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J1922  DATA  LINK  FAILURE
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TM-9-2320-360-20-3 Truck Tractor M1070 8x8 Heavy Equipment Transporter (HET) Manual
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ECM  BATTERY  VOLTAGE  HIGH
TM  9-2320-360-20-3 Section  4 TROUBLESHOOTING   CHARTS FLASH   CODE: 62 DDR  DISPLAY (AUXILIARY  OUTPUT    #1)  OPEN  CIRCUIT SAE  J1587  CODE: SID:  026  FMI:  4 Indicates that the function (engine brake) assigned to the Auxiliary Output #1 circuit output is open or is shorted to  ground.  This  diagnostic  condition  is  detected  when  the  Auxiliary  Output  #1  function  is  OFF  and the DDEC III ECM  measures  a  low  voltage  on  the  circuit  output. NOTE: The DDR will display the parameter text description in TABLE 2 (ECM Output Options) to identify the function assigned to AUXILIARY OUTPUT #1. FLASH   CODE: 63 DDR  DISPLAY PWM  DRIVER  #1  SHORT  TO  BATTERY  (+) SAE  J1587  CODE: SID:  057  FMI:  3 Indicates that the PWM DRIVER #1 circuit (transmission modulator) output is shorted to battery (+). This diagnos- tic  condition  is  detected  when  the  DDEC  III  ECM  is  unsuccessful  in  turning  ON  the  circuit  function. NOTE: The DDEC Ill ECM supplies a switched ground to the PWM DRIVER #1 circuit to turn  ON the  circuit function. FLASH   CODE: 63 DDR  DISPLAY PWM DRIVER #1 OPEN CIRCUIT SAE  J1587  CODE: SID:  057  FMI:  4 Indicates  that  the  PWM  DRIVER  #1  circuit  (transmission  modulator)  output  is  open  or  is  shorted  to  ground,  This diagnostic condition is detected when the PWM Driver #1 function is OFF and the DDEC Ill ECM measures a low voltage  on  the  circuit  output. FLASH   CODE: 71 DDR  DISPLAY XXX INJECTOR RESPONSE TIME SHORT SAE  J1587  CODE: SID: XX FMI: 1 Indicates  that  the  time  it  takes  from  when  the  DDEC  III  ECM  requests  an  injector  be  turned  on  to  when  the  injec- tor  solenoid  valve  actually  closes  is  shorter  than  the  lower  limit  of  the  expected  range.  This  diagnostic  condition is  typically: (1) aerated  fuel  system (2) high  system  battery  (+)  supply  voltage (3) failed  solenoid  valve NOTE:  The  injector  diagnostic  SID  (Subsystem  IDentifier)  indicates  which  cylinder  number  has  an  injector  with  a short  response  time.   The  injector  number  describes  the  cylinder  and/or  bank  which  has  the  injector  with a short response time. The troubleshooting chart for this flash code is covered in TM 9-2320-360-34-1, Injector response times generally increase with low battery supply voltage and decrease with high battery supply voltage. Although injector response times vary from injector to injector at a given RPM, each indi- vidual injector response time should remain relatively consistent from one firing to the next. Wide varia- tions in response time (typically +/- 0.2 msec) for one injector at a steady engine RPM may indicate an electrical  problem  (faulty  alternator  or  voltage  regulator,  poor  or  broken  ground  cables,  etc.). H-22

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