Specs & Interchange — ACVN51212 (CV-N series) Micro ISO plug-in relay; 12V coil; SPST-NO (1 Form A); 35A @14V; sealed; internal resistor; coil 180Ω; operate ≤7.0V; contact voltage drop ≤0.5V. Interchange/Reference OEs: Compatible with Subaru 25230AA220 (ACVN51212 M28); Compatible with Subaru 82501AL000; Compatible with Honda 39794-SDA-A03 (Micro ISO). Match 4-pin Micro-ISO layout before purchase.
Operation & Install — Typical location: engine compartment fuse/relay box; some models also use interior fuse/relay boxes. Circuits commonly controlled by this Micro ISO 4-pin relay include A/C magnetic clutch, condenser/sub radiator fans, blower, horn, accessory power and starter-cut (varies by trim/year). Symptoms of failure: A/C clutch not engaging or intermittent cooling, fans not cycling, horn inoperative, random accessory power loss.
Honda Accord Fitment — 2015 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2016 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2017 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2018 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2019 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2020 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2021 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2022 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2023 Compatible with Honda Accord — Engine Bay Fuse Box Relay; 2024 Compatible with Honda Accord — Engine Bay Fuse Box Relay
Honda CR-V Fitment — 2008 Compatible with Honda CR-V — Engine Bay Fuse Box Relay; 2009 Compatible with Honda CR-V — Engine Bay Fuse Box Relay; 2015 Compatible with Honda CR-V — Engine Bay Fuse Box Relay; 2022 Compatible with Honda CR-V — Engine Bay Fuse Box Relay; 2023 Compatible with Honda CR-V — Engine Bay Fuse Box Relay; 2024 Compatible with Honda CR-V — Engine Bay Fuse Box Relay. (Coverage evidenced in Honda parts diagrams for these years.)
Complementary items (sold separately) — For vehicles that use multiple Micro-ISO 4-pin relays in the same panel, replacing related circuits together can solve intermittent A/C or fan faults: Compatible with Honda 39794-SDA-A05 (Micro ISO, Mitsuba) used for condenser-fan/drive-by-wire; Compatible with Honda 39794-SDA-A02 (Micro ISO, Denso) used for radiator-fan/DBW on some CR-V trims.
وصف
Replacement micro-ISO power relay for engine bay or cabin fuse/relay boxes. Built for high-current circuits such as A/C magnetic clutch, condenser/radiator fans, horn, blower, accessory power, and starter-cut (varies by vehicle).
Key Specifications TypeMicro ISO plug-in relay, SPST-NO (1 Form A) Coil12 VDC, internal resistor, approx. 180 Ω Contact Rating35 A @ 14 VDC Operate Voltage≤ 7.0 V Contact Drop≤ 0.5 V (typ.) SealingSealed construction SeriesPanasonic CV-N (Model ACVN51212) Interchange / Reference OE (for search & identification)Compatible with Subaru 25230AA220 (ACVN51212 M28)
Compatible with Subaru 82501AL000
Compatible with Honda 39794-SDA-A03 (Micro ISO)
Typical Installation LocationsEngine compartment fuse/relay box
Interior fuse/relay box (varies by model)
What Problems It AddressesA/C clutch not engaging or intermittent cooling
Cooling fans not cycling or running continuously
Horn inoperative; random accessory power loss
Fitment Highlights (North America) Verified examples include:
2015–2024 Compatible with Honda Accord — Engine Bay Fuse Box Relay
2008, 2009, 2015, 2022–2024 Compatible with Honda CR-V — Engine Bay Fuse Box Relay
2020–2021 Compatible with Subaru Crosstrek — Horn/Control Fuse Box Relay
2020–2021 Compatible with Subaru Forester — Horn/Control Fuse Box Relay
2002, 2011, 2025 Compatible with Subaru Outback — Horn/Control Fuse Box Relay
Service TipWhen resolving A/C or fan issues, it's common to renew adjacent Micro-ISO relays at the same time. Related options (sold separately): Compatible with Honda 39794-SDA-A05 (Mitsuba) and Compatible with Honda 39794-SDA-A02 (Denso), used for condenser/radiator fan and drive-by-wire circuits on select trims.
Always match terminals and OE part number before installation.