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. |
|
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU, refer to Registration (See page ).
PROCEDURE
1. |
REPLACE ENGINE SWITCH |
(a) Temporarily replace the engine switch with a new or normally functioning one (See page ).
|
2. |
CLEAR DTC |
(a) Clear the DTCs (See page ).
|
3. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
OK:
DTC B2784 is not output.
OK |
END (ENGINE SWITCH IS DEFECTIVE) |
NG |
REPLACE CERTIFICATION ECU |
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
Backup Battery Failure (B15CC)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects one of the following:
Open or short in the BUB (Back-Up Battery) circuit.
The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery)
malfunctions.
The B ...