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Home >> Oldsmobile >> 2001 >> Intrigue GL >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Self-Diagnostic System >> Engine Cooling System Diagnostic System Check

Engine Cooling System Diagnostic System Check

  1. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, to right of steering column. See Figure . 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 G: SCAN TOOL DOES NOT POWER UP  under SYSTEM TESTS.
  2. Turn ignition switch to RUN position. Try to establish scan tool communication with Instrument Panel Cluster (IPC) and Powertrain Control Module (PCM). If communication with IPC and PCM is established, go to next step. If communication with IPC and/or PCM is not established, go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  under SYSTEM TESTS.
  3. Select DISPLAY DTC function for PCM. Record all displayed DTCs and status of displayed DTCs. If any DTCs are displayed, go to next step. If no DTCs are displayed, repair cooling system as necessary.
  4. If scan tool does not display any DTCs that begin with "U", go to DIAGNOSTIC TROUBLE CODE DEFINITIONS  . If scan tool displays any DTCs that begin with "U", go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  under SYSTEM TESTS.
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