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Test Description

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. 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. 4. Tests for the proper operation of the circuit in the high voltage range.
  2. 5. Tests for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.
  3. 6. Tests for a short to ground in the 5 volt reference circuit.
  4. 8. Tests for a short to voltage, a high resistance, or an open.
  5. 15. Perform the recalibration procedure for the powertrain control module.
Fig 1: DTC P0530 (LG8), Testing Procedures (1 of 2)
G01719988Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0530 (LG8), Testing Procedures (2 of 2)
G01719989Courtesy of GENERAL MOTORS CORP.
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