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Home >> Chevrolet >> 1995 >> Corvette ZR-1 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - Tests W/Codes) >> ECM/Pcm Code Charts >> Code 68, A/C Relay Circuit Shorted >> Test Description
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Test Description

WARNING: This page is about a different variant/trim than selected.
NOTE: Test numbers refer to numbers on diagnostic chart.
  1. A/C must be off while performing test.
  2. This step will isolate ignition feed portion of circuit from clutch circuit.
  3. If Code 68 reappears at this step, PCM is internally shorted to voltage.
Fig 1: Code 68 Schematic (Corvette) A/C Relay Circuit Shorted
G95B14226
Fig 2: Code 68 Diagnostic Flow Chart (Corvette) A/C Relay Circuit Shorted
G92C04631