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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Body Control System) >> Diagnostic Information and Procedures >> Power Mode Mismatch >> Test Description
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Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 6. This step tests for battery voltage on the signal circuits that are not required.
  2. 7. This step tests for no battery voltage on the required signal circuits.
  3. 8. If any ignition switch parameters that should be inactive in the present ignition switch position are active, 2 ignition switch signal circuits may be shorted together.
  4. 9. This step eliminates open circuits as the cause of the malfunction.

Fig 1: Power Mode Mismatch (1 Of 3)
G01801261Courtesy of GENERAL MOTORS CORP.
Fig 2: Power Mode Mismatch (2 Of 3)
G01801262Courtesy of GENERAL MOTORS CORP.
Fig 3: Power Mode Mismatch (3 Of 3)
G01801263Courtesy of GENERAL MOTORS CORP.
Fig 4: Control Module References (1 Of 2)
G01801264Courtesy of GENERAL MOTORS CORP.
Fig 5: Control Module References (2 Of 2)
G01801265Courtesy of GENERAL MOTORS CORP.