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 TM 9-2330-394-13&P
BRAKE SYSTEM TROUBLESHOOTING - Continued
0037 00
BRAKE SYSTEM - Continued
Table 1. Brake System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Towing vehicle ignition must be on during steps (5 through 10).
5.
Connect ABS diagnostic tool
7. ANTI-LOCK BRAKING
to ABS diagnostic test
SYSTEM (ABS) DIAGNOSTIC
connector.
TOOL BLINKS THREE TIMES
IN SERIES: LEFT FRONT ABS
WHEEL SPEED SENSOR
FAULT (MTVT) - CONTINUED
6.
If towing vehicle is not FMTV
A1, position towing vehicle
main light switch to SER
DRIVE and depress brake
pedal during step (7).
7.
Press button on ABS
diagnostic tool for 1 second
and release.
8.
Check to see if ABS
diagnostic tool blinks.
9.
If towing vehicle is not FMTV
A1, position towing vehicle
main light switch to OFF.
10. If ABS diagnostic tool does
not blink, fault is corrected.
Shut down towing vehicle
engine.
2.
Check to see if front wheel
1.
Road test trailer.
wobbles or shimmies.
2.
Check to see if left front
wheel wobbles or shimmies.
3.
Shut down towing vehicle
engine.
0037 00-33
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