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.
1999 Isuzu Trooper Part TimeFACTORY OEM SERVICE PROCEDURE
Remote Keyless Entry System
- Open driver's door. Turn ignition switch to OFF position. Go to next step.
- Turn ignition switch to ACC position, then to OFF position 3 times within 5 seconds after completing step 1. Go to next step.
- Close driver's door and open it 2 times within 10 seconds after completing step 2. Go to next step.
- Turn ignition switch to ACC position, then to OFF position. Close driver's door and open it. This step must be completed within 10 seconds after completing step 3. The control unit will cycle lock/unlock twice as many times as ID codes registered with 2 second intervals. If no codes are registered, the lock/unlock will cycle 10 times.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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