Bendix Commercial Vehicle Systems ABS OPERATORS MANUAL - Manual (Page 10)

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TRLR ABS ABS
ATC / RSP ATC / RSP
ABS Indicator Lamp
An amber ABS Indicator Lamp is typically located on the dashboard.
• At each vehicle ignition your ABS indicator lamp should illuminate as a bulb
check for approximately three seconds and then turn off. If the lamp
does not illuminate at ignition, you should have the vehicle
serviced by a qualified mechanic as soon as possible. Note: without
a functioning indicator lamp, you may not be able to determine the ABS
status without using an external diagnostic tool.
• If the indicator lamp remains on for more than three seconds after ignition,
or if it illuminates as you are driving, the ABS system may not be fully
functional or its operation may be affected by a short or power interruption.
If this happens, your vehicle will still have normal service braking and it still
can be driven, although without the benefits of ABS. Have the vehicle
serviced by a qualified mechanic as soon as possible to restore
full ABS functionality.
• The ABS lamp is also used to indicate the optional off-road ABS mode. The
lamp will flash continually when the vehicle is operating in the off-road
mode. (Note: When the ABS Off-Road mode is engaged, stability functions
are disabled at speeds below 25 mph. The ATC/RSP Indicator lamp will
illuminate to indicate that the stability systems are disabled.) See page 13 of
this manual for additional sources of information about the ABS off-road
operating mode.
Trailer ABS Indicator Lamp
The Trailer ABS Indicator Lamp is also dash-mounted.
• All trailers built since March, 2001 are able to communicate with the towing
vehicle and to operate the trailer ABS indicator lamp on the towing vehicle’s
dash. The trailer ABS indicator lamp functions just like the tractor ABS
indicator lamp (on for three seconds after each vehicle ignition, then off
unless a problem develops with the trailer ABS during operation). The
dash-mounted Trailer ABS Indicator Lamp is in addition to a Trailer ABS
Indicator Lamp that is mounted on the side of the trailer itself.
U NDERSTANDING Y OUR ABS I NDICATOR L AMPS
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