DTC B2784: Antenna Coil Open / Short [11/2018 - ]: Procedure

1. Using an oscilloscope, check the waveform.

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   *a	Component with harness connected (Power Switch)	*b	Waveform
   *c	Waveform (detail)	-	-

   OK

   Tester Connection	Condition	Tool Setting	Specified Condition
   G55-8 (CODE) - G55-6 (AGND)	Power switch off, power switch pressed with electrical key transmitter sub-assembly held near power switch*	2 V/DIV., 20 ms./DIV.	Pulse generation (See waveform)
   		2 V/DIV., 100 μs./DIV.	Pulse generation (See waveform (detail))

   HINT: 

   *: Remove the transmitter battery before performing this inspection.

   OK

   The waveform is similar to that shown in the illustration

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

Result: 

NG 

REPLACE POWER SWITCH. Refer to  REMOVAL [11/2018 - ]