1999 Isuzu Trooper Part TimeFACTORY 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

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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.