Inspection
ComponentsSystem Diagram
SYSTEM DIAGRAM
Communication Table
Sender ECU
Receiver ECU
Signal
Line
*1: for Vacuum Brake Booster
*2: for Hydraulic Brake Booster
Forward Recognition Camera
Combination Meter Assembly
...
While Alarm is Armed, Engine Hood is opened but Alarm does not Sound
DESCRIPTION
A situation in which the alarm is armed but does not sound when the hood is opened
can be caused when the main body ECU (multiplex network body ECU) cannot detect
whether the hood courtesy switch is open or closed.
If the alarm does not sound, there may be a malfunction in the hood ...
IG Supply Voltage Low (C120B)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C120B
IG Supply Voltage Low
Master cylinder pressure sensor power supply voltage decrease occurs
or history of voltage decrease exists, and ...