LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Analog Instrument Panels) >> Self-Diagnostic System >> Instrument Panel Cluster Diagnostic System Check

Instrument Panel Cluster Diagnostic System Check

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 GMC Savana Special, 2001 GMC Savana Camper Special, 2001 GMC Savana, 2001 Chevrolet RV Cutaway, and 2001 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC), located below steering column. Turn ignition switch to RUN position. If scan tool powers up, go to next step. If scan tool does not power up, go to TEST A: SCAN TOOL DOES NOT POWER UP in SYSTEM TESTS article in BODY CONTROL MODULES - CHEVY EXPRESS & SAVANA article.
  2. Using scan tool, attempt to establish communications with Powertrain Control Module (PCM), Electronic Brake Control Module (EBCM) and Inflatable Restraint Sensing and Diagnostic Module (SDM). If scan tool communicates with all modules, go to next step. If scan tool does not communicate with all modules, go to TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in SYSTEM TESTS article in BODY CONTROL MODULES.
  3. Select DISPLAY DTCs function for IPC, PCM, EBCM and SDM. If scan tool displays any DTCs for IPC, PCM, EBCM and SDM, go to next step. If scan tool does not display any DTCs for IPC, PCM, EBCM and SDM, diagnose IPC concern by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.
  4. If scan tool does not display DTCs which begin with "U", go to next step. If scan tool displays DTCs which begin with "U", go to TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in SYSTEM TESTS article in BODY CONTROL MODULES.
  5. If scan tool does not display DTCs B1000, B1004 or B1009, go to next step. If scan tool displays DTCs B1000, B1004 or B1009, go to DIAGNOSTIC TROUBLE CODE DEFINITIONS DIAGNOSTIC TROUBLE CODE DEFINITIONS in BODY CONTROL MODULES.
  6. If scan tool displays DTC P0562, P0563, P1637 or P1638, diagnose charging system concern. See appropriate STARTERS or GENERATORS & REGULATORS article in STARTERS & CHARGING SYSTEMS. If any other DTCs are displayed, go to DIAGNOSTIC TROUBLE CODE DEFINITIONS  .
scientia non olet · About LEMON Manuals