DTC B2784: Antenna Coil Open / Short [10/2018 - ]: Procedure
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- CLEAR DTC
Result:
NEXT
See step 2
- CHECK FOR DTC
- Perform "DTC Output Confirmation Operation" procedure.
- Check for DTCs.
Body Electrical > Smart Access > Trouble Codes
OK
DTC B2784 is not output.
Result
Proceed to OK NG
Result:
OK
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]
Result:
NG
See step 3
- CHECK POWER SWITCH (OUTPUT)
- Using an oscilloscope, check the waveform.
*a Component with harness connected
(Power Switch)*b Waveform *c Waveform (detail) - - OK
Tester Connection Condition Tool Setting Specified Condition F124-8 (CODE) - F124-6 (AGND) Power switch off, power switch pressed with electrical key transmitter sub-assembly held near power switch* 1 V/DIV., 20 ms./DIV. Pulse generation
(See waveform)2 V/DIV., 100 μs./DIV. Pulse generation
(See waveform (detail))- *: 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 [10/2018 - 07/2022] Refer to REMOVAL [07/2022 - ]
Result:
NG
REPLACE POWER SWITCH. Refer to REMOVAL [10/2018 - ]
- Using an oscilloscope, check the waveform.