HE16 - Check DPFE SIG For Open In Harness

- Key Off.

- DPFE sensor disconnected.

- 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 65 (DPFE SIG) and DPFE SIG circuit at the DPFE sensor vehicle harness connector.

- Is resistance less than 5.0 ohms?

YES -- GO to HE17. HE17 - Check SIG RTN For Open In Harness

NO -- SERVICE open in DPFE SIG circuit. REMOVE breakout box. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes