(b) Turn the ignition switch to ON and turn the tester ON.
(d) Switch the ECM from normal mode to check mode using the tester (see page ES-43).
(e) Start the engine and warm it up with all the accessories switched OFF.
(f) Drive the vehicle at between 38 mph and 75 mph (60 km/h and 120 km/h) and at an engine speed of between 1,400 rpm and 3,200 rpm for 3 to 5 minutes.
If the system is still malfunctioning, the MIL will be illuminated during step (f).
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