Exiting PCM Switch Test Mode

WARNING: This page is about a different car, the 1992 Cadillac Fleetwood and 1992 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

To exit PCM switch test mode at anytime and return to ".7.0", complete procedures for clearing PCM or BCM trouble codes. See CLEARING TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM.

Fig 1: PCM Harness Connector 2-A/B (Black)

Courtesy of GENERAL MOTORS

Fig 2: PCM Harness Connector 1-C/D (Black)

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Fig 3: PCM Harness Connector 3-E/F (Green)

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Fig 4: Engine to Dash Connector Mating Side

Courtesy of GENERAL MOTORS