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.

Important: Transmission must be in transmission neutral for any of these output controls to operate.

2WD High Indicator Light

--

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

--

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

--

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

ATC Motor Learn

--

This function allows the technician to command the transfer case shift control module to relearn the clutch status after the encoder motor, module, or transfer case is replaced.

Auto 4WD Indicator Light

--

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

Neutral Indicator Light

--

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