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 Procedure
- CHECK ADAS CONTROL UNIT POWER SUPPLY CIRCUIT
Check voltage between ADAS control unit harness connector and ground.
Terminal
Condition
Voltage
(Approx.)
(+)
(-)
ADAS control unit
Ground
Ignition switch
Connector
Terminal
B10
12
OFF
0 V
ON
Battery voltage
Is the inspection result normal?
YES
GO TO 2.
NO
Repair the ADAS control unit power supply circuit.
- CHECK ADAS CONTROL UNIT GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the ADAS control unit connector.
- Check for continuity between ADAS control unit harness connector and ground.
ADAS control unit
Ground
Continuity
Connector
Terminal
B10
5
Existed
Is the inspection result normal?
YES
INSPECTION END
NO
Repair the ADAS control unit ground circuit.
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.