Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1998 Isuzu Trooper LSFACTORY OEM SERVICE PROCEDURE
Control Units
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 Figure . |
| 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 Figure . |
| 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 Figure . |
| Torque On Demand (TOD) Control Unit | Beneath front passenger's seat. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.