MIL1 - Check MIL Operation

- Key OFF.

- Install Breakout Box (leave PCM disconnected).

- Key ON.

- Ground BOB Test Pin STO/MIL.

- Does Malfunction Indicator Lamp (CHECK ENGINE) illuminate?

Yes -- STO/MIL circuit OK.

If diagnostic trouble codes do not flash on MIL during Quick Test or MIL never comes ON, Replace the PCM.

No -- Go to MIL2. MIL2 - Check MIL Bulb