Quantcast ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSTIC TOOL BLINKS 10 TIMES IN SERIES: ABS MODULATOR VALVE FAULT

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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
7.
Connect relay valve
13. ANTI-LOCK BRAKING
connector to ABS relay
SYSTEM (ABS) DIAGNOSTIC
valve.
TOOL BLINKS NINE TIMES IN
SERIES: ABS RELAY VALVE
FAULT - CONTINUED
WARNING
Remove rings, bracelets, wristwatches, neck chains, and any other jewelry before
working around trailer. Jewelry may catch on equipment or may short across an
electrical circuit.  Failure to comply may result in serious injury or death to
personnel.
1.
Check to see if 8-14 vdc is
1.
Disconnect POWER
14. ANTI-LOCK BRAKING
present at ABS ECU POWER
connector from ABS ECU.
SYSTEM (ABS) DIAGNOSTIC
connector pin 1?
TOOL BLINKS 10 TIMES IN
SERIES: ABS MODULATOR
VALVE FAULT
2.
Set digital multimeter to
ohms.
3.
Connect positive (+) probe
of digital multimeter to
POWER connector pin 1.
4.
Connect negative (-) probe
of button probe to a known
good ground.
0037 00-59


 


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