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Home >> Saturn >> 2000 >> LS L4-2.2L VIN F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Vehicle On-Board Diagnostic System Check >> Chart 3

Chart 3

Diagnostic Chart (Part 3 Of 3):




Schematic (Part 3 Of 3):




On the V6 (L81) and automatic transaxle, the Scan tool communicates over a KW2000 data link.

The BCM did not indicate any DTCs relating to the ECM or TCM up to this point in the "Vehicle On-Board Diagnostic System Check." Since the Scan tool cannot communicate with the ECM or TCM, this chart will diagnose faults associated with the KW2000 data link.