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.
LIN communication line Inspection
- Inspection of LIN communication line between RPAS-CRH(Right) and BCM [RPAS (Rear Parking Assist System)]
- Connect GDS and select "Oscilloscope".
- IG ON, ENG OFF and Shift lever R.
- Set a stuff or obstacle near the RPAS-CRH. (Rear Center Right Sensor)
- Measure a waveform between RPAS-CRH(Rear Center Right Sensor) and BCM.[RPAS(Rear Parking Assist System)]
Specification: Refer to "SIGNAL WAVEFORM "
- Is measured value normal?
YES
Fault is intermittent caused by BCM[RPAS(Rear Parking Assist System)] DTC was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
Check a circuit between RPAS-CRH(Rear Center Right Sensor) and BCM[RPAS(Rear Parking Assist System)] and poor connection. And then repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO RELATED
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.