After taking the specified steps to correct the suspected problem, check that the warning light turns off.



Have the vehicle inspected immediately.
Follow the correction procedures. (smart key system)ECM Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
ECM Communication Stop Mode
"Engine" and "ECT" are not displayed on "CAN Bus Check" screen
of the Techs ...
Antenna Coil Open / Short (B2784)
DESCRIPTION
This DTC is stored when there is an open or short in the transponder key coil
(built into the engine switch).
DTC No.
DTC Detection Condition
Trouble Area
B2784
Transponder key coil i ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BREATHER PLUG HOSE
(a) Using a screwdriver, remove the No. 2 breather plug (ATM) from the
transaxle case sub-assembly.
(b) Using a screwdriver, remove ...