Spn-876 compressor clutch circuit

SPN-641 9 Engine Variable Geometry Turbocharger Actuator #1 Engine 1 Jun 24, 5:06 PM Jun 24, 5:06 PM Intermittent Closed SPN-876 1 Compressor Clutch Circuit Passenger Operator Climate Control 1 Jun 24, 9:52 AM Jun 24, 9:52 AM Intermittent Closed SPN-523318 7 Passenger Operator Climate Control 1 Jun 18, 12:18 …

User manual. DIAGNOSTIC REPORT. Languages. View Add to my manuals 3 Pages. advertisement. Scroll to page 2 of 3. September 21, 2014 8:29 am Page 1 of 3 VIN: 1FUNGEDR79LAL5987 Manufacturer: Freightliner Model Year: 2009 DIAGNOSTIC REPORT Vehicle Components Component Description Serial Number Software Version Network Engine Detroit DD13/DD15 ... Air compressors made by the Wayne Company have been around for years, and they are still a favorite of the various industries, like car maintenance, that make extensive use of air ...Relieve the tension on the serpentine belt tensioner and take the belt off. Remove any components that are in the way of the AC compressor. Most parts can be removed with a socket set. Disconnect the lines from the compressor. Jam a piece of cloth into the lines to keep them sealed and protected.2010 Freightliner Cascadia with a Detroit DD13 in it. Getting code for SA 25 SPN 876 FMI 1 Compressor Clutch Circuit Passenger-Operator Climate Control #1 Data Valid But Below Normal OperationalAC is … read moreISM CM876 (2007-2009) ISM CM876 (2007-2009) Coolant Temperature Return. Buy now. CUMMINS ISM CM876 (2007-2009) Electrical Circuit Diagram PDF. With Instant Download.Thanks for the update. That fall code is directly related to your AC compressor clutch problem. The ground comes from and through the ECM and controllers. The controllers will connect ground through its inputs and outputs even for fan functions as well taking the place of a relay in the circuit in a lot of cases.At the compressor’s front side, unplug the single wire connector, take a jumper wire and attach it to the wire that you just disconnected from the compressor. Connect the other end of the jumper’s wire to the positive terminal of the car battery. This will enable the compressor to start manually. Q.What if there was no actuation of the clutch at all? Then a technician has to start with fuses and the control side to validate that its working correctly. N...

¤ If the clutch does not engage refer to A/C compressor clutch Circuit/System Testing. Ignition OFF, disconnect the harness connector at the A/C low pressure switch. ... Compressor Clutch Plate/Hub Assembly Replacement (4.3L, 6.6L) Compressor Clutch Plate/Hub Assembly Replacement (V8 - Gas) Ron Nielson 2008 2500HD LT CCLB/Ally. Line-X, B&W ...SPN 524033 FMI 31 count 1 5. SPN 876 FMI11 count 126 6. SPN522006 FMI 3 count 58 7. ... 522006 is also for your AC compressor clutch circuit. Either a faulty clutch ...Compressor Clutch Control Circuit From Bob Pattengale. Looking at the graph the compressor clutch has a unique relay, it has a compressor control relay that operates in a variety of ways depending upon the application. From the two fuses, one is controlling the coil in the relay (using a 10 amp fuse) that feeds from the relay.A/C AC Compressor W/Clutch For Freightliner Argosy B2 Business Class M2 Cascadia (Fits: Freightliner Cascadia) Brand New. $97.19. Was: $107.99. Free shipping. or Best Offer. A/C Compressor fits Freightliner Cascadia, Century Class, Columbia, Coronado.. (Fits: Freightliner Cascadia) USA SELLER - ITEMS SHIPPED WITHIN 24HRS.Getting code for SA 25 SPN 876 FMI 1. Compressor Clutch Circuit. Passenger-Operator Climate Control #1. Data Valid But Below Normal OperationalAC is …He wants to just increase the size of the breaker. NEC 2008 Table 430.248 tells me a 5 HP motor draws 28 amps Table 430.52 tells me the max Short-Circuit protection is 250% of 28 amps or 70 amps max breaker Table 310.16 tells me #12 can handle 25 - 30 amps depending on the insulation. I know I can size the breaker more that the current carrying ...P0740 is one of the most common transmission trouble codes. It means that the CR-V's computer has detected that there is an issue with the torque converter clutch (TCC) solenoid circuit.. P0740: Torque Converter Clutch Circuit Malfunction . The TCC "locks" the drivetrain, which allows for a true mechanical connection between the transmission and the engine. In effect, this allows an ...

WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ...Here are 10 easy steps for Sullair 185 air compressor troubleshooting: Step 1. Check Power Source: Ensure the power source is properly connected and supplying the correct voltage. Step 2. Inspect Air Filter: A blocked air filter can prevent the compressor from building pressure. Step 3.9 INSPECT MAGNETIC CLUTCH (a) Measure the resistance according to the value(s) in the table below. Standard resistance (b) When connector terminal A1 is connected to the positive (+) battery terminal, check that the following occurs: 1) the magnetic clutch's operating sound can be heard, and 2) the magnetic clutch's hub and rotor lock.You can check the fuse of your car's AC compressor if it is working or not by using a multimeter. Turn the engine off first before removing the fuse for the AC compressor. Check if both ends are still electrically connected with a multimeter or other devices. If it is still working, then you can look for other possible causes of your AC ... FAULT CODES ON 2008 FREIGHTLINER CASCADIA AC SYSTEM SPN 876 FMI2 /523318 FMI2 /523330 FMI 4/ 522116 FMI 2/ 647 FMI 5/ 1071 FMI 5. Posted by JODY CHAPMAN on May 26, 2017. SOURCE: 2011 freightliner Cascadia with DD15. Fault code. BEFORE CONTECT ME DONT WORRY ABOUT IT 03452663007. SOURCE: 2010 freightliner cascadia with abs code SAE 254. the abs ...

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Now it is throwing spn 1552 fmi 2 and spn 876 fmi 5. Technician: ... clutch coil open circuit, compressor also not getting power. in a CAT CT630 truck. Does the system require the resistance from the coil to energise the power supply to compressor. Caterpillar AC compr ...A/C Compressor Clutch not engaging. 8020C7: Compressor clutch: line interruption or short circuit to positive. That's the code I got in Bimmerlink. Was driving for about 10 minutes then my A/C just started blowing hot air. Spindle is spinning free but the clutch isn't engaging now on it. Checked the low pressure on the A/c system it's good.Engine Timing Actuator Circuit - shorted high X 2 114 (Yellow) S020 4 635 4 Engine Timing Actuator Circuit - shorted low X 115 (Red) ... SPN FMI DESCRIPTION QSB QSC QSL9 QSM1 1 QSX1 5 QSK19 QSK23 QS T 30 QSK45 QSK60 QSK78 HHP Level Number (**) ... Fan Clutch Circuit - shorted low X X X X X 252 (Yellow) P098 2 098 2 Engine Oil Level #1 Sensor ...After inspecting the belt, there can only be two things left that could be happening: 1. The clutch is not getting a signal to turn on. This indicates some form of wiring problem. -or-. 2. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. 2.I double checked all the OE relays with the symbols on the inner cover of the fuse box, the OE relays for the AC compressor clutch, AC condenser blower motor and engine coolant blower motor are the same type. At least appear to be the same type from the brand and model number (Omron G8HL-H71).

Code P0645 Chevrolet Description. When the Air Conditioning (A/C) switch is pressed, the Heating, Ventilation, and Air Conditioning (HVAC) control module sends an A/C request message to the Engine Control Module via serial data.The ECM then grounds the A/C compressor clutch relay coil control circuit, closing the relay contacts. The closed relay contacts provide voltage to the compressor ...Normally closed is just that, normally closed. When the relay is off, 30 and 87a are jumpered. Putting ground to 85 would connect 30 to 87, and turn your A/C *off*. Pull the relay and make sure you have continuity between 30 and 87a, if not the relay is bad, if so the problem is somewhere else.Murray Climate Control 2 Terminal A/C Compressor Clutch - 47362. Part #: 47362. Line: MRY. Check Vehicle Fit. A/C Compressor Clutch New; With 10S17F Compressor; Serpentine Belt; With 4.3 Inch Diameter Pulley. This