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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 524 (Charging System) >> Diagnostic Tests >> DTC B1513 Or DTC B1514: Charging System Volts >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora and 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. If engine electrical diagnostic system check was performed, go to next step. If engine electrical diagnostic system check was not performed, go to ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under ON-VEHICLE TESTING.
  2. Connect scan tool to Data Link Connector (DLC). See COMPONENT LOCATIONS  . Start engine and allow voltage to stabilize. Using scan tool, observe VOLTS parameter from Instrument Panel Cluster (IPC) data list. If VOLTS parameter is 10.5-16.2 volts, go to next step. If VOLTS parameter is not 10.5-16.2 volts, go to TEST A: CHARGING SYSTEM TEST  under SYSTEM TESTS.
  3. Replace IPC. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. After repairs are made, go to next step.
  4. Using scan tool, clear DTCs. Start engine. If DTC B1513 or DTC B1514 does not reset, system is okay. If DTC B1513 or DTC B1514 resets, go to step  2 .