BENDIX M-21-M-22 ANTILOCK MOD ASSY Installationsanleitung PDF herunterladen (Seite 47)

MBS-2 Installation

ABS Malfunction and Trailer Warning Lamp Troubleshooting

NOTE: Refer to the schematic on page 46 when troubleshooting the ABS

Malfunction Lamp or the Trailer Warning Lamp.

If the lamp does not illuminate at power up but the solenoids perform the self-

test (audible sound) or air brake sounds (chuffing sound) with treadle valve

applied, check the following:

• The lamp power harness may be disconnected.

• The bulb may have a bad ground connection.

• The malfunction lamp may be faulty.

If the lamp does not illuminate on power up and the solenoids do not perform

the self-test, check the following:

• The MBS-2 may not be receiving power. Check the Weather Pack 5-way

power connector for a loose connection.

• The MBS-2 may have failed.

NOTE: When checking for proper operation, keep in mind the

malfunction lamp circuit is only powered for two seconds at initial

power up.

If a replacement part or other customer service is needed, please contact

the Wabash National Corporation Customer Service Department at

765-771-5389.

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BENDIX M-21-M-22 ANTILOCK MOD ASSY Installationsanleitung Seite 47