product has restrictions regarding its warranty. Color: Black.Here are the 12 possible faults for SPN 641. The most likely faults and a some brief possible causes are: 2387: Possible boost leak, faulty turbocharger, plugged air filter, plugged DPF, faulty VGT actuator, etc. 1894/2198: Possible intermittent power/ground supply to the VGT actuator, faulty VGT actuator. Ask Your Own Medium and Heavy Trucks ...Rick_L. 40114 posts · Joined 2007. #4 · Apr 30, 2011. The correct way to wire the fan for a/c operation is to use a "trinary switch" which is available from VA. Your basic VA system uses a "binary switch". This shuts off the compressor if the the high side a/c pressure is too low or too high.RIMOWA is now so much more than just timeless, stylish luggage. Here are some of the brand's most exciting products in 2020. I’m relatively practical in most aspects of life, but a...19555 posts · Joined 2008. #2 · Aug 2, 2017. One wire should come from the A/C compressor relay 'on' contact and the other wire goes to ground. Allpar's mission statement: A forum community dedicated to Dodge, Jeep, Ram, Chrysler, AMC owners and enthusiasts. Come join the discussion about performance, modifications, classifieds ...What are SPN and FMI codes? FMIs are used in conjunction with SPNs to provide specific information that pertains to a Diagnostic Trouble Code (DTC). ... 6 Circuit Freon Compressor Control CLUTCH CIRCUIT Clutch Cir 7 Air Conditioner Radiator Thermostat Circuit Tstat Cir MID 219 VORAD Radar Subsystem Codes. 1 Front Antenna 2 Electronics Antennas ...Compressor Clutch Circuit: Conditions: No Ground to Relay Control: Message Closed w/FIX. Vehicle Data 2004 Honda Civic Hybrid. VIN: JHMES96634 : Engine: 1.3 L / 4 cyl / ELECTRIC/GAS: Trans: 4-speed Automatic (Electronic) Delivery: FI: Affected: Compressor Clutch Circuit: Conditions: No Ground to Relay Control:

You will see that teh ac compressor clutch is always hot. (SORTA) It's tied in to a fuse that goes to the battery. BUT, the ac relay is the off/on for the power. And what turns the ac relay off/on. Is the engine control ignition relay. Which is wired in to the engine control module. Either your ac relay is stuck on.

FM radio stations in West Nusa Tenggara (frequencies in MHz) 87.6 MHz. PT. Radio Veni Vidi Vici (Radio Insania FM) Jalan KH. Ahmad Dahlan no 1. Pasgesangan Subdistrict {Kelurahan Pasgesangan} Mataram District {Kecamatan Mataram} MATARAM CITY 83115 {Kota Mataram}By just looking at the clutch on the El Camino the gap appeared large, and a feeler gauge confirmed it. In the case of the El Camino, adjusting the compressor clutch air gap was all that was needed to correct the problem. With the Caprice, the clutch adjustment was checked with feeler gauges and .028” fit well as seen in Photo 7.An extension harness between the main engine harness and the turbocharger compressor inlet temperature sensor may be used depending on the turbocharger arrangement. FAULT CODE 692 Turbocharger Number 1 Compressor Inlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source CODE REASON EFFECT Fault Code: 692 PID: SPN: 1172FMI 5 – Current Below Normal or Open Circuit: CRS1 open circuit for 2 seconds. FMI 6 – Current Above Normal or Shorted Circuit: CRS1 commanded on and shorted to ground. FMI 7 – Mechanical System Not Responding: The LCA Position Sensor reports the clutch is released while the clutch control system is attempting to engage the clutch.HVAC Compressor Clutch Circuit How to test and diagnose the A/C compressor clutch circuit. Explains the HVAC electro-magnetic clutch circuitry, how it is connected to the ECM, what controls it and ...SKÅNES FAGERHULT, Sweden, May 15, 2020 /PRNewswire/ -- Concentric AB has been awarded a contract to supply its new Dual Cone Clutch (DCC) to a Tie... SKÅNES FAGERHULT, Sweden, May ...

