Accessing Output Test Mode

To access OUTPUT TEST MODE, turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tool using the following steps:

• Select VEHICLE & ENGINE SELECTION menu.
• Select NEW VEHICLE, YEAR & MODEL.
• Follow operating instructions from scan tool menu.
• Select DIAGNOSTIC DATA LINK.
• Select POWERTRAIN CONTROL MODULE.
• Select DIAGNOSTIC TEST MODE.
• Select ACTIVE COMMAND MODE.
• Select OUTPUT TEST MODE.
• Turn ignition switch to ON position.
• Follow operating instructions from scan tool menu.
• Select START to turn outputs on.
• Select STOP to turn outputs off.
• Select either LOW SPEED FAN, HIGH SPEED FAN or ALL ON mode.