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Instrument Cluster Diagnostic System Check

  1. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, to right of 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.
  2. Turn ignition switch to RUN position. Attempt to establish communication with Instrument Panel Cluster (IPC), Electronic Brake Control Module (EBCM), Sensing Diagnostic Module (SDM) and Powertrain Control Module (PCM). If scan tool communicates with all control modules, go to next step. If scan tool does not communicate with any control module, perform TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS. See BODY CONTROL MODULE - CAMARO & FIREBIRD article.
  3. Using scan tool, select DISPLAY DTCs function for IPC, EBCM, SDM and PCM. If scan tool displays any DTCs, go to next step. If scan tool does not display any DTCs, repair IPC by symptom. See SYMPTOM INDEX  under SYSTEM TESTS.
  4. If scan tool does not display any DTCs which begin with a "U", go to next step. If scan tool displays any DTCs which begin with a "U", see BODY CONTROL MODULE - CAMARO & FIREBIRD article.
  5. If scan tool does not display DTC B1000, go to next step. If scan tool displays DTC B1000, perform DTC B1000: INSTRUMENT PANEL CLUSTER INTERNAL FAILURE  under DIAGNOSTIC TESTS.
  6. If scan tool displays DTCs P0560, P0562, P0563, P0615, P0620 or P1637, see appropriate GENERATORS & REGULATORS article under STARTING & CHARGING SYSTEMS. If scan tool displays any other DTCs, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
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