# No rpm signal ECU Black new sensors

**URL:** <https://community.ecumaster.com/t/no-rpm-signal-ecu-black-new-sensors/4618>\
**Category:** EMU BLACK / CLASSIC\
**Tags:** update\
**Created:** [October 22, 2025, 12:35pm UTC](https://community.ecumaster.com/t/no-rpm-signal-ecu-black-new-sensors/4618 "2025-10-22T12:35:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![BIGJOHNJED](https://avatars.discourse-cdn.com/v4/letter/b/aeb1de/32.png) [@BIGJOHNJED](https://community.ecumaster.com/u/BIGJOHNJED)\
**Post date:** [October 22, 2025, 12:35pm UTC](https://community.ecumaster.com/t/no-rpm-signal-ecu-black-new-sensors/4618/1 "2025-10-22T12:35:19Z")

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So hey all ! So have 2005 Subaru non turbo with dbw

So ECU black is what we have . We used new cam and crank sensors . I made new wire harness to sensors . I have no rpm signal We ohm check sensors 1.8k ohm with harness hooked up measured at pins . Sensor terminal jumpered measure .003 taken at pins of ECU . I haven’t checked for voltage out out yet but will tonight . I can fire off coils as needed and fire injectors as needed when testing . What am I missing for no RPM reading , when scoping it is also flat line ….