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Use the power and grounds from the alternator and hook up to the clutch. At least then you know your clutch I's ok. Then turn ac on the check voltage on the harness side.76. 21. May 19, 2016. 0. Hey Gents, My AC compressor clutch is not kicking in. I purchased a throw away recharge kit from Walmart, thinking maybe I was low on freon, but not, system fully charged. Checked the fuses in the SAM Chasis inside the cab, also went looking at the relay covers in the engine bay compartment; one on the firewall and ...Acc usage demand spn-5023 constant . Adaptive cruise control mode spn 1590 constant. Driver activation demand for Advanced Emergency Braking System Fault Code: SPN-5681Constant. Compressor Clutch Circuit Fault Code: SPN-876 Intermittent. Engine Crankcase Breather Oil Separator Speed Fault Code: SPN-5444 Intermittent.Parameter Codes (PID) 51 - 63. 51 Position of the throttle pedal - THROTTLE POS - Throttle Pos. 52 Intercooler Temperature - INTERCLR TEMP - Intercool TEMP. 53 Synchronizer clutch - SYNCRO CLUTCH - Synchro Clutch. 54 Synchronizer Brake - SYNCRO BRAKE - Synchro Brake. 55 Position of the Control Shift Finger - SHFT FNGR POS - Shift FNGR Pos.The HEVAC sends it's power via the connector you have found in the footwell to the fusebox where it operates Relay 3. Power from F27 is on one switch pin of this relay so when the relay is operated power flows to the Trinary switch and out to the compressor. Check that the relay is fitted and operating.If both are good, run a jumper wire from the positive side of the battery to the light blue wire on the a/c compressor clutch. There is a Low/High Pressure switch and it will not allow the compressor to engage if the pressure is too low or too high. you should get a static pressure reading regardless if the compressor is running or not and it ...876-6- Compressor Clutch Circuit 6 HVAC Compressor Clutch Engagement Overcurrent ,Short to Ground or Overload in HVAC AC Compressor Clutch Circuit. If you measure your clutch at the connector between the 2 pins , with an ohmeter , it should measure between 3 to 4 ohms . Also if you touch one lead to one pin and the other lead of meter to the ...If your reading is less than 2.0 ohms: This could indicate a short circuit in the coil, which would blow the compressor clutch coil fuse. A reading of 0.L indicates an opening in the clutch coil windings. This could indicate an open circuit in the coil, which would prevent any current from flowing and prevent the clutch from engaging.SPN 1067 FMI 7 and 11 SPN 1045 FMI 2 . sully91, Jan 25, 2020. sully91, Jan 25, 2020 #1. Trucking Jobs in 30 seconds. Every month 400 people find a job with the help of TruckersReport. Zip. Class A CDL Experience. Please select ALL of your current, valid driver's licenses. CDL A CDL B ... ….

ELECTRICA L CIRCUI T DIAGRA M MANUAL 0000017581 Electrica l Circui t Diagrams Revisio n 1 Jul y 2015 Electrical Circuit Diagrams 3200 4100 4200 4300 4400 7300 Navistar, Inc.stroker ace said: Check ebay. They are usually around $50 for the clutch kit. Sounds like a bad compressor. Yeah I did some research and found it on eBay as well, hopefully the dealership with just warranty it since the clutch only comes attached to the compressor from subaru.The Fuel Pressure Relief Valve (PRV) on heavy equipment and generators is usually found on the high-pressure pump or on the common rail. This pressure relief valve is responsible for regulating the fuel pressure in the fuel rail. Common rail injections systems run anywhere between 23,000 to 29,000 PSI - if fuel pressure rises above this the Fuel Pressure Relief Valve will open to allow that ...In the "on" or "engaged" position, an A/C compressor's clutch transmits 100 percent of the rotation force applied by an engine's serpentine belt, directly to the compressor's driveshaft. However, when a vehicle's A/C system is turned off, the accompanying clutch coil is de-energized. In turn, the A/C system clutch disengages.Summary of Contents for freightliner MT45 2019. Page 1 Service Manual 2019 Morgan Olson Body 2019 Freightliner MT45 Chassis DRAFT 1.800.233.4823 WWW.MORGANOLSON.COM... Page 2 NOTE: USE ONLY GENUINE MORGAN OLSON PARTS USE OF NON OEM PARTS MAY VOID YOUR WARRANTY AND/OR VIOLATE …Power to the clutch is sent from the body controller. The body controller is monitoring for inputs from the driver controls, temperature thermistors and a/c high pressure switch. To power the clutch the body controller must see an input from the driver controls, thermistors must be 28 degree F or higher.Power to the clutch is sent from the body controller. The body controller is monitoring for inputs from the driver controls, temperature thermistors and a/c high pressure switch. To power the clutch the body controller must see an input from the driver controls, thermistors must be 28 degree F or higher.This short to ground would cause the A/C clutch to stay engaged whenever the circuit is powered. If the circuit were open at point D of this diagram, the A/C clutch wouldn't engage. This open is probably a break in the wire or the connector/pin leading from the relay to the PCM. If there were an intermittent condition where the clutch works one ... Spn-876 compressor clutch circuit, SPN: 1188 FMI: 3/3 Lamp: Amber REASON: High voltage detected at the wastegate actuator number 1 circuit. EFFECT: Engine power derate. Circuit Description: The wastegate actuators are devices used by the Engine Control Module(ECM) to control boost pressure. Component Location: The wastegate controller is located on the air inlet horn., Power to the clutch is sent from the body controller. The body controller is monitoring for inputs from the driver controls, temperature thermistors and a/c high pressure switch. To power the clutch the body controller must see an input from the driver controls, thermistors must be 28 degree F or higher., Circuit Basics - Circuit basics is the idea that a circuit acts as a path for electrical currents to flow through. Learn more about other circuit basics in this section. Advertisem..., A/C Compressor Clutch not engaging. 8020C7: Compressor clutch: line interruption or short circuit to positive. That’s the code I got in Bimmerlink. Was driving for about 10 minutes then my A/C just started blowing hot air. Spindle is spinning free but the clutch isn’t engaging now on it. Checked the low pressure on the A/c system it’s good., Now, start your car, turn on the AC, and observe the gauge readings. For most systems, a normal low-side reading will fall between 25 and 40 psi, while the high-side will range from 200 to 350 psi. If the readings are significantly higher, it may indicate an overcharge., If you do get an engage and the power probe does not kick out, then one of the plugs on the circuit had a pin vibrate loose. Most times you will find the clutch is burned up. Here is the manufactirer info below for the fault. A/C Compress or clutch - Current below normal, or open circuitPrint. ECM: Freightliner - SAM Cab. Fault: SPN 522006 FMI ..., That fault SA 25 spn 876 is for your compressor clutch. The clutch on your AC compressor has a return voltage too low. I recommend either replacing the clutch or the whole AC compressor. Sometimes the wire harness will cause the low voltage, but it is more common to have the clutch burn out behind the locking plate on those Cascadia trucks., Circuit #2 operate the clutch. Circuit #1, place your finger on the relay as someone turn the AC button on and off. If you feel the relay operate that circuit is ok. Circuit #2, the relay contacts close a circuit to the AC clutch coil. If circuit 1 seems ok, look at #2., My Freightliner is making a loud high pitch whining noise. I show SPN-876 1 Compressor Clutch Circuit ... I just greased the transmission and clutch grease zirks along with rest of truck. Now when I go down road there is a whining noise, when I press clutch pedal whining goes away., , Note that code P0744 rarely indicates a faulty transmission, or a general failure of mechanical components in the transmission or torque converter. However, depending on the exact nature of the electrical problem in the control circuit of the torque converter lockup clutch, this code can sometimes cause a variety of transmission and lockup ..., FAULT CODES ON 2008 FREIGHTLINER CASCADIA AC SYSTEM SPN 876 FMI2 /523318 FMI2 /523330 FMI 4/ 522116 FMI 2/ 647 FMI 5/ 1071 FMI 5. Posted by JODY CHAPMAN on May 26, 2017. SOURCE: 2011 freightliner Cascadia with DD15. Fault code. BEFORE CONTECT ME DONT WORRY ABOUT IT 03452663007. SOURCE: 2010 freightliner cascadia with abs code SAE 254. the abs ... , Now, start your car, turn on the AC, and observe the gauge readings. For most systems, a normal low-side reading will fall between 25 and 40 psi, while the high-side will range from 200 to 350 psi. If the readings are significantly higher, it may indicate an overcharge., City of Raceland, KY 711 Chinn Street Raceland, KY 41169 Tel: (606) 836-4522 Fax: (606) 836-7161, Looking for a/c compressor electrical circuit diagram on 12'. Looking for a/c compressor electrical circuit diagram on 12' Freightliner CascadiaVin # 1FUJGHDV2CLBE0887A/c not blowing and have spn # 522006 code for a/c compressor clutch voltage above ormal or shorted to high. Answered in 2 hours by:, Depending on what you get, it will point to what the problem is. For the AC Clutch it will be one of: a bad clutch, or a bad power wire or a bad ground or a bad heater module. If the problem is the AC Compressor values, then it could be a bad compressor, bad PCM, bad PDC or power / ground wiring. Jan 2, 2021., 3030 - Transmission Torque Converter Ratio. 3031 - Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature. 3032 - Right Brake Pedal Position. 3033 - Left Brake Pedal Position. 