GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Control

Additional Menu Selection

Description

Ignition Power Relay

Miscellaneous Test

This output control commands the Ignition 1 (IGN 1) relay On and Off. When the relay is commanded ON it will supply the following devices with B+:

    â€¢ The ABS Functions
    â€¢ The AC compressor relay
    â€¢ The Crank relay
    â€¢ The HVAC control head
    â€¢ The IPC
    â€¢ The PCM
    â€¢ The SDM
    â€¢ The Transmission solenoids

Retained Accessory Power

Miscellaneous Test

Commands RAP relay On/Off for 5 seconds to check equipment response