Check MIL Remains Blinking at a Cycle of 3 Hz

Wiring Diagram:

Step 1:

Step 2:

CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL) REMAINS BLINKING AT A CYCLE OF 3 HZ.

DIAGNOSIS:
Test mode connector circuit is shorted.

TROUBLE SYMPTOM
MIL blinks at a cycle of 3 Hz when ignition switch is turned to ON.