Quantcast CODE 15  l  OIL   OR  COOLANT TEMPERATURE SENSOR (OTS OR   CTS)    SIGNAL VOLTAGE LOW (cont)

 
  
 
Section 4 TM   9-2320-363-20-1 TROUBLESHOOTING CHARTS E.   CODE 15  l  OIL   OR  COOLANT TEMPERATURE SENSOR (OTS OR   CTS)    SIGNAL VOLTAGE LOW (Cent’d.) STEP/SEQUENCE 15-5 Check ECM Connectors •Check  terminals   atthe    ECM engine harness connector (both the ECM and  harness   side)   for  damage; bent,  corroded, and  unseated pins  or  sockets.   Especially terminals   R2  and   Y2  of  the  ECM connector. 15-30 Verify Repairs Turn  ignition   off. l  Reconnect   all  connectors. Turn  ignition   on. l  Clear  codes. l  Note  status  of  “Check    Engine” light. l  if  "Check   Engine”   light  does  not stay  on,  start  engine   and  run  until “Check   Engine”   light  comes   on or  for  1 minute.   Stop  engine. l  Read  historical   codes. RESULT WHAT    TO   DO   NEXT Terminals  and Replace   ECM,  page   4-192. connectors are  okay. Then  go  to  15-30. Problem   found. Repair   terminals/connectors, page   3-2.  Then  go  to  15-30. Code  25  (no  codes). Repairs are  complete. Code   15  (and All  system   diagnostics are any  other   codes). complete. Please   review  this section   from  the  start  to  find  the error. Any  other   codes Go  to  START-1,page   3-121, except   Code   15. to  service   other   codes. 3-215


 


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