On top center of engine. See Fig. 5.
Manifold Absolute Pressure (MAP) Sensor (2.2L VIN 4)	On top center of engine. See Fig. 1.
Manifold Absolute Pressure (MAP) Sensor (4.3L VIN X)	On top center of engine. See Fig. 4.
Mass Airflow (MAF) Sensor (4.3L VIN X)	On air intake assembly.
Oxygen Sensor (O2S) 1 (Pre-Converter) (2.2L VIN 4)	In exhaust manifold.
Passlock Sensor	At ignition switch.
Throttle Position (TP) Sensor (2.2L VIN 4)	On throttle body assembly. See Fig. 1.
Throttle Position (TP) Sensor (4.3L VIN X)	On throttle body assembly. See Fig. 5.
Vehicle Speed Sensor (VSS) (2.2L VIN 4)	On right rear of transmission.
Vehicle Speed Sensor (VSS) (4.3L VIN X) (A/T, w/o Transfer Case)	On right rear of transmission.
Vehicle Speed Sensor (VSS) (4.3L VIN X) (Electric Shift 4WD)	On left rear of transfer case.
Vehicle Speed Sensor (VSS) (4.3L VIN X) (M/T, w/o Transfer Case)	On left rear of transmission.
Wheel Speed Sensors (2)	Inside of respective front wheel.

Isuzu Hombre S 1998 - SOLENOIDS & SOLENOID VALVES

Isuzu Hombre S 1998 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Air Temperature Valve Electric Actuator	On top right side of heater.
Brake Pressure Modulator Valve (BPMV)	On left front inner fender, part of electrohydraulic control unit.
Brake Transmission Shift Interlock (BTSI) Solenoid (A/T)	On steering column, in shift lever.
Evaporative Emissions (EVAP) Canister Purge Solenoid Valve (2.2L VIN 4)	On right side of engine, above ignition coil. See Fig. 2.
Evaporative Emissions (EVAP) Canister Purge Solenoid Valve (4.3L VIN X)	On top right rear of engine. See Fig. 4.
Evaporative Emissions (EVAP) Canister Vent Solenoid Valve	On crossmember, rear of fuel tank.
Exhaust Gas Recirculation (EGR) Valve (4.3L VIN X)	On top front of engine.
Idle Air Control (IAC) Valve (2.2L VIN 4)	On throttle body assembly. See Fig. 1.
Idle Air Control (IAC) Valve (4.3L VIN X)	On throttle body assembly. See Fig. 5.
Linear Exhaust Gas Recirculation (EGR) Valve (2.2L VIN 4)	On top rear of engine. See Fig. 1.
Pressure Control Solenoid (PC SOL) Valve	Inside automatic transmission.
Torque Converter Clutch Pulse Width Modulation Solenoid (TCC PWM SOL) Valve	Inside automatic transmission.
Torque Converter Clutch Solenoid (TCC SOL) Valve	Inside automatic transmission.
1-2 Shift Solenoid (1-2 SS) Valve	Inside transmission.
2-3 Shift Solenoid (2-3 SS) Valve	Inside transmission.
3-2 Shift Solenoid (3-2 SS) Valve	Inside transmission.

Isuzu Hombre S 1998 - SWITCHES

Isuzu Hombre S 1998 SWITCHES

Component	Component Location
A/C Compressor Clutch Switch	On A/C compressor.
A/C Compressor Pressure Cycling Switch (4.3L VIN X)	At A/C accumulator.
A/C Compressor High Pressure Switch (4.3L VIN X)	On rear of A/C compressor. See Fig. 5.
Automatic Transmission Fluid Pressure (A/T TFP) Manual Valve Position Switch	Inside transmission.
Back-Up Light Switch (A/T)	Part of transmission range switch.
Back-Up Light Switch (2.2L VIN 4) (M/T)	On right side of transmission.
Back-Up Light Switch (4.3L VIN X) (M/T)	On left side of transmission.
Brake Pressure Warning Switch	At right end of EBCM.
Clutch Pedal Position (CPP) & Cruise Control Cutout Switch (M/T)	On clutch pedal support bracket.
Front Axle Switch	On front axle, right of differential.
Inflatable Restraint I/P Module Switch	On dash, left of radio.
Liftgate Lock Switch	On bottom center of liftgate.
Manual Transmission (M/T) Clutch Start Switch	On clutch pedal support bracket.
Mode Door Switch	Part of HVAC controller.
Park Brake Warning Switch	On base of park brake assembly.
Park/Neutral Position (PNP) Switch	Part of transmission range switch.
Park Switch	Part of park pawl actuator.
Seat Belt Switch (2)	Under each respective front seat.
Stoplight Switch	On brake pedal support bracket.
Transmission Range (TR) Switch	On left side of transmission.

Isuzu Hombre S 1998 - MISCELLANEOUS

Isuzu Hombre S 1998 MISCELLANEOUS

Component	Component Location
Auxiliary Power Outlet (2)	On center of dash.
B Stud	On underhood bussed electrical center.
Blower Motor Resistor	On right rear of engine compartment, on blower module.
Center High Mount Stoplight (CHMSL) Resistor	In body harness 10 cm before breakout to center high mounted stoplights.
Data Link Connector (DLC)	Under left side of dash.
Distributor (4.3L VIN X)	Top rear of engine. See Fig. 4.
Electronic Ignition Coil & Assembly (2.2L VIN 4)	On right side of engine.
Electronic Ignition Coil & Assembly (4.3L VIN X)	On top right side of engine.
Fuel Injectors (2.2L VIN 4)	On top of engine, at intake ports.
Fuel Injectors (4.3L VIN X)	On top of engine, at intake ports.
Fuel Pump Prime Connector	In underhood bussed electrical center.

Isuzu Hombre S 1998 - CONNECTORS

Isuzu Hombre S 1998 CONNECTORS

Component	Component Location
C100 (Black, 6 Pin)	Engine harness to heated oxygen sensor extension harness, rear of engine compartment, near A/C accumulator.
C101 (Black, 10 Pin)	Engine harness to body harness, right of engine compartment, near powertrain control module.
C104 (Black, 6 Pin)	Chassis to engine harness, left side of transmission.
C109 (Yellow, 2 Pin)	SIR body harness to anti-lock brake 4WAL harness connector, left side of engine compartment, near EBCM.
C111 (2.2L VIN 4) (Natural, 5 Pin)	Rear of engine, at fuel rail. See Fig. 2.
C114 (Black, 2 Pin)	Body harness to front axle switch extension harness, near EBCM.
C117 (Black, 4 Pin)	Engine harness to oxygen sensor, right rear of automatic transmission.
C120 (Dark Gray, 8 Pin)	Engine harness to AIR harness, near VCM.
C175 (Gray, 20 Pin)	Engine harness to A/T connector, on right side of transmission.
C203 (Black, 16 Pin)	Body harness to dash harness, right of dash.
C209 (Black, 16 Pin)	Body harness to dome harness, at left front of dash, at left front window.
C217 (Black, 4 Pin)	Body harness to dash harness, at top left side of dash, near left window pillar, below dash fuse block.
C223 (Natural, 2 Pin)	Dash harness to auxiliary power tray, left of C203.
C224 (Black, 4 Pin)	Body harness to ashtray, in front of dash, to rear of ashtray.
C317 (Black, 6 Pin)	Body harness to left front seat belt switch & power seats, under left front seat.
C401 (Black, 5 Pin)	In rear, left side of frame rail.
C500 (Black, 13 Pin)	Body harness to left front door harness, in left front door.
C501 (Black, 16 Pin)	Body harness to left front door harness, in left front door.

Isuzu Hombre S 1998 - GROUNDS

Isuzu Hombre S 1998 GROUNDS

Component	Component Location
G102 (2.2L VIN 4)	Engine harness, right front of engine, under generator. See Fig. 2.
G102 (4.3L VIN X)	Engine harness, right rear of cylinder head. See Fig. 4.
G103 (2.2L VIN 4)	Engine harness, right front of engine, under generator. See Fig. 2.
G103 (4.3L VIN X)	Engine harness, right rear of cylinder head. See Fig. 4.
G104 (4.3L VIN X)	Engine harness, left rear of cylinder head. See Fig. 4.
G105 (2.2L VIN 4)	Engine harness, right rear of engine, near ignition control module. See Fig. 2.
G105 (4.3L VIN X)	Engine harness, left rear of cylinder head. See Fig. 4.
G106	Battery negative harness, right side frame rail, forward of right front wheel.
G107	Battery negative harness, to right front of engine.
G108	Battery negative harness, right of radiator support, near battery fuse.
G110	Body harness, left side of radiator support.
G111	Forward lamps harness, left side of radiator support.
G112	Forward lamps harness, right side of radiator support.
G117	Body harness, left rear engine compartment, near cruise control module.
G118	4WAL/SIR harness, right frame rail, forward of right front wheel.
G200	Body harness, left rear dash, above firewall pass-through.
G201	Body harness, left rear dash, above firewall pass-through.
G202	Body harness, left rear dash, above firewall pass-through.
G203	Body harness, right of dash, near C203.
G204	Body harness, right of dash, near C203.
G205	Body harness, right of dash, near C203.
G206	Body harness, right of dash, near C203.
G207	Body harness, left rear dash, above firewall pass-through.
G402	Chassis harness, rear of left frame rail.
G422	Chassis harness, rear of right frame rail.

Isuzu Hombre S 1998 - SPLICES

Isuzu Hombre S 1998 SPLICES

Component	Component Location
S100	In engine harness, 4 cm from breakout to generator.
S101	In engine harness, between ICM & A/C compressor clutch diode.
S103 (2.2L VIN 4)	In engine harness, 20 cm toward main engine harness from A/C compressor connector. See Fig. 1.
S103 (4.3L VIN X)	In engine harness, 8 cm from breakout to A/C compressor. See Fig. 5.
S104	In engine harness, on cathode side of A/C compressor clutch diode.
S106 (2.2L VIN 4)	In engine harness, 25 cm from breakouts to powertrain control module. See Fig. 2.
S106 (4.3L VIN X)	In engine harness, 7 cm from breakout to heated oxygen sensor connector.
S113	In body harness, 13 cm from breakout to blower motor.
S118	In body harness, between breakouts to blower motor & blower motor relay.
S129 (2.2L VIN 4)	In engine harness, 20 cm from breakout to refrigerant pressure sensor. See Fig. 2.
S138	In body harness, 32 cm from breakout to windshield wiper motor.
S140 (A/T)	In engine harness, 8 cm toward engine from breakout to vehicle speed sensor.
S140 (M/T)	In engine harness, 7 cm from breakout to vehicle speed sensor.
S150	In heated oxygen sensor harness, 10 cm from breakout to right front sensor.
S151	In heated oxygen sensor harness, 10 cm from breakout to right front sensor.
S152 (2.2L VIN 4)	In engine harness, 7 cm from breakout to fuel injector connector. See Fig. 2.
S152 (4.3L VIN X)	In engine harness, 15 cm from breakouts to left rear engine grounds. See Fig. 4.
S153	In battery positive harness fusible link, 16 cm from battery Megafuse.
S200	In body harness, 5 cm from breakout to steering column connectors.
S204	In dash harness, 4 cm from breakout to C217.
S205	In dash harness, 8 cm from breakout to AM/FM stereo radio.
S215	In dash harness, 10 cm into breakout to heater controller connectors.
S217	In dash harness, 6 cm into breakout to heater controller connectors.
S223	In dash harness, 40 cm from breakout to headlight switch.
S240	In dash harness, 4 cm from breakout to BCM.
S250	In body harness SRS insert, 6 cm from breakout to SDM module.
S266	In left front seat harness.
S272	In dash harness, 8 cm from breakout to AM/FM stereo radio.
S274	In dash harness, 12 cm from breakout to AM/FM stereo radio.
S280	In dash harness, 4 cm from breakout to courtesy light.
S282	In dash harness, 6 cm from breakout to BCM.
S283	In dash harness, 13 cm from breakout to BCM.
S286	In dash harness, between breakout to ground splice & right courtesy light.
S300	In dome harness, 12 cm from breakout to dome light.
S302	In dome harness, 10 cm from breakout to dome light.
S312	In body harness, 9 cm from driver's seat breakout.
S332	In dome light harness, 4 cm from breakout to dome light.
S400	In body harness, 13 cm from rear defogger breakout.
Splice Pack SP100	In front light harness, at left rear radiator support.
Splice Pack SP101	In front light harness, at right inside of radiator support.
Splice Pack SP200	Strapped to body harness, in center front of dash, right of SP204.
Splice Pack SP201	In body harness, left of dash, below dash fuse block.
Splice Pack SP202	Strapped to body harness, in center left of dash.
Splice Pack SP203	In dash harness, in front of ashtray.
Splice Pack SP204	Strapped to body harness, in center front of dash, left of SP200.
Splice Pack SP400	In taillight harness, on center inside of rear crossmember.
Splice Pack SP401	In taillight harness, in rear of right frame rail.
Splice Pack SP402	In taillight harness, at rear of left frame rail.
Splice Pack SP422	In chassis harness, on left frame rail, behind crossmember at transmission.