Operation CHARM
: Car repair manuals for everyone.
Home
>>
Cadillac
>>
2007
>>
DTS V8-4.6L
>>
Repair and Diagnosis
>>
Lighting and Horns
>>
Horn
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Scan Tool Data Definitions
Scan Tool Data Definitions
Scan Tool Data Definitions
Horn Relay
Command
-
The scan tool displays Off/On. When the body control module (BCM) commands the
horn relay
On, the scan tool displays the commanded state for the relay.