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Entering Diagnostics

NOTE: Operating vehicle in "Service Mode" for extended time periods, without engine running, will cause battery to run down and possibly relate false diagnostic information.

To enter diagnostic mode, turn ignition to ON position. Press "OFF" and "WARMER" buttons on the Climate control panel simultaneously, and hold until a segment check is displayed on IPC and COMBO panel. See Fig 1 -Fig 5 .

Fig 1: Entering Diagnostics Mode Flow Chart (1 Of 5)
G00103556Courtesy of GENERAL MOTORS CORP.
Fig 2: Entering Diagnostics Mode Flow Chart (2 Of 5)
G00103557Courtesy of GENERAL MOTORS CORP.
Fig 3: Entering Diagnostics Mode Flow Chart (3 Of 5)
G00103558Courtesy of GENERAL MOTORS CORP.
Fig 4: Entering Diagnostics Mode Flow Chart (4 Of 5)
G00103559Courtesy of GENERAL MOTORS CORP.
Fig 5: Entering Diagnostics Mode Flow Chart (5 Of 5)
G00103560Courtesy of GENERAL MOTORS CORP.
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