ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System), Diagnostic DTC:B2784
| DTC Code | DTC Name |
|---|---|
| B2784 | Antenna Coil Open / Short |
DESCRIPTION
This DTC is stored when there is an open or short malfunction in the transponder key amplifier coil (built into the engine switch).
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2784 | The transponder key amplifier coil is open/shorted. |
|
INSPECTION PROCEDURE
Note
Before replacing the certification ECU, refer to the Service Bulletin.
PROCEDURE
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REPLACE ENGINE SWITCH
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Temporarily replace the engine switch with a new or normally functioning one.
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for 1GR-FE (for LHD): Click here.
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for 1GR-FE (for RHD): Click here.
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for 1KD-FTV (for LHD): Click here.
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for 1KD-FTV (for RHD): Click here.
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NEXT 
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CLEAR DTC
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Clear the DTCs Click here.
NEXT
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CHECK FOR DTC
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Check for DTCs Click here.
OK DTC B2784 is not output.
NG 
REPLACE CERTIFICATION ECU
OK 
END (ENGINE SWITCH IS DEFECTIVE)
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