Specs & OE Reference: 25230-79942 Relay (replaces 25230-79943); 4-pin, 12V DC, blue micro-ISO style, compact size ~1.6 × 1.0 × 0.5 in. Typically used in engine bay IPDM or cabin fuse/relay box for blower, A/C, fuel pump, ignition, accessory. Always confirm by matching molded OE number before installation.
Install & Function: Located mainly in engine bay IPDM E/R (under-hood fuse box), sometimes in instrument panel block. Functions by circuit slot: blower motor, A/C clutch, fuel pump, ignition, HEV, accessory power. Symptoms of failure: no A/C, blower inoperative, no-start due to fuel pump relay, dead accessories or lamps. Replacement is plug-and-play.
Nissan Fitment 350Z / 370Z / GT-R: 2003–2008 Compatible with Nissan 350Z Engine Bay Fuse/Relay Box Relay 2009–2020 Compatible with Nissan 370Z Engine Bay Fuse/Relay Box Relay 2009–2024 Compatible with Nissan GT-R Engine Bay Fuse/Relay Box Relay.
Nissan Fitment Juke / Leaf / Maxima: 2011–2017 Compatible with Nissan Juke Engine Bay Fuse/Relay Box Relay 2011–2024 Compatible with Nissan Leaf Engine Bay Fuse/Relay Box Relay 2004–2014 Compatible with Nissan Maxima Engine Bay Fuse/Relay Box Relay.
Nissan Fitment Altima / Murano / Pathfinder / Armada / NV: 2002–2013 Compatible with Nissan Altima Engine Bay Fuse/Relay Box Relay 2003–2017 Compatible with Nissan Murano Engine Bay Fuse/Relay Box Relay 2014 Compatible with Nissan Pathfinder Engine Bay Fuse/Relay Box Relay 2012–2023 Compatible with Nissan Armada Engine Bay Fuse/Relay Box Relay 2012–2021 Compatible with Nissan NV Engine Bay Fuse/Relay Box Relay.
Infiniti Fitment EX / FX / G / M / QX: 2008–2013 Compatible with Infiniti EX35/EX37 Fuse/Relay Box Relay 2004–2013 Compatible with Infiniti FX35/FX37/FX45/FX50 Fuse/Relay Box Relay 2003–2013 Compatible with Infiniti G35/G37 Fuse/Relay Box Relay 2006–2010 Compatible with Infiniti M35/M45 Fuse/Relay Box Relay 2011–2013 Compatible with Infiniti QX56 Fuse/Relay Box Relay.
Complementary Use: Many vehicles use multiple identical blue relays in IPDM; replacing aged relays together prevents intermittent faults. Related relay OEs: 25230-79917, 25230-79945 (often horn, window, tow, auxiliary). Cross-replace in same service session to restore stable circuit performance.
وصف
OE & Interchange: 25230-79942 (replaces 25230-79943). Blue, 4-pin micro-ISO relay for 12V systems.
Where It Fits: Engine bay IPDM E/R (under-hood fuse/relay box) on most trims; on some models, instrument-panel fuse/relay block.
What It Controls*: Depending on socket: A/C clutch, HVAC blower, ignition, fuel pump, HEV functions, illumination/indicator, accessory power.
Typical Symptoms: Blower inoperative, A/C clutch won't engage, intermittent no-start or no fuel-pump prime, dead accessory/lamps.
Body Size (approx.): 1.6 × 1.0 × 0.5 in. Micro-form factor for tight relay blocks.
Install Tips: Disconnect power, pull the old relay straight up, seat the new relay fully. Match the molded OE number on your original relay.
Notes: Listing uses compatibility-based wording only; brand/model names are shown with “Compatible with”. No affiliation or sponsorship implied.
*Actual function depends on the socket position assigned by the vehicle's fuse/relay diagram.
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