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.
2002 Suzuki Esteem GL, 4D Sedan, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Control Module Replacement
When substituting a known-good ECM, check for following conditions. Neglecting this check may cause damage to a known-good ECM.
- Resistance value of all relays, actuators is as specified respectively.
- MAP sensor, TP sensor and Fuel Tank Pressure (FTP) sensor are in good condition and none of power circuits of these sensors is shorted to ground.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.