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Entering Diagnostics

NOTE:

Operating the vehicle in diagnostics for extended time periods without the engine running or without a battery charger will cause the battery to run down and possibly relate false diagnostic information, or cause a no start condition. To ensure proper operation, attach a battery charger if vehicle is to be operated in diagnostics without engine running for periods longer than 1/2 hour.

To enter diagnostics, proceed as follows:

  1. Turn the ignition on.
  2. Push the "OFF" and "WARM" buttons on the Climate Control Panel simultaneously and hold until the segment check appears on the IPC and Combo Panel. Refer to Identifying Entering Diagnostics Mode Flow Charts, Fig 1-Fig 6 .

Fig 1: Identifying Entering Diagnostics Mode Flow Chart (1 Of 6)
G00133537Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Entering Diagnostics Mode Flow Chart (2 Of 6)
G00133538Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Entering Diagnostics Mode Flow Chart (3 Of 6)
G00133539Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Entering Diagnostics Mode Flow Chart (4 Of 6)
G00133540Courtesy of GENERAL MOTORS CORP.
Fig 5: Identifying Entering Diagnostics Mode Flow Chart (5 Of 6)
G00133541Courtesy of GENERAL MOTORS CORP.
Fig 6: Identifying Entering Diagnostics Mode Flow Chart (6 Of 6)
G00133542Courtesy of GENERAL MOTORS CORP.
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