Only Wireless Control Function is Inoperative
Air Conditioning AmplifierShort to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC No.
DTC Detection Condition
Trouble Area
B278A
Engine switch power source supply line is ope ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the D47 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wi ...
Entry Answer-back Buzzer does not Sound
DESCRIPTION
The smart key system uses the wireless door lock buzzer to perform various vehicle
exterior warnings. When the conditions for each warning are met, the certification
ECU (smart key ECU assembly) sends a buzzer request signal to the main body E ...