BENDIX Wingman ACB Service Data page 15

Diagnostic Trouble Codes (DTC)
40 - Short to ground
41 - Short to battery
Voltage too high (includes DTCs 81, 89, 92, 94)
Voltage too low (includes DTCs 90, 91, 95, 96)
144 - Vehicle is not providing expected deceleration
during engine retarder or foundation braking
164 - ACB braking overuse
83 - Invalid Temperature
84 - Temperature too high
85 - Temperature too high
(All) Internal ACB sensor errors
152 - Transmission ratio learning process not completed
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TABLE 6 - BENDIX WINGMAN
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ACB TROUBLESHOOTING CODES
Actions
Possible causes:
• These trouble codes result from incorrect ignition,
battery supply voltage, or wiring harness issues as
measured at the ACB sensor.
Review the following sections:
• IGNITION VOLTAGE TOO LOW
• IGNITION VOLTAGE TOO HIGH
• POWER SUPPLY TESTS
• TROUBLESHOOTING WIRING HARNESS
Perform the following:
• Verify ignition supply voltage to the ACB sensor is
between 9 to 16 VDC.
• Visually check for damaged or corroded connectors.
• Visually check for damaged wiring.
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• Clear the Bendix Wingman
the procedure CLEARING BENDIX
ACB DIAGNOSTIC TROUBLE CODES (DTC).
• If the error returns, call the Bendix Tech Team for
assistance at 1-800-AIR-BRAKE.
Possible causes:
• Brake system and/or engine retarder are not
performing as they should.
Perform the following:
• Check engine, and engine retarder trouble codes.
• Inspect brake mechanical and pneumatic system for
proper operation.
• Clear the Bendix ® Wingman
the procedure CLEARING BENDIX
ACB DIAGNOSTIC TROUBLE CODES (DTC).
• If the error returns, call the Bendix Tech Team for
assistance at 1-800-AIR-BRAKE.
Possible causes:
• The system was used improperly, such as on steep
grades.
Review the following sections:
• ACB BRAKE OVERUSE WARNING
Perform the following:
• Check engine, and engine retarder trouble codes.
• Clear the Bendix ® Wingman
the procedure CLEARING BENDIX
ACB DIAGNOSTIC TROUBLE CODES (DTC).
• If the error returns, call the Bendix Tech Team for
assistance at 1-800-AIR-BRAKE.
Possible causes:
• Some error conditions may occur at extreme
high or low temperatures. These trouble codes
must be diagnosed with the ambient temperature
above 32°F (0°C).
Perform the following:
• Clear the Wingman
the procedure CLEARING BENDIX
ACB DIAGNOSTIC TROUBLE CODES (DTC).
• If the error returns, call the Bendix Tech Team for
assistance at 1-800-AIR-BRAKE.
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ACB trouble codes using
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® ACB trouble codes using
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WINGMAN
® ACB trouble codes using
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WINGMAN
® ACB trouble codes using
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WINGMAN
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