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.

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 High Lock Indicator Light

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

4WD Low Lock Indicator Light

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

Differential Lock Indicator Light

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

Motor A Driver - High

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This function allows the technician to request the high side driver for the motor control A circuit, thus allowing the technician to test the circuit and the transfer case shift control module for their ability to provide battery voltage to the motor.

Motor A Driver - Low

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This function allows the technician to request the low side driver for the motor control A circuit, thus allowing the technician to test the circuit and the transfer case shift control module for their ability to provide a ground path for the motor.

Motor B Driver - High

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This function allows the technician to request the high side driver for the motor control B circuit, thus allowing the technician to test the circuit and the transfer case shift control module for their ability to provide battery voltage to the motor.

Motor B Driver - Low

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This function allows the technician to request the low side driver for the motor control B circuit, thus allowing the technician to test the circuit and the transfer case shift control module for their ability to provide a ground path for the motor.

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.