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.
Service Check Signal Circuit (SCS) Method
2007 Honda Ridgeline RTSSECTION Service Check Signal Circuit (SCS) Method
- Park the vehicle on level ground. Shift to P, then turn off the engine.
- Release the parking brake pedal.
- With the ignition switch OFF, connect the HDS to the 16P DLC (A) located behind the driver's dashboard lower cover.
- Short the SCS circuit to body ground using the HDS.
- Turn the ignition switch ON (II).
- The VTM-4 indicator comes on and stays on for 4 seconds. Press and hold the VTM-4 lock switch while the VTM-4 indicator is on.
- When the VTM-4 indicator goes off, release the VTM-4 lock switch.
- The VTM-4 indicator comes on and stays on for 4 seconds. Press and hold the VTM-4 lock switch while the VTM-4 indicator is on.
- When the VTM-4 indicator goes off, release the VTM-4 lock switch. The VTM-4 indicator will blink twice quickly to confirm that the DTCs have been cleared from the VTM-4 control unit memory.NOTE: If the VTM-4 indicator does not blink twice quickly, the memory has not been cleared. Turn the ignition switch OFF, then repeat steps 5 through 9.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.