Pcm power relay

May 7, 2011 ... The car has been running fine until yesterday when it died without warning on the highway. It would turn over and act like it wanted to start, ...

Pcm power relay. Accessory Power Relay. Fuel Pump Relay. Powertrain Control Module (PCM) Relay. 2010 Volkswagen Golf. Genuine Volkswagen Part - 191906383C (191-906-383-C, …

A bad PCM, or power train control module, has a check engine light that does not turn off, an assortment of random codes, intermediate stalling issues and poor engine performance. ...

Fuel pump relay: R5 : Horn relay: R6 : PCM power relay . Power distribution box 1999-2003 Ford F150. Fuse box diagram (1999 model year). Assignment of the fuses (1999). Fuse/Relay. Location. Fuse Amp Rating. Description. 1. 25A * Power Point. 2. 30A* Powertrain Control Module. 3. 30A* Headlamps/Autolamps. 4. 15 A*. Air Suspension. 5.Does your vehicle not run or stall? The first thing to check is the ECM Battery fuse located in the power distribution center. In this video we show you how!...A PCM relay is an electromechanical switch crucial in modern vehicles, controlling the power supply to the Powertrain Control Module (PCM). This relay is …P2510 is a diagnostic trouble code (DTC) for "ECM/PCM Power Relay Sense Circuit Range/Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light …Import Direct Ignition 20 Amp 4 Terminal Multi-Purpose Relay - 25-0183. Shop for the best Powertrain Control Module Relay for your vehicle, and you can place your order online …PCM Power Relay. Relay . 31: Blower Motor Relay. Relay . 32: Two Speed Fuel Pump Relay [Gasoline only], Injector Driver Module Power Relay [Diesel only] Relay . 33: Washer Pump Relay. Relay . 34: Windshield Wiper Park/Run Relay. Relay . 35: Windshield Wiper HI/LO Relay. Diode ATO . 37: PCM Relay Diode. Relay . 38: Trailer Tow Backup Lamp …Ford E-Series (1998-2001) fuses and relays. In this article, we consider the fourth-generation Ford E-Series / Econoline (first refresh), produced from 1998 to 2001. Here you will find fuse box diagrams of Ford E-Series …

Chevrolet’s 4.3-liter Vortec V-6 engines incorporated one or two knock sensors. These sensors detected incorrect fuel-air mixture combustion in the cylinder. The knock sensor relay...30A Windshield Wiper Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay: 17: 25A Cigar Lighter, Data Link Connector (DLC; 2000) 18: 15A Driver’s Unlock Relay, All-Unlock Relay, All-Lock Relay: 19: 25A PCM Power Diode, Ignition, PATS: 20: 7,5A RAP Module, Generic Electronic Module (GEM), Radio: 21: 15A Flasher (Hazard) 22: 20A Auxiliary Power ...3. Test the PCM Power Relay. If your Pilot won’t start and the relay is getting both power from the battery line and the keyed power (with a solid ground), it’s time to suspect the PCM power relay itself. Here’s a good video on how to test a relay. It’ll also give you a basic understanding of how they work if you’re having trouble ...Jan 7, 2016 · A bad PCM-power relay may cause the vehicle to crank, but not start, or sometimes not even crank at all. 3. Battery Drain or Dead Battery. The final bad ECM relay symptom is a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the ... A transmission relay is usually located in the power distribution box under the hood on the driver’s side of the vehicle. It is responsible for sending signals to the transmission ...

In the 2000 Ford F-150, the PCM fuse and relay are located in two separate fuse boxes. In the under-dash fuse box, you’ll find fuse number 2, 20 and 30, which is assigned for the PCM power fuse. In the under-hood fuse box, there is a specific fuse labeled as fuse number 18 is designated for the PCM. Additionally, Relay 304 is assigned to the ...P2510 is a diagnostic trouble code (DTC) for "ECM/PCM Power Relay Sense Circuit Range/Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic ...Forum Jump. 1994.5 - 1997 7.3L Power Stroke Diesel - 97 pcm/idm relays - 1FTJW35F3VEB03215 97 7.3 manual F-350 anyone know the wire identification for the IDM and PCM relays? Also a dumb question but do you look at the diagram on the side or the numbers stamped beside each of the relay contacts? Because the diagrams of the ones I...’04: PCM 4×4 power: 10 ’05-’07: Battery feed for overhead power point: 10 ’08: Power rail: 21: 15: Cluster keep alive power: 22: 10: Delayed accessory power for audio, power door lock switch and moonroof switch illumination: 23: 10: RH low beam headlamp: 24: 15: Battery saver power for demand lamps, Flex fuel (’08) 25: 10: LH low ...

