Vehicle Class:
Mid-size SUV
Segment Competitors:
Toyota 4Runner, Ford Explorer, Jeep Grand Cherokee, Nissan Pathfinder
Trooper Advantages:
Renowned for robust construction, off-road capability, and reliability (especially with Isuzu diesel engines, though gasoline was more common in US for these years)
Vehicle Platform:
Body-on-frame construction
Drivetrain Options:
Rear-Wheel Drive (RWD), Four-Wheel Drive (4WD)
Primary Coverage:
Electrical Systems
Specific Systems Listed:
Air conditioner, Air delivery controls, Blower controls, Compressor controls, Alarm and relay controls, Anti-lock brake system (ABS), Anti-theft system, A/T shift indicator, Automatic transmission controls
Estimated Page Count:
Refer to actual manual; typical for this era and scope is 300-600 pages
Manual Type:
Factory Service Manual (Electrical Focus)
Format:
Digital (likely PDF), Print-on-Demand
Engine Electrical:
ECM/PCM, Ignition, Fuel Injection, Starting, Charging
Chassis Electrical:
ABS, Traction Control (if equipped), Lighting (Headlights, Taillights, Interior), Horn, Wipers, Washers, Power Windows, Power Locks, Mirrors, Sunroof (if equipped)
Body Electrical:
Instrument Cluster, Gauges, Warning Lights, HVAC Controls, Audio System, Security System, Remote Keyless Entry, Anti-theft System
Transmission Electrical:
Transmission Control Module (TCM), Gear Position Sensors, Shift Interlock
Comfort Convenience:
Power Seats, Cruise Control, Climate Control Systems
Wiring Diagrams:
Detailed schematics for all electrical circuits, including harness routing and component location
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides, common electrical fault diagnosis
Component Testing:
Methods for testing sensors, actuators, relays, fuses, and modules
Connector Pinouts:
Detailed identification of connector terminals and their functions
Fuse Relay Locations:
Identification and function of all fuses and relays
Diagnostic Level:
Advanced; covers sensor readings, module communication, and complex circuit analysis
Repair Instructions:
Detailed steps for component replacement, harness repair, and system diagnostics
Specification Data:
Includes voltage, resistance, current draw specifications for various components
Digital Format:
PDF (Searchable Text, Bookmarked Chapters, High-Resolution Diagrams)
Print Quality:
High-resolution, clear diagrams and text, suitable for printing
Binding Type:
N/A (Digital), Professional Coil or Perfect Binding (if printed)
Paper Type:
N/A (Digital), High-quality, durable paper (if printed)
Engine Code:
3.5L V6 DOHC (6VE1)
Displacement:
3.5 Liters (3494 cc)
Horsepower:
Approx. 215-230 hp @ 5200-5400 rpm (varies slightly by year/market)
Torque:
Approx. 230-250 lb-ft @ 3000-3500 rpm (varies slightly by year/market)
Fuel Delivery:
Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 Octane Recommended)
ECU Type:
Engine Control Unit (ECU) or Powertrain Control Module (PCM) - Specific model designation needed
Transmission Type Std:
4-speed Automatic Transmission (4L30-E)
Transmission Type Opt:
5-speed Manual Transmission (MUA5) - Less common in US market for these years
Automatic Features:
Electronic control, Overdrive, Torque converter lock-up
Automatic Transmission Fluid:
Dexron III (or equivalent GM specification like P/N 88861950 or 19259128)
Wheelbase:
Approx. 111.2 inches (2825 mm)
Length:
Approx. 189.1 inches (4803 mm)
Width:
Approx. 77.6 inches (1971 mm)
Height:
Approx. 70.9 inches (1801 mm)
Curb Weight:
Approx. 4300 - 4700 lbs (1950 - 2130 kg) depending on configuration
Gross Vehicle Weight Rating:
Approx. 6000 lbs (2720 kg)
Cargo Volume Behind 2Nd Row:
Approx. 45.1 cubic feet (1277 liters)
Cargo Volume Total:
Approx. 88.3 cubic feet (2499 liters)
NHTSA Front Driver:
4 Stars (2000 model year)
NHTSA Front Passenger:
4 Stars (2000 model year)
NHTSA Side Impact Front:
5 Stars (2000 model year)
NHTSA Side Impact Rear:
5 Stars (2000 model year)
ABS:
Standard on all models
Traction Control:
Optional on some models/trims
Airbags:
Driver and front passenger airbags standard
Seatbelts:
Three-point front and rear seatbelts, pretensioners for front seats
Audio System:
Factory AM/FM/CD player, potentially with premium sound system on higher trims. Cassette player was common.
Navigation:
Rarely factory-equipped; aftermarket options were prevalent.
Cruise Control:
Standard on most trims for these years.
Parking Assist:
Not typically factory equipped.
Usb Aux Input:
Not factory equipped; requires aftermarket adapter.
Bluetooth:
Not factory equipped; requires aftermarket adapter.
Oil Change Interval:
Every 3,750 miles or 3 months (severe duty), or 7,500 miles or 6 months (normal duty). Refer to specific Owner's Manual for exact recommendation.
Engine Air Filter:
Every 15,000 miles or 12 months
Spark Plugs:
Approx. 60,000 miles (Platinum-tipped)
Coolant Replacement:
Initial at 30,000 miles or 24 months, then every 30,000 miles or 24 months thereafter.
Engine Oil Type:
API SJ or higher, SAE 5W-30 or 5W-40 (check manual for specific temp range recommendations)
Coolant Type:
Isuzu Super Long Life Coolant (SLLC) or equivalent silicate-free, extended-life coolant (Asian Red)
Power Steering Fluid:
Dexron III (or equivalent GM specification)
Engine Oil Leaks:
Potential for oil leaks from valve cover gaskets, oil pan gaskets, and rear main seals over time.
Transmission Issues:
The 4L30-E automatic transmission can sometimes experience shifting issues or solenoid failures if not properly maintained.
ABS Sensor Failures:
ABS wheel speed sensors can fail, leading to ABS warning lights and system malfunction.
Evaporative Emissions System:
Canister purge valve or vent solenoid issues can cause Check Engine Lights related to EVAP system.
Isuzu Legacy:
Isuzu has a long history in vehicle manufacturing, particularly known for trucks, SUVs, and diesel engines.
Trooper Generations:
This manual covers the third generation (UB) Trooper, which debuted in 1991 and underwent a significant redesign for the 1998 model year (often referred to as the 'new' Trooper).
Production Location:
Mainly Japan (Fuji Heavy Industries assembly plant), and later in Lafayette, Indiana, USA (under GM's ownership/collaboration for North America).
Production Years Usa:
1984-2002
Consumer Reports Ratings:
Varied by year, often rated well for powertrain reliability but average to below average for other aspects like braking and interior features.
Jdpowers Ratings:
Historically, Isuzu vehicles showed mixed results in initial quality and dependability studies from J.D. Power during this era.
