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.
APP Sensor On-Vehicle Inspection
- Do not drop or otherwise expose the APP sensor assembly to large shock. Any APP sensor assembly that has received large shock must be replaced.
- Keep the sensor section of the APP sensor assembly away from water.
- Check that accelerator pedal assembly (incorporating APP sensor) has been mounted to vehicle body properly (no pinched floor carpet, etc.).
Reinstall accelerator pedal assembly (incorporating APP sensor) if it is not properly mounted, see ACCELERATOR PEDAL ASSEMBLY (INCORPORATING APP SENSOR) REMOVAL AND INSTALLATION .
- Connect SUZUKI scan tool to DLC with ignition mode of keyless push start system in "OFF".
- Push engine switch to change the ignition mode to "ON", select "Data List" mode on SUZUKI scan tool.
- Check that voltage varies depending on accelerator position as the following graph.
If faulty condition is found, check the following points:
- Wire harness and connections
- APP sensor: APP SENSOR INSPECTION
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.