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Home >> Oldsmobile >> 2002 >> Intrigue GLS >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Starting System >> Self-Diagnostic System >> Diagnostic System Check - Engine Electrical >> Test Procedure

Test Procedure

  1. Perform the Battery Inspection/Test. See BATTERY TESTING & INSPECTION . Does the battery pass the test? If yes, go to next step.
  2. Install a scan tool. Turn ON the ignition, with the engine OFF. Does the scan tool power up? If yes, go to next step. If no, go to BODY CONTROL MODULES.
    NOTE: The engine may start during the following step.
  3. Turn OFF the engine as soon as you have observed the Crank power mode. Access the Ignition Switch parameter in the body control module (BCM) inputs data display list. Rotate the ignition switch through all positions while observing the ignition switch power mode parameter. Does the ignition switch parameter reading match the ignition switch position for all switch positions? If yes, go to next step. If no, go to BODY CONTROL MODULES.
  4. Turn ON the ignition, with the engine OFF. Attempt to communicate with each of the following modules on the class 2 serial data circuit:
    • Body Control Module (BCM).
    • Instrument Panel Cluster (IPC).
    • Powertrain Control Module (PCM).
    Does the scan tool communicate with all modules on the class 2 serial data circuit? If yes, go to next step. If no, go to BODY CONTROL MODULES.
  5. Select the Display DTCs function for each module. If using a Tech 2, use the Class 2 DTC Check feature in order to determine which modules have DTCs set. Record all of the displayed DTCs, the DTC status, and the module which set the DTC. Does the scan tool display any DTCs? If yes, go to next step. If no, go to SYMPTOMS - ENGINE ELECTRICAL  .
  6. Does the scan tool display any DTCs which begin with a "U"? If yes, go to BODY CONTROL MODULES. If no, go to next step.
  7. Does the scan tool display DTC B1000 or B1013? If yes, go to BODY CONTROL MODULES. If no, go to DIAGNOSTIC TROUBLE CODE DEFINITIONS .
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