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.
Diagnosis Using Output Test Function of SUZUKI Scan Tool
SUZUKI scan tool has the output test function which can force operation of following actuators and relays of the system controlled by BCM. When a malfunction is found in the system controlled by BCM, execute the output test which enables easy judgment whether the malfunction is on the input side or output side of BCM. For detailed information on operation of SUZUKI scan tool, refer to "SUZUKI Scan Tool Operators Manual".
| Output Test Item | Controlled Parts |
|---|---|
| Front Fog Light | Front fog light relay (when lighting switch is at HEAD position) |
| Parking/Tail Light | Tail light relay |
| Hazard Warning Light | Turn signal and hazard warning relay |
| DRL | Headlight low beam |
| Interior (Dome) Light | Interior (Dome) light (when interior light switch is at DOOR position) |
| Door | Each door lock actuator |
| Rear end door (trunk) open | Rear end door/trunk lid opener relay |
| Alarm Indicator | Theft deterrent light (in hazard warning switch) |
| Pass Seatbelt Indicator | Passenger seat belt reminder light |
| Warning Buzzer | Warning buzzer (in combination meter) |
| Rear Defogger | Rear end door window/back window defogger relay |
| Horn | Horn relay |
| Rear Wiper | Rear wiper relay |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.