KOER Self-Test

WARNING: This page is about a different car, the 1996 Mazda B4000, 1996 Mazda B3000, and 1996 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.

Ensure engine is warmed to normal operating temperature. Turn ignition off. Ensure test equipment is properly attached. Program NGS tool using the following steps:

Select VEHICLE & ENGINE SELECTION.
Select year, engine, model and any additional information requested by tool.
Select DIAGNOSTIC DATA LINK.
Select PCM - POWERTRAIN CONTROL MODULE.
Select DIAGNOSTIC TEST MODE.
Select KOER ON-DEMAND SELF-TEST.
Start engine and allow to idle.
Press start and trigger.
Follow operating instructions from tool menu.
Perform BOO and O/D OFF switch cycling (if equipped).