ELU2 - ELU Signal to PCM

- Key OFF.

- Install Breakout Box (leave PCM disconnected).

- Key ON.

Switch Position/Resistance Chart:

- Measure the resistance between the ELU Test Pin 11 and ground while exercising the inputs in the image.

- Compare readings to the table in the image.

- Are the resistances OK?

Yes -- Replace the PCM.

No -- Go to ELU3. ELU3 - ELU Power