DTC B2784: Antenna Coil Open / Short [02/2014 - 11/2016]: Procedure

1. Disconnect the F11 certification ECU (smart key ECU assembly) connector.
2. Disconnect the F49 power switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F11-15 (CODE) - F49-8 (CODE)	Always	Below 1 Ω
   F11-14 (TXCT) - F49-7 (TXCT)	Always	Below 1 Ω
   F11-16 (VC5) - F49-10 (VC5)	Always	Below 1 Ω
   F11-13 (AGND) - F49-6 (AGND)	Always	Below 1 Ω
   F11-15 (CODE) or F49-8 (CODE) - Body ground	Always	10 kΩ or higher
   F11-14 (TXCT) or F49-7 (TXCT) - Body ground	Always	10 kΩ or higher
   F11-16 (VC5) or F49-10 (VC5) - Body ground	Always	10 kΩ or higher
   F11-13 (AGND) or F49-6 (AGND) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

OK 

See step  2

1. Temporarily replace the power switch with a new or known good one.

   Refer to REMOVAL [02/2014 - 11/2016]

Result: 

NEXT 

1. Clear the DTCs.

   Body Electrical > Smart Key > Clear DTCs 

Result: 

NEXT 

1. Perform "DTC Output Confirmation Operation" procedure.
2. Check for DTCs.

   Body Electrical > Smart Key > Trouble Codes 

   OK

   DTC B2784 is not output.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

END (POWER SWITCH WAS DEFECTIVE) 

Result:  2

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [02/2014 - 11/2016]