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Engine Electrical Diagnostic System Check

  1. Perform battery test and inspection. See BATTERY TESTING & INSPECTION  under ON-VEHICLE TESTING. If battery passed test, go to next step. If battery did not pass test, replace battery.
  2. Connect scan tool to Data Link Connector (DLC). Turn ignition switch to RUN position. If scan tool powers up, go to next step. If scan tool does not power up, repair as necessary. See BODY CONTROL MODULES - INTRIGUE article in ACCESSORIES & EQUIPMENT.
  3. Turn ignition switch to RUN position. Using scan tool, attempt communication with Body Control Module (BCM), Powertrain Control Module (PCM) and Instrument Panel Cluster (IPC). If scan tool communicates with all modules, go to next step. If scan tool does not communicate with any modules, repair communications concern. See BODY CONTROL MODULES - INTRIGUE article in ACCESSORIES & EQUIPMENT.
  4. Using scan tool, select DISPLAY DTCs function for each module. Record all DTCs displayed, DTC status and module which set the DTC. If scan tool displayed any DTCs, go to next step. If scan tool does not display any DTCs, repair starting system by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.
  5. If scan tool displays DTCs which begin with "U", perform appropriate test. See BODY CONTROL MODULES - INTRIGUE article in ACCESSORIES & EQUIPMENT. If scan tool does not display DTCs which begin with "U", go to next step.
  6. If scan tool displays DTCs B1000 or B1013, repair these DTCs first. See BODY CONTROL MODULES - INTRIGUE article in ACCESSORIES & EQUIPMENT. If scan tool does not display DTCs B1000 or B1013, perform appropriate test. See BODY CONTROL MODULES - INTRIGUE article in ACCESSORIES & EQUIPMENT.
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