SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)

System Description
How To Proceed With TroubleshootingPrecaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Low Pitched Horn
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LOW PITCHED HORN ASSEMBLY
(a) Check the operation.
(1) Apply battery voltage to the terminal 1 and body ground, and check
that the low pitched horn assembly sounds.
Text in Illustration
...
Vehicle Information Not Obtained (C1A02)
DESCRIPTION
When a new millimeter wave radar sensor assembly is installed, it receives vehicle
specification information from the main body ECU (multiplex network body ECU) and
stores the information.
DTC C1A02 is stored when the millimeter wave radar sensor assembly receives the
vehicle spe ...