CID1 - CID Signal

- Key Off.

- Install Breakout Box (connect PCM).

- Measure the voltage at Test Pin CID while bumping the starter.

- Does the voltage alternate between approximately 0 volts and 5 volts?

Yes -- CID circuit OK.

If sent to this test by the Component Verification Test, Return to Diagnostic Routines. Testing and Inspection

Otherwise, Replace the PCM.

No -- Go to CID2. CID2 - VPWR to Distributor