
Page 165
Input Selection
Exhaust Brake Switch /
OEM
/
Description:
The Exhaust Brake Switch parameter is used to
determine the nature of the Exhaust Brake Switch
connection to the ECM. See recommendations below
for appropriate parameter programming based on
switch connection.
Available:
EPA’04 and older 3126E, C7, C9 medium-duty engines
Note: For EPA’07 Engines use Retarder Off/Low/Medium/
High switch (see page
Range:
Range Cat Default
J1/P1:16, J1939 Body Controller,
J1939 Cab Controller, J1939 Instru-
ment Cluster
None
Recommendations:
✔ If the Exhaust Brake Switch is installed in the ECM
Exhaust Brake Output circuit to disable the brake
by opening the output circuit, the Exhaust Brake
Switch parameter should be programmed to None.
✔ If the Exhaust Brake Switch is connected to the
dedicated ECM Exhaust Brake Switch Input, then
the Exhaust Brake Switch parameter should be
programmed to one of the Alternatives.
190).