DR3 - Check VPWR to CMP Sensor

- Key Off.

- Disconnect CMP sensor vehicle harness connector.

- Key On, Engine Off.

- Measure voltage between VPWR circuit at the CMP vehicle harness connector and battery negative post.

- Is voltage greater than 10.5 volts?

YES -- Go to DR4. DR4 - Check PWR GND to CMP Sensor

NO -- SERVICE open in VPWR circuit. RECONNECT all components. Complete PCM reset to clear DTCs. Clearing Diagnostic Trouble Codes

Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes