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.
DTC Check
According to the varieties of scan tool, check the trouble information as follows:
- SUZUKI scan tool:
It is necessary to check both ECM and TCM separately because the trouble information of both modules can not be read and displayed at once.
- CAN communication OBD generic scan tool:
It is not necessary to check both ECM and TCM separately because the trouble information of both modules can be read and displayed at once.
- Prepare CAN communication OBD generic scan tool or SUZUKI scan tool.
- Turn ignition switch to OFF position.
- Connect scan tool to DLC (1).
Special Tool
(A): SUZUKI scan tool (SUZUKI-SDT)
- Turn ignition switch to ON position.
- Read DTC, pending DTC and freeze frame data according to instructions displayed on scan tool and print it down. Refer to scan tool operators manual for further details.
If communication between scan tool and TCM is not possible, go to TROUBLESHOOTING FOR COMMUNICATION ERROR WITH SCAN TOOL USING CAN .
- After completing the check, turn ignition switch off and disconnect scan tool from DLC.
NO RELATED
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.