KOER Switch Self-Test

Turn ignition off. Ensure test equipment is properly attached. Program scan tool using the following steps:

• Select VEHICLE & ENGINE SELECTION menu.
• Select NEW VEHICLE, YEAR & MODEL.
• Select DIAGNOSTIC DATA LINK.
• Select PCM - POWERTRAIN CONTROL MODULE.
• Select DIAGNOSTIC TEST MODE.
• Select KOER SWITCH SELF-TEST.
• Turn ignition on.
• Follow operating instructions from scan tool menu.
• After pressing TRIGGER to start test, wait 5 seconds before running through driver-operated controls. Test may also take up to 5 minutes to complete.
• After test, cycle ignition off before running other tests or driving vehicle.