Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. 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
   B104	16		OFF	0 V
   			ON	Battery voltage

   Is the inspection result normal?

   YES 

   GO TO STEP 2. 

   NO 

   Repair the ADAS control unit power supply circuit.

2. CHECK ADAS CONTROL UNIT GROUND CIRCUIT
   
   
   1. Turn the ignition switch OFF.
   2. Disconnect the ADAS control unit connector.
   3. Check for continuity between ADAS control unit harness connector and ground.

      ADAS control unit		Ground	Continuity
      Connector	Terminal
      B104	6		Yes

   Is the inspection result normal?

   YES 

   INSPECTION END

   NO 

   Repair the ADAS control unit ground circuit.