GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Control

Additional Menu Selections

Description

Refer to the scan tool manual for complete scan tool operating instructions.

2WD High Indicator Light

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This function allows the technician to command the 2WD high indicator light, within the transfer case shift control switch, on or off.

4WD High Indicator Light

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This function allows the technician to command the 4WD high indicator light, within the transfer case shift control switch, on or off.

4WD Low Indicator Light

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This function allows the technician to command the 4WD low indicator light, within the transfer case shift control switch, on or off.

ATC Motor A Control

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This function allows the technician to energize the motor, causing it to shift the transfer case through all five modes. Motor control A moves in the opposite direction as motor control B.

ATC Motor B Control

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This function allows the technician to energize the motor, causing it to shift the transfer case through all five modes. Motor control B moves in the opposite direction as motor control A.

Neutral Indicator Light

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This function allows the technician to command the neutral indicator light, within the transfer case shift control switch, on or off.