Inspection Using An Oscilloscope (Reference) Wheel speed: Notes
- ABS HU/CM terminal:
RR: A (+) - B (-)
LR: C (+) - F (-)
RF: D (+) - G (-)
LF: E (+) - I (-)
- Oscilloscope setting:
1 V/DIV (Y), 2 ms/DIV (X), AC range
- Vehicle condition: Driving 30 km/h (18.6 mph)NOTE:
- As vehicle speed increases, wave period shortens.
- If there is malfunctioning in the sensor rotor, wave profile warps.