3034 - DM22 Contr. users. Hello, Here is description of codes of SAE J1939 Main codes can be with any value + FMI state. FMI SAE Text 0 Data valid but above …, Cows are one of the ruminant animals and farm animals that have a higher economic value compared to other livestock such as chickens, goats, buffalo and others, so many people build cattle farming businesses. In this case, the health of farm animals, IMG_20230831_115032.jpg Any answers Also should the white and black wire for compressor clutch have continuity between them ? Does that point to a clutch failure ? ... Can someone send me fuse location along with diagram for ac clutch circuit. ... I have fault code 545 25 spn 876. 2013 freightliner cascadia., compressor clutch circuit number 876 dated valid but below normal operation range replace the compressor expansion valve and dryer charged it still ... I have a 2009 freightliner Cascadia that the ac compressor won't come on . the compressor and clutch is new and system is full of Freon . there 4 active codes . sid 254 fmi 5 ,spn …, He wants to just increase the size of the breaker. NEC 2008 Table 430.248 tells me a 5 HP motor draws 28 amps Table 430.52 tells me the max Short-Circuit protection is 250% of 28 amps or 70 amps max breaker Table 310.16 tells me #12 can handle 25 - 30 amps depending on the insulation. I know I can size the breaker more that the current carrying ..., SPN1172 FMI4 (Turbocharger 1 Compressor Inlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source.) Fault Code 692. ISC and ISL with CM2150 - Turbocharger Compressor Inlet Air Temperature Sensor Circuit. CODES: Fault Code: 692. PID (P), SID (S): P351. SPN: 1172. FMI: 4/4. Lamp: AMBER., 2012 kenworth t680 Hvac - A/C clutch control circuit wiring diagram - Answered by a verified Technician ... And show this code Spn 876 fmi 5 ... 2016 kenworth t370 Vin ***** A/c compressor not. 2016 kenworth t370 Vin *****A/c compressor not getting 12 volts to engage a/c clutch. A/c low and high ..., A/C Compressor Clutch not engaging. 8020C7: Compressor clutch: line interruption or short circuit to positive. That’s the code I got in Bimmerlink. Was driving for about 10 minutes then my A/C just started blowing hot air. Spindle is spinning free but the clutch isn’t engaging now on it. Checked the low pressure on the A/c system it’s good., THESE ARE THE CODES. SPN-876 1 Compressor Clutch Circuit. SPN-3719 0 Aftertreatment 1 Diesel Particulate Filter Soot Load Percent. SPN-3464 16 Engine Throttle Actuator 1 Control Command. SPN-3242 3 Aftertreatment 1 Diesel Particulate Filter Intake Temperature. SPN-3250 3 Aftertreatment 1 Diesel Particulate Filter Intermediate …, The P0740 code means that your transmission control module, the computer tasked with controlling your automatic transmission, has registered a problem with the torque converter clutch circuit. In other words, your torque converter is not functioning normally, and the cause is most likely a mechanical issue of some sort., The average cost for an AC Compressor Clutch Replacement is between $596 and $648. Labor costs are estimated between $187 and $236 while parts are priced between $409 and $412. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed. For a more accurate estimate based on your ..., Circuit Description The air conditioner clutch solenoid is a device used by the electronic control module (ECM) to control the air conditioner by sending a ... (1990-94) Fault Code: 191 PID: 50 SPN: 876 FMI: 11 Air Conditioner Clutch Supply Circuit" Cancel reply. Your email address will not be published. Required fields are marked * Your ..., InvestorPlace - Stock Market News, Stock Advice & Trading Tips Today’s been a rather incredible day in the stock market. Some are callin... InvestorPlace - Stock Market N..., This fault is telling you that the voltage on the HVAC compressor clutch is low. This can be caused by a rubbed through wire, a plug with corrosion in it, or the more common is the HVAC clutch on the compressor is going out. If you can get someone to look at that clutch, you will want to do it sooner than later., SPN-641 9 Engine Variable Geometry Turbocharger Actuator #1 Engine 1 Jun 24, 5:06 PM Jun 24, 5:06 PM Intermittent Closed SPN-876 1 Compressor Clutch Circuit Passenger Operator Climate Control 1 Jun 24, 9:52 AM Jun 24, 9:52 AM Intermittent Closed SPN-523318 7 Passenger Operator Climate Control 1 Jun 18, 12:18 PM Jun 18, 12:18 PM Intermittent Closed SPN-3360 9 Aftertreatment 1 Diesel Exhaust ..., 2010 Freightliner Cascadia with a Detroit DD13 in it. Getting code for SA 25 SPN 876 FMI 1 Compressor Clutch Circuit Passenger-Operator Climate Control #1 Data Valid But Below Normal OperationalAC is … read more, One way to check the diode polarity is to use a meter on the ohms scale. Unplug the compressor clutch from the wiring. Put the meter on rx1 scale. Put the red lead to one wire and the black lead to the other. You should read a low ohm reading, or you should get a very high or no reading.