GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Controls for HUMMER H2 2004

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.