Test Description

WARNING: This page is about a different car, the 1995 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Test numbers refer to numbers on diagnostic chart.

A problem that may prevent compressor from engaging may or may not cause Code 69 to set.
If the A/C compressor clutch operates properly and scan tester indicates A/C status off, then an open exists between the PCM and the splice to the compressor.

Fig 1: Code 69 Schematic (Corvette) A/C Compressor Relay

Fig 2: Code 69 Diagnostic Flow Chart (Corvette) A/C Compressor Relay