NB7 - Check Continuity MIL Circuit

- Key Off.

- Disconnect PCM. Inspect for damaged or pushed out pins, corrosion, loose wires. etc. Service as necessary.

- Install breakout box, leave PCM disconnected.

- Measure resistance between Test Pin 2 at the breakout box and Pin 2 at the Instrument Cluster connector (Circuit 251).

- Is resistance less than 5.0 ohms?

YES -- REPLACE PCM. REMOVE breakout box. VERIFY the service by turning the ignition key to the "ON" position.

NO -- SERVICE open in the MIL circuit. REMOVE breakout box RECONNECT PCM. VERIFY service by turning key to the "ON" position.