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P0690 Code: ECM/PCM Power Relay Circuit High. P0683 Code: Glow Plug Control Module to PCM Communication Circuit. P0689 Code: ECM/PCM Power Relay Sensor Circuit Low. P2509 Code: PCM Power Input Signal Intermittent. File Under : Maintenance, DIY Tagged With : engine-control-module. Subscribe. Notify of This can indicate a problem with the relay or its circuit. Possible causes of the P0688 code include a defective PCM power relay, a faulty PCM, and a blown fuse or fusible link. Some symptoms of the P0688 code include an illuminated check engine light, the vehicle refusing to start, and the vehicle stalling. Jul 29, 2011 ... Pin 8 from the PCM sends power to the fuel pump relay. We are using a volt/ohm meter. We tested contentuited etc at the wire. We removed the ...The P068A trouble code stands for “ECM/PCM Power Relay De-Energized Performance – Too Early.” This is an uncommon code, and it doesn’t appear on many …VW GOLF No No Start ,Crank mk6 mk7 ecu problems emc pcm power relay p0685 17069ECM Power Relay Control J271 Magnet Marelli 4HV IMMO fix repair cloning 0131...Fuel pump testing at the CCRM: Pin 5 is output power to the pump. Pin 11 is battery power to the FP relay. Pin 13 is ignition input to energize the relay. Pin 18 should show ground when the pump is on. Testing here needs to be careful since the ground pulse to the relay goes away after the Prime-out. Good luck.

The P068A trouble code stands for “ECM/PCM Power Relay De-Energized Performance – Too Early.” This is an uncommon code, and it doesn’t appear on many …New to the forum, and excited to be here! I have a 2008 F350 (6.4 model) and cannot connect with the PCM via scanner. Through troubleshooting, I have discovered the PCM is also not powering on (Relay 53 not getting close signal) If I jump Relay 53, the TCM powers on but this tells me I'm not getting a signal from the PCM to activate this relay.If you own a home or business that relies on a boiler system for heating, you know how important it is to have a reliable and efficient setup. One crucial component of any boiler s...Trouble code P068A is defined as ECM/PCM power relay de-energized too early. This code is a generic fault code, meaning it applies to all vehicles equipped with an OBD-II system, especially vehicles manufactured from 1996 to present. Some of the more common brands that have this code include Audi, Cadillac, Chevrolet, Dodge, Ford, Jeep ... The fifth wire is the power relay sense circuit. It is used by the PCM to monitor power relay voltage. If the PCM detects a low voltage condition on the power relay sense circuit, a code P0689 will be stored and a malfunction indicator lamp (MIL) may be illuminated. A typical PCM powertrain control module, opened up: Jun 11, 2008 ... I did find something about the PCM relay. If it were bad, it'd trip the PCM power fuse? If this is the case, I'll replace the relay, replace ... Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · [email protected]. Read FAQ. GET A QUOTE. Chevrolet Silverado 1500 ECM-Power Relay Replacement costs starting from $117. The parts and labor required for this service are ... Circuit 361 for IDM Relay coil Circuit 361 for PCM Power at pin 97 Circuit 361 for PCM Power at pin71 Circuit 361 to Connector 138 (C138, 42-pin connector near the UH fusebox), then changes to circuit 552 for IPR power. Location for S157 states it is in the Engine control sensor harness, near T/O (take out) to PCM. I would see if there is power ...Standard Ignition 30 Amp 5 Terminal Multi-Function Relay - RY30. Part #: RY30. Line: STD. Check Vehicle Fit. Powertrain Control Module (Pcm) Relay. Limited Lifetime Warranty. Terminal Type: Blade.The popular idiom says the squeaky wheel gets the grease, but if you really want to increase the potency of your voice, silence can be a powerful tool. Entrepreneur Daniel Tenner e...FORD MUSTANG POWERTRAIN CONTROL MODULE RELAY LOCATION REPLACEMENT 2015 2016 2017 2018 2019 2020 2021 2022 2023If you need to replace Powertrain Control Modul...In other words, your Accord’s PCM doesn’t receive power from the PCM relay control circuit. This results in the check engine light turning on and the P0685 code being stored in the PCM’s memory. Power Relay Control Circuit. Power is provided to the PCM by the relay circuit when the ignition is turned on.

PCM Relay Coil, Ignition Coil (Gasoline only), Fuel Heater (Diesel only), Wastegate Solenoid (Diesel only), Injector Driver Module Relay Coil (Diesel only) 31 — Not Used: Relay 1 — Interior Lamp Relay: Relay 2 — Batteiy Saver Relay: Relay 3 — Rear Defroster: Relay 4 — Power Window One Touch Down Relay: Relay 5 — Accessory Delay Relay

Pull the PCM Power Relay from the Battery Junction Box and set it aside. Pull the Blower Motor Relay from the Battery Junction box and insert the pulled relay into the PCM Power Relay position. Reconnect the battery cable. Turn the ignition key to On and see if "CHECK ENGINE" is illuminated. 7.In the world of logistics and transportation, efficiency is key. Shippers and carriers are constantly looking for ways to streamline their operations and maximize productivity. One...Avalanche forward Valeri Nichushkin was placed in Stage 3 of the NHL/NHLPA player assistance program and suspended for a minimum of six months without pay for …Ford Mechanic: Ricardo Hohl. yes there are two powers both are battery powers there is one ground provided by the computer and this ground has to turn of when you turn the key to off position. Ask Your Own Ford Question. with the relay out the ground goes away, i am going to check to see if it goes away with the relay in, chances are it wont ...Ford Ranger Fuses and Relays Diagram (1998 – 2000) by Car GuruDecember 22, 2020. 4208 4018 3. 1. Here you will find Fuses and Relays diagrams for the Ford Ranger of 1998, 1999 and 2000 production years. Information about the location of the fuse panels inside the car and the purpose of each fuse and relay.May 8, 2013 · Fuel pump relay should have 4 wires. 1. Tan/green or Blue/orange is the PCM control wire, only a ground for a few seconds after key is turned on, from pin22 on PCM. 2. Red is power usually from from the EEC power relay (key on) 3. Brown or Green/orange is wire to inertia switch (then fuel pump) 4. Jul 26, 2013 · 02 7.3 PCM not responding. currently working on a 2002 f250 with a 7.3 in it. customer was driving down the road and truck shut off and will not start since, crank but no start. has edge evolution installed in it and chip says pcm not responding, so unplugged that and hooked up scan tool and still no pcm connection. so made sure there was power ... P0686 is a diagnostic trouble code (DTC) for "ECM/PCM Power Relay Control Circuit Low". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 .

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DTC P2510 stands for “ECM/PCM Power Relay Sense Circuit Range/Performance,” and it’s logged when the vehicle exhibits signs of a no-start or hard starting condition. Code …Jul 6, 2021 · PCM Power Diode (which, when power is applied, energizes the PCM Power Relay which then supplies power to the parallel fuses F18, F23, and F24. You have an open circuit on the load side of F30. Start by inspecting the fuse's finger contacts for damage or corrosion. Continue on down the line until the open is found so you can fix it. The power side of the PCM and IDM relay control coils is fed thru fuse 30 which is hot with the key on. If you want to check the ignition switch, turn the key to run and check continuity between terminal B5 and I1. The I1 terminal is the output to the hot in run circuit that feeds fuse #30 thru a red/black wire.What Does Code P068A Mean? OBD II fault code P068A is a generic trouble code that is defined as “ECM/PCM Power Relay De-Energized Performance – Too Early”, and is set when the PCM (Powertrain Control Module) detects an improper de-energizing procedure for the relay that supplies it with power. While modern automotive control modules such ...Fuse Layout Ford Escape 2013-2019. Cigar lighter (power outlet) fuses are the fuse F61 (Cigar lighter, Power point) in the Instrument panel fuse box, fuses F15 (Front cigar lighter / Power outlet), F17 (Rear power outlet, if … On this episode of Fear No Fix, Chris and ChrisFix team up to diagnose a PCM Relay issue and replace it in a 5.4L Ford F-150 (model years 2004-2008).Symptoms... DTC P2510 stands for “ECM/PCM Power Relay Sense Circuit Range/Performance,” and it’s logged when the vehicle exhibits signs of a no-start or hard starting condition. Code P2510 is usually caused by PCM relay failure, wiring issues, and in rare cases, PCM failure. The most common symptoms of P2510 include a lit check engine light, no-start ... A: Powertrain Control Module (PCM) Power Relay A: Introduction Yes No GO to A2 . GO to A3 . Yes No GO to A3 . REPAIR as necessary. REFER to the Workshop Manual Section 414-00, Charging System. CLEAR the DTCs. REPEAT the self-test. Yes No GO to A4 . INSTALL a new PCM Power Relay. CLEAR the DTCs. REPEAT the self-test. Powertrain Control Module ... ….

To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Notice. Before replacing fuses check that the key has been removed from the ignition and that all the services …The sense circuit lets the PCM monitor the voltage at the PCM power relay. When your Chrysler 200 has P0688, it has detected an open circuit. If there is an open detected between the PCM and the PCM power relay, you’d have P0685. An open circuit is a circuit that has not been completed. It means that no power is flowing through the PCM power ...PCM power relay, PDB fuse 27: 10: 60: Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24: 11: 50: IDM relay (diesel engine only) 12: 60: Engine compartment fuses 3, 5 and 26, 23 (diesel) Instrument panel fuses 26 and 32, PCM start relay: 13: 50: Blower motor relay (blower motor) 14: 30* 40In the 1999 Ford F-150, the PCM fuse and relay are located in two separate fuse boxes. In the under-dash fuse box, you’ll find fuse number 2, 20 and 30, which is assigned for the PCM power fuse. In the under-hood fuse box, there is a specific fuse labeled as fuse number 18, 23 and 24, designated for the PCM. Additionally, Relay 304 is ...Jan 7, 2016 · A bad PCM-power relay may cause the vehicle to crank, but not start, or sometimes not even crank at all. 3. Battery Drain or Dead Battery. The final bad ECM relay symptom is a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the ... 17. Reaction score. 2. Location. Cypress, TX. I am in need of the schematic for the power distribution block for a 2003 Expedition. The relay labeled as R203, and called the PCM Relay, has now been replaced 3 times. Pin 5 of the relay is melting the plastic of the relay. It has been taking SIX to EIGHT MONTHS months to show any symptoms.Here is a more detailed list of the signs of a bad or failing powertrain control module to look for: 1. A Check Engine Light. The first sign that your PCM is having issues is likely going to be a check engine light. The light could be for anything related to the powertrain.The fifth wire is the power relay sense circuit. It is used by the PCM to monitor power relay voltage. If the PCM detects an open power relay sense circuit, a code P0688 will be stored and a malfunction indicator lamp (MIL) may be illuminated. A typical PCM powertrain control module, opened up:A bad PCM-power relay may cause the vehicle to crank, but not start, or sometimes not even crank at all. 3. Battery Drain or Dead Battery. The final bad ECM relay symptom is a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the ...Feb 29, 2024. #2. If you have tuned it, then that is a software change to the PCM, if you remove power. Via Battery Disconnect, Fuse Pull or Relay pull it's still going to hold the Tune. But if you look at the (Engine Bay) Fuse box: Fuse 7 = PCM Power and just to the (Left) of Fuse 7 is the PCM Power Relay. Pcm power relay, 2018 Escape Fuse Diagram Battery Junction Box. 1 Not used 2 Not used 3 Not used 4 Not used 5 Not used 6 Not used 7 50 Anti-lock Brake System (ABS) module 8 30 Anti-lock Brake System (ABS) module 9 50 Not used 40 Not used 10 40 Blower motor relay 11 30 Low voltage Direct Current/Direct Current (DC/DC) Converter 12 30 PCM power …, What Does Code P0685 Mean? OBD II fault code P0685 is a generic code that is defined as “ECM/PCM power relay -circuit open”, and is set when the PCM (Powertrain Control Module) detects that its own power supply has failed, or if it detects a low voltage in the circuit that supplies it with power. Note that this code only applies to ..., P0688 is a diagnostic trouble code (DTC) for "ECM/PCM Power Relay Sense Circuit/Open". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 ., P2510 is a diagnostic trouble code (DTC) for "ECM/PCM Power Relay Sense Circuit Range/Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic ... , As a person inhales, air and scent molecules move past the smell receptors in the nose. In turn, the smell receptors relay a signal to the brain. Smells can trigger memories and em..., Chevrolet’s 4.3-liter Vortec V-6 engines incorporated one or two knock sensors. These sensors detected incorrect fuel-air mixture combustion in the cylinder. The knock sensor relay..., VW GOLF No No Start ,Crank mk6 mk7 ecu problems emc pcm power relay p0685 17069ECM Power Relay Control J271 Magnet Marelli 4HV IMMO fix repair cloning 0131..., Save on Powertrain Control Module Relay at Advance Auto Parts. Buy online, pick up in-store in 30 minutes., My car have code p0685 ECM/PCM control power relay circuit open, no Epc and engine light the car just crank but don’t start which relay should I replace and the location It’s a golf 5 gti BWA engine. Reply. Gary. 20.10.2022 at 23:35 . Having a problem with my son’s 09 Golf GTI. The passenger headlight isn’t working, then the passenger ..., PCM Power Relay. Relay . 31: Blower Motor Relay. Relay . 32: Two Speed Fuel Pump Relay [Gasoline only], Injector Driver Module Power Relay [Diesel only] Relay . 33: Washer Pump Relay. Relay . 34: Windshield Wiper Park/Run Relay. Relay . 35: Windshield Wiper HI/LO Relay. Diode ATO . 37: PCM Relay Diode. Relay . 38: Trailer Tow Backup Lamp …, PCM – keep alive power, PCM relay coil, canister vent solenoid [3.7L, 5.0L and 6.2L engines] Fuse MINI . 20A: 27: Fuel pump relay power. Fuse MINI . 10A: 28: Upfitter 4 [SVT Raptor] Fuse MINI . 10A: 29: ... PCM – Voltage power 2 (General powertrