1998 ISUZU Trooper

Isuzu Trooper Limited 1998 - BUZZERS, RELAYS & TIMERS

Isuzu Trooper Limited 1998 BUZZERS, RELAYS & TIMERS

Component	Component Location
A/C Compressor Relay	In fuse/relay box.
A/C Thermostat Relay	In fuse/relay box.
Cornering Light Relay	In fuse/relay box.
Daytime Running Lights (DRL) Cut Relay	In fuse/relay box.
Daytime Running Lights (DRL) Relay No. 1	In fuse/relay box.
Daytime Running Lights (DRL) Relay No. 2	In fuse/relay box.
Daytime Running Lights (DRL) Resistor Relay	In fuse/relay box.
Flasher Unit	Behind left kick panel, above dash fuse box.
Foglight Relay	In fuse/relay box.
Fuel Pump Relay	In fuse/relay box.
Heater & A/C Relay	Behind left kick panel, on dash fuse box.
Horn Relay	In fuse/relay box.
Lighting Relay	In fuse/relay box.
PCM Main Relay	In fuse/relay box.
Power Window Relay	On dash fuse box.
Rear Window Defogger Relay	On dash fuse box.
Starter Relay	In fuse/relay box.
Taillight Relay	In fuse/relay box.
Upshift Relay No. 1	In fuse/relay box.
Upshift Relay No. 2	In fuse/relay box.

Isuzu Trooper Limited 1998 - CIRCUIT PROTECTION DEVICES

Isuzu Trooper Limited 1998 CIRCUIT PROTECTION DEVICES

Component	Component Location
Dash Fuse Box	Behind left kick panel. See Fig. 5 .
Diode Box "A" (ABS W/ M/T)	In fuse/relay box.
Diode Box No. 4 (Lighting)	On dash fuse box.
Fuse/Relay Box	On right side of engine compartment. See Fig. 1 .
SRS Fuse Box	Left kick panel, top of dash fuse box. See Fig. 5 .

Isuzu Trooper Limited 1998 - CONTROL UNITS

Isuzu Trooper Limited 1998 CONTROL UNITS

Component	Component Location
A/T Shift Indicator Control Unit	Behind dash, left of steering column.
Alarm & Relay Control Unit	Above right kick panel.
Cruise Control Unit	Behind right kick panel.
Electronic Brake Control Module (EBCM)	Right front of engine compartment.
Engine Control Module (ECM) (M/T)	Behind center of dash, below radio. See Fig. 6 .
Flasher Unit	Behind left kick panel, above dash fuse box.
Keyless Entry & Security Control Unit	Behind lower instrument cluster panel, below radio.
Moon Roof Control Unit	Center underside of ceiling, above headliner.
Powertrain Control Module (PCM) (A/T)	Behind center of dash, below radio. See Fig. 6 .
Shift Lock Controller	Below center console, forward of gear selector.
Shift On The Fly Control Unit	Behind lower instrument cluster panel, below radio.
SRS Unit	Behind front console. See Fig. 6 .
Torque On Demand (TOD) Control Unit	Beneath front passenger's seat.

Isuzu Trooper Limited 1998 - MOTORS

Isuzu Trooper Limited 1998 MOTORS

Component	Component Location
Blower Motor	Below right side of dash, on bottom of plenum.
Cruise Control Actuator	On right rear of engine compartment.
Door Lock Actuator/Switch (4)	In rear of respective door.
Driver's Seat Tilt Motor & Switch (Front)	Underside of driver's seat.
Driver's Seat Tilt Motor & Switch (Rear)	Underside of driver's seat.
Moon Roof Motor	Center underside of ceiling, above headliner.
Power Window Motors (4)	Front of respective door.
Rear Washer Motor	Lower center of left tailgate door.
Rear Wiper Motor	In center of left tailgate door.
Seat Recline Motor & Switch (2)	In respective front seat back.
Seat Slide Motor (2)	On underside of respective front seat.
Starter Motor	Lower left rear of engine.
Tailgate Door Lock Actuator/Switch	In left tailgate door.
Windshield Washer Motor	On right front of engine compartment, bottom of washer fluid reservoir.
Windshield Wiper Motor	In engine compartment, right side of firewall.
4WD Motor Actuator	On rear of transfer case.

Isuzu Trooper Limited 1998 - SENDING UNITS & SENSORS

Isuzu Trooper Limited 1998 SENDING UNITS & SENSORS

Component	Component Location
A/C Thermo Sensor	On lower left front of engine, on A/C compressor.
ABS Speed Sensors (4)	On inside of respective wheel.
Ambient Sensor	On top left front of radiator bracket.
Camshaft Position (CMP) Sensor	On rear of left cylinder head. See Fig. 2 .
Crankshaft Position (CKP) Sensor	On lower right side of engine block. See Fig. 4 .
Engine Coolant Temperature (ECT) Sensor	On right front of engine. See Fig. 1 .
Engine Coolant Temperature (ECT) Sending Unit	On left front of engine, on coolant pipe. See Fig. 3 .
Front Speed Sensor (Transfer) (W/ TOD)	On top rear of transfer case.
Fuel Vapor Pressure Sensor	On top of fuel tank.
"G" Sensor (ABS)	Below center console, rear of park brake lever.
Heated Oxygen Sensor (HO2S) "A" (B1S1)	Rear of engine, on right exhaust down pipe.
Heated Oxygen Sensor (HO2S) "B" (B2S1)	Rear of engine, on left exhaust down pipe.
Heated Oxygen Sensor (HO2S) "C" (B1S2) (A/T)	On exhaust system, rear of right catalytic converter.
Heated Oxygen Sensor (HO2S) "C" (B1S2) (M/T)	On exhaust system, forward of rear catalytic converter.
Heated Oxygen Sensor (HO2S) "D" (B2S2) (A/T)	On exhaust system, rear of left catalytic converter.
Heated Oxygen Sensor (HO2S) "D" (B1S3) (M/T)	On exhaust system, rear of rear catalytic converter.
Intake Air Temperature (IAT) Sensor	On air intake assembly. See Fig. 1 .
Knock Sensor (KS)	On top of engine below intake manifold. See Fig. 2 .
Manifold Absolute Pressure (MAP) Sensor	On top rear of intake manifold. See Fig. 1 .
Mass Airflow (MAF) Sensor	Left side of engine compartment, on air intake assembly. See Fig. 1 .
Oil Pressure Sender Unit	Lower front of engine, at oil filter.
Rear Speed Sensor (Transfer) (W/ TOD)	On lower rear of transfer case.
Throttle Position (TP) Sensor	On throttle body. See Fig. 3 .
Transmission Speed Sensor (W/ A/T)	On top rear of transmission.
Vehicle Speed Sensor (VSS)	On underside of vehicle, right rear of front transfer case.

Isuzu Trooper Limited 1998 - SOLENOIDS & SOLENOID VALVES

Isuzu Trooper Limited 1998 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Clutch Solenoid (W/ TOD)	In transfer case.
Evaporative Emission (EVAP) Canister Cut Valve	On underside of vehicle, above right side of rear axle.
Evaporative Emission (EVAP) Canister Purge Valve	On top left side of intake manifold. See Fig. 3 .
Evaporative Emission (EVAP) Vacuum Switching Valve	On left rear of engine.
Exhaust Gas Recirculation (EGR) Solenoid Valve	On right rear of engine. See Fig. 1 .
Front Axle Vacuum Solenoid Valve (Blue or Gray)	On underside of vehicle, center of front axle.
Idle Air Control (IAC) Valve	On front of engine, on throttle body. See Fig. 1 .
Shift Lock Solenoid	Below front console, forward of gear selector.

Isuzu Trooper Limited 1998 - SWITCHES

Isuzu Trooper Limited 1998 SWITCHES

Component	Component Location
A/C Pressure Switch	Left front of radiator, on accumulator.
Automatic Transmission Mode Switch	Left side of transmission.
Back-Up Light Switch (M/T)	On right side of transmission.
Brake Fluid Level Switch	Left rear of engine compartment, on brake fluid reservoir.
Brake Switch	Behind dash, on brake pedal support.
Clutch Start Switch (M/T)	Behind dash, on clutch pedal support.
Clutch Switch (M/T)	Behind dash, on clutch pedal support.
Door Key Detect & Tamper Switch (2)	In upper rear of respective front door.
Door Key Switch (2)	In center rear of respective front door.
Door Lock Actuator/Switch (4)	In lower rear of respective door.
Door Switches (2) (Front)	In respective "B" pillar.
Door Switches (2) (Rear)	In respective "C" pillar.
Driver's Seat Belt Switch	In driver's seat belt buckle.
Engine Hood Switch	Left front corner of engine compartment.
Front Axle Switch	Underside of vehicle, center of front axle.
Kickdown Switch	Above accelerator pedal.
Limit Switch (Moon Roof)	Right rear underside of roof.
Oil Pressure Switch	Lower front of engine, at oil filter.
Park Position Switch	Below front console, at base of gear selector.
Parking Brake Switch	Below center console, at base of park brake lever.
Partial Close Limit Switch (Safety Stop Position) (Moon Roof)	Right center underside of ceiling, above headliner.
Partial Open Limit Switch (Moon Roof)	Right center underside of ceiling, above headliner.
Power Steering Pressure (PSP) Switch	Lower left front of engine compartment.
Safety Stop Switch (Moon Roof)	On rear underside of roof.
Tailgate Door Key Detect & Tamper Switch	On left side of left tailgate door.
Tailgate Switch	On center rear of luggage room door sill.
Transmission Switch 1st/2nd (M/T)	On right front of transmission.
Transmission Switch 3rd/4th (M/T)	On top right front of transmission.
4H/L Transfer Switch (W/ TOD)	On bottom front of transfer case.
4WD Switch (W/ Shift On The Fly)	Top right side of transfer case.

Isuzu Trooper Limited 1998 - MISCELLANEOUS

Isuzu Trooper Limited 1998 MISCELLANEOUS

Component	Component Location
A/C Compressor	On lower left front of engine
Alternator	On lower right front of engine.
Antenna Amplifier, Left	On left rear quarter panel, below glass.
Antenna Amplifier, Right	On right rear quarter panel, below glass.
Blower Resistors	Below right side of dash, on plenum.
Data Link Connector (DLC)	Left side of dash, above engine hood release lever. See Fig. 5 .
Driver's Inflator Module	Center of steering wheel.
Electronic Thermostat Unit	Behind glove box, on plenum.
Fuel Pump	Underside of vehicle, top of fuel tank.
Fuel Tank Unit	On right front of fuel tank.
Ignition Coils (6)	On respective valve covers, top of cylinders. See Fig. 4 .
Multi-Meter	On center of windshield header.
Passenger Inflator Module	On dash, above glove box.
Security Horn	On right rear of engine compartment.
Trailer Lighting Connector	On left rear underside of vehicle, behind rubber grommet.
Upshift Resistor (M/T)	In fuse/relay box.

Isuzu Trooper Limited 1998 - CONNECTORS

Isuzu Trooper Limited 1998 CONNECTORS

Component	Component Location
A1 (Gray, 2 Pin)	Above rear differential.
B8 (White, 2 Pin)	Behind cruise control unit, below right side of dash.
B11 (White, 8 Pin)	Below dash, right of steering column.
B12 (White, 16 Pin)	Below dash, right of steering column.
B22 (White, 2 Pin)	Behind door switch, in left center pillar.
B24 (Black, 3 Pin)	Under left front seat.
B32 (White, 6 Pin)	Below rear of front console.
B33 (White/Black, 2 Pin)	Below rear of front console.
B35 (White, 2 Pin)	Behind door switch, in right center pillar.
B52 (Black, 14 Pin)	Below dash, right of steering column.
C13 (Brown, 2 Pin)	At lower left side of engine compartment.
C14 (Gray, 2 Pin)	At left rear of engine compartment.
C20 (Gray, 1 Pin)	At left front of engine compartment.
C22 (Gray, 4 Pin)	Behind left front combination light assembly.
C23 (Gray, 6 Pin)	Behind left side of front bumper.
C24 (Gray, 2 Pin)	Behind left foglight.
C26 (Black, 2 Pin)	Below battery tray.
C29 (Gray, 2 Pin)	Behind right foglight.
C30 (Gray, 6 Pin)	Behind right side of front bumper.
C31 (Gray, 4 Pin)	Behind right front combination light assembly.
C33 (Gray, 3 Pin)	At right front corner of engine compartment.
C34 (Gray, 12 Pin)	At right front corner of engine compartment.
C37 (Gray, 4 Pin)	At right rear corner of engine compartment.
C38 (White, 6 Pin)	At right rear of engine compartment.
C41 (Brown, 2 Pin)	At lower right side of engine compartment.
C43 (Black, 8 Pin)	At left front of engine compartment.
D2 (Black, 2 Pin)	Inside front of left front door, behind trim panel.
D3 (White, 8 Pin)	In top of left front door.
D4 (Black/White, 2 Pin)	At top front of left front door.
D6 (Gray, 4 Pin)	Inside left front door, behind trim pad.
D7 (Black, 2 Pin)	Inside left front door, behind trim pad.
D8 (White, 3 Pin)	Inside left front door, behind trim pad.
D11 (Black, 2 Pin)	Inside front of right front door, behind trim panel.
D12 (White, 8 Pin)	In top of right front door.
D13 (Black/White, 2 Pin)	At top front of right front door.
D16 (Gray, 4 Pin)	Inside right front door, behind trim pad.
D17 (White, 3 Pin)	Inside right front door, behind trim pad.
D18 (Black, 2 Pin)	Inside right front door, behind trim pad.
D20 (Black, 2 Pin)	Inside front of left rear door, behind trim panel.
D24 (Black, 2 Pin)	Inside rear of left rear door.
D25 (Black, 2 Pin)	Inside front of right rear door, behind trim panel.
D29 (Black, 2 Pin)	Inside rear of right rear door.
E2 (Gray, 1 Pin)	At lower left front of engine.
E3 (Black, 1 Pin)	At lower left front corner of engine.
F2 (Brown, 2 Pin)	Above rear differential.
F3 (Black, 2 Pin)	Above rear differential.
F4 (Black, 2 Pin)	Under rear of vehicle, right of fuel tank.
G3 (Black, 1 Pin)	In left tailgate door, on left side of glass.
G5 (Gray, 4 Pin)	Inside left tailgate door, behind trim pad.
G6 (White, 4 Pin)	Inside left tailgate door, behind trim pad.
G7 (Black, 1 Pin)	In left tailgate door, on right side of glass.
G8 (White, 2 Pin)	Inside right tailgate door, behind trim pad.
G9 (White/Black, 2 Pin)	Inside top center of left tailgate door.
H1 (Black, 1 Pin)	At right front of engine compartment.
H2 (Gray, 2 Pin)	At right side of engine compartment.
H3 (Black, 3 Pin)	At right side of engine compartment.
H4 (Blue, 9 Pin)	At left side of engine compartment.
H5 (Green, 16 Pin)	At left side of engine compartment.
H6 (Black, 16 Pin)	At left side of engine compartment.
H7 (Brown/White, 20 Pin)	On bracket, above left dash side trim panel.
H8 (White, 16 Pin)	On bracket, above left side dash side trim panel.
H9 (Black, 20 Pin)	On bracket, above left dash side trim panel.
H10 (M/T) (Blue, 12 Pin)	At left front of engine compartment.
H10 (A/T) (Blue, 16 Pin)	At left front of engine compartment.
H11 (Black, 16 Pin)	At left front of engine compartment.
H12 (White, 20 Pin)	On bracket, above right dash side trim panel.
H13 (Gray, 6 Pin)	On bracket, above right dash side trim panel.
H14 (Red, 2 Pin)	On bracket, above right dash side trim panel.
H15 (White, 14 Pin)	On bracket, above right dash side trim panel.
H16 (White, 22 Pin)	Behind right dash side trim panel.
H18 (White, 18 Pin)	In access panel, behind right dash side trim panel.
H19 (Black, 8 Pin)	In access panel, behind right dash side trim panel.
H20 (White, 4 Pin)	Behind right dash side trim panel.
H21 (White, 8 Pin)	On bracket, above right dash side trim panel.
H22 (White, 18 Pin)	In access panel, behind left dash side trim panel.
H23 (Black, 8 Pin)	In access panel, behind left dash side trim panel.
H24 (Yellow, 18 Pin)	On bracket, above left dash side trim panel.
H25 (Blue, 22 Pin)	On bracket, above left dash side trim panel.
H26 (White, 20 Pin)	On bracket, above left dash side trim panel.
H28 (White, 6 Pin)	In left center pillar.
H29 (Blue, 3 Pin)	In left center pillar.
H31 (White, 2 Pin)	Below left front seat.
H32 (White, 22 Pin)	Below left side of left front seat.
H33 (White, 20 Pin)	Below right side of right front seat.
H34 (White, 6 Pin)	In right center pillar.
H35 (Blue, 3 Pin)	In right center pillar.
H37 (Gray, 4 Pin)	At left rear of luggage compartment.
H38 (White, 10 Pin)	At left rear of luggage compartment.
H39 (White, 2 Pin)	At right rear of luggage compartment.
H40 (Brown, 2 Pin)	Above rear differential.
H41 (Blue, 16 Pin)	At right front of engine compartment.
H42 (Black, 16 Pin)	At right front of engine compartment.
H45 (Black/White, 6 Pin)	Above map lights.
H46 (White, 6 Pin)	Under left side of left front seat.
H47 (White, 6 Pin)	Below right side of right front seat.
H48 (Black, 16 Pin)	Behind right dash side trim panel.
H49 (White, 4 Pin)	On top of dash fuse box.
H51 (White, 3 Pin)	On bracket, above left dash side trim panel.
H52 (Yellow, 3 Pin)	On bracket, above right dash side trim panel.
H54 (Gray, 7 Pin)	At left side of engine compartment.
I18 (White, 6 Pin)	On rear of heater-A/C panel.
I19 (White, 2 Pin)	Behind cigarette lighter.
I20 (Blue/White, 2 Pin)	Behind cigarette lighter.
I23 (White, 6 Pin)	On rear of heater-A/C panel.
I24 (White, 2 Pin)	Above glove box, below right side of dash.
J1 (White, 4 Pin)	Below front of front console.
L1 (White, 3 Pin)	Above map lights.
L2 (White, 1 Pin)	Above map lights.
L3 (White, 2 Pin)	Above dome light.
L4 (Black, 2 Pin)	At left front of roof.
L5 (White, 6 Pin)	Above multimeter.
L6 (Black, 2 Pin)	At right front of roof.
M1 (Clear, 1 Pin)	On top left side of transmission.
M2 (Clear, 1 Pin)	On top left side of transmission.
M3 (Clear, 1 Pin)	On top left side of transmission.
M4 (Clear, 1 Pin)	On top left side of transmission.
M6 (Black, 5 Pin)	On left side of transmission.
M7 (Black, 4 Pin)	On left side of transmission.
M8 (Clear, 1 Pin)	On top left side of transmission.
M9 (Clear, 1 Pin)	On top left side of transmission.
M11 (White, 1 Pin)	On top left side of transmission.
M12 (White, 1 Pin)	At top right side of transmission.
M22 (Brown, 2 Pin)	At center of front axle.
R1 (White, 2 Pin)	Behind grommet, at left front of luggage compartment.
R6 (White, 3 Pin)	At center rear of roof.
R7 (White/Black, 6 Pin)	Behind left taillight assembly.
R9 (White/Black, 6 Pin)	Behind right taillight assembly.
R11 (White, 2 Pin)	Behind grommet, at right front of luggage compartment.
R16 (White/Black, 2 Pin)	At left side of luggage compartment.
R19 (White/Black, 2 Pin)	At right side of luggage compartment.
S2 (White, 3 Pin)	At center of roof.
S3 (White, 2 Pin)	At center of roof.
S5 (White, 6 Pin)	At center of roof.
T1 (Blue, 10 Pin)	Underside of left front seat.
T2 (White, 2 Pin)	Underside of left front seat.
T3 (White, 3 Pin)	Underside of left front seat.
T4 (White, 4 Pin)	Underside of left front seat.
T5 (Gray, 3 Pin)	Underside of left front seat.
T6 (Gray, 2 Pin)	Underside of left front seat.
T7 (Gray, 2 Pin)	Underside of left front seat.
T8 (White, 4 Pin)	Underside of left front seat.
T9 (White, 2 Pin)	Underside of right front seat.
T10 (White, 4 Pin)	Underside of right front seat.
T11 (Blue, 6 Pin)	Underside of left front seat.
T12 (Blue, 6 Pin)	Underside of right front seat.
T13 (Gray, 2 Pin)	Underside of right front seat.
T14 (Black, 2 Pin)	Underside of left front seat.
T15 (Black, 2 Pin)	Underside of right front seat.
T16 (White, 2 Pin)	In left front seat back.
T17 (White, 2 Pin)	In right front seat back.
U1 (Yellow, 4 Pin)	Above glove box, behind right side of dash.
U4 (Yellow, 3 Pin)	Below right side of center console.
U6 (Yellow, 3 Pin)	Below dash, right of steering column.
U9 (Yellow, 2 Pin)	Inside steering wheel.
U10 (White, 1 Pin)	Inside steering wheel.

Isuzu Trooper Limited 1998 - GROUNDS

Isuzu Trooper Limited 1998 GROUNDS

Component	Component Location
B1	Above right dash side trim panel.
B2	Above right dash side trim panel.
B18	Behind top of left dash side trim panel.
B19	Behind top of left dash side trim panel.
B26	Below rear of center console.
C16	On inner fender panel, at left rear corner of engine compartment.
C39	On inner fender panel, at right rear corner of engine compartment.
C45	Below right side of lower instrument cluster assembly.
C85	At right front of engine compartment.
C96	At right front of engine compartment.
E28	At top center rear of engine.
E29	At top center front of engine.
E30	At top center front of engine.
I39	Behind right side of lower cluster assembly.
P6	On rear of battery tray.
P7	At lower right front of engine compartment.
P10	At lower right side of engine compartment.
P11	On right valve cover.
P12	At right side of engine compartment.
P13	On left valve cover.
P14	At left side of engine compartment.
R3	At left side of luggage compartment.
R4	At left side of luggage compartment.
U2	Below right side of lower cluster assembly.