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 1251 (Instrument Panel, Gauges & Console) >> Diagnostic Information and Procedures >> Diagnostic System Check - Driver Information System >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

  1. 2. Lack of communication may be due to a partial malfunction of the class 2 serial data circuit or due to a total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular condition.
  2. 3. The symptom list in Symptoms will determine the correct diagnostic procedure to use.
  3. 4. The presence of DTCs which begin with "U" indicate that loss of class 2 communications has occurred.
    Fig 1: Diagnostic System Check - Driver Information Systems
    G01616422Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals