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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 358 (HVAC Systems - Manual) >> Diagnostic Information and Procedures >> DTC P0530: A/C Refrigerant Pressure >> Test Description

Test Description

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

  1. 4. Tests for the proper operation of the circuit in the low voltage range.
  2. 5. Tests for the proper operation of the circuit in the high voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to ground.
  3. 6. Tests for a short to voltage in the 5-volt reference circuit.
Fig 1: DTC P0530 (Steps 1-3)
G01579812Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0530 (Steps 4-13)
G01579813Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P0530 (Steps 14-17)
G01579814Courtesy of GENERAL MOTORS CORP.