Bendix Commercial Vehicle Systems WINGMAN ACB ACTIVE CRUISE W/BRAKING - Manual (Page 22)

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Table of Diagnostic Trouble Codes (DTCs), Causes and Recommended Actions (4.3)
DTC Actions
186 – J1939 Outside air temperature signal not
available or signal in error.
(This trouble code alone will not cause
Wingman ACB to disable. The heater on
the lens of the radar sensor will not operate
and will not prevent ice or snow build up.
The radar sensor may become blocked and
then Wingman ACB will disable, logging a
trouble code 201.)
Review the following sections:
• 4.6: J1939 Serial Data Communications Link
• 4.7: J1939 Engine Communications Test
• 4.8: J1939 Troubleshooting Procedure Wiring Harnesses
• Diagnostic Trouble Code 201 in Table 6
Perform the following:
Check for loss of data communications.
• Check for damaged or reversed J1939 wiring.
• Check for damaged or corroded connectors.
• Check for other devices inhibiting J1939 communications.
• With the power off, check the resistance across connector pins
(60 ohm) J1939.
• Check the reverse polarity of J1939 communications circuits at
engine, ABS, and radar sensor and at harness interconnections.
• Check the source of the signal for why the signal has an error.
• Check engine, and vehicle for trouble codes using the
manufacturers diagnostic procedures. The engine, or a vehicle
controller may be the sources of the signals. If the signal is in
error, then the issue is from the radar sensor input to one of
these controllers.
Clear the Wingman ACB trouble codes using the procedure in
Section 4.4: Clearing Diagnostic Trouble Codes.
If the error returns, call the Bendix Tech Team for assistance at
1-800-AIR-BRAKE.
193 - J1939 signal error: Reference velocity
unavailable
Possible causes:
One or more components within the Bendix ®
EC-60 ™ ABS, or ESP ® stability system have active trouble codes
that need to be diagnosed and corrected.
Perform the following:
• Inspect the brake mechanical and pneumatic system for
proper operation. Correct any issues found in the ABS or ESP
systems. (See Bendix Service Data sheet SD-13-4869 for
more information.
) Clear all trouble codes before proceeding
to the Wingman ACB system.
• Clear the Bendix ® Wingman ® ACB system trouble codes
using the procedure in Section 4.4: Clearing Diagnostic
Trouble Codes (DTCs)
.
• If the error returns, call the Bendix Tech Team for assistance
at 1-800-AIR-BRAKE.
199 - Wingman ACB self disable
Some system, signal or component caused
the Wingman ACB to be disabled. Engine
cruise control is unavailable and should
not operate when the Wingman ACB is
disabled.
Perform the following:
Check engine, and engine retarder trouble codes. Inspect and
troubleshoot the cruise control system wiring, switches, etc. for
proper operation.
• Clear the Wingman ACB trouble codes by cycling the power.
Start the engine.
• If the error returns, call the Bendix Tech Team for assistance
at 1-800-AIR-BRAKE.
201 - Radar sensor lens is dirty or blocked
202 - Forward vehicle is lost or too close to radar
sensor
Possible causes:
These trouble codes may arise from infrequent conditions that
could occur normally.
Perform the following:
• Check for lens obstruction. Clean dirt or packed snow or ice
from the lens if present.
• Clear the Wingman ACB trouble codes using the
procedure in Section 4.4: Clearing Diagnostic Trouble
Codes (DTCs)
.
• If the error returns, call the Bendix Tech Team for assistance
at 1-800-AIR-BRAKE.
TABLE 6 - DIAGNOSTIC TROUBLE CODES (PAGES 19-23)