Bendix Commercial Vehicle Systems EC-30 ABS/ATC CONTROLLER 2/08 User Manual
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SECTION A - EC-30
™
CONTROLLER POWER-UP SEQUENCE -
ABS WARNING LAMP AND ATC ACTIVE/WARNING LAMP
Verify that the ATC active/warning
lamp turns off after 2.5 seconds. This
lamp may blink, displaying the ATC
confi guration during power up. See
fi gure 7.
The ATC active/warning lamp should
immediately illuminate when ignition
power is applied to the vehicle.
YES
NO
NO
YES
ATC Active/Warning Lamp at
Power-Up
Verify that the ATC enable/disable
switch is set to enable ATC. Turn
ignition on and observe ATC active/
warning lamp.
The ATC unit is functioning
n o r m a l l y. N o s e r v i c e
to ATC components is
needed.
ABS Warning Lamp at Power-Up
Verify that the ABS warning lamp stays
on for 2.5 seconds and then turns off.
The ABS warning lamp should
immediately illuminate when ignition
power is applied to the vehicle.
Turn ignition on and observe the ABS
warning lamp.
YES
NO
NO
YES
T h e A B S u n i t i s
functioning normally.
No service to ABS
components is needed.
ABS warning lamp
does not come on.
Go to Section C.
The ABS warning lamp
stays on.
Go to Section F.
The ATC active/warning
lamp stays on.
Go to Section F.
ATC active/warning
lamp does not come on.
Go to Section D.