HE11 - Check DPFE SIG For Short to PWR

- Key Off.

- Disconnect DPFE sensor vehicle harness connector.

- Key On, Engine Off.

- Measure voltage between DPFE SIG circuit at the DPFE sensor vehicle harness connector and battery ground.

- Is voltage greater than 10.5 volts?

YES -- The DPFE SIG input is indicating a short to PWR. GO to HE12. HE12 - Check DPFE SIG For Short to PWR In Harness

NO -- GO to HE13. HE13 - Induce Opposite DPFE Signal