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Home >> Cadillac >> 2001 >> Seville SLS >> Repair and Diagnosis >> Electrical >> Gauges >> Analog Instrument Panels >> Self-Diagnostic System >> Hydraulic Brakes Diagnostic System Check

Hydraulic Brakes Diagnostic System Check

  1. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, near steering column. If scan tool powers up, go to next step. If scan tool does not power up, perform TEST A: SCAN TOOL DOES NOT POWER UP under SYSTEM TESTS in BODY CONTROL MODULES - SEVILLE article.
  2. Turn ignition switch to RUN position. Using scan tool, attempt to communicate with Electronic Brake Control Module (EBCM) and Instrument Panel Cluster (IPC). If scan tool communicates with EBCM and IPC, go to next step. If scan tool does not communicate with EBCM and IPC, perform TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS in BODY CONTROL MODULES - SEVILLE article.
  3. Using scan tool, select DISPLAY DTCs function for EBCM and IPC. If scan tool displays any DTCs, go to next step. If scan tool does not display any DTCs, repair hydraulic brakes by symptom. See appropriate article in BRAKES.
  4. If scan tool does not display any DTCs which begin with "U", go to next step. If scan tool displays any DTCs which begin with "U", perform TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS in BODY CONTROL MODULES - SEVILLE article.
  5. If scan tool does not display DTCs B1004, B1007 or B1009, go to next step. If scan tool displays DTCs B1004, B1007 or B1009, perform appropriate test in accordance with DTC retrieved. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in BODY CONTROL MODULES - SEVILLE article.
  6. If scan tool displays DTCs B1513, B1514, B1982 or B1983, perform appropriate test in accordance with DTC retrieved. See GENERATORS & REGULATORS - SEVILLE article in STARTING & CHARGING SYSTEMS. If scan tool does not display DTCs B1513, B1514, B1982 or B1983, perform appropriate test in accordance with DTC retrieved. See appropriate ANTI-LOCK article in BRAKES.
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