SYSTEM DIAGRAM
Precaution
How To Proceed With TroubleshootingLost Communication with Power Source Control (B278C)
DESCRIPTION
This DTC is stored when LIN communication between the certification ECU (smart
key ECU assembly) and power management control ECU stops for more than 10 seconds.
DTC Code
DTC Detection Condition
Trouble Area
...
Personal/interior lights
► Front
On/off
The illuminated entry system is activated even if the light is turned off when
the personal/interior light main switch is in door position.
► Rear
On/off
The illuminated entry system is activated even if the light is turne ...
Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE
1.
REPLACE CD AND RECHECK
(a) Replace the CD with a known good one and check that the malfunction disappears.
OK:
Malfunction disappears.
OK
END
NG
REPLACE RADIO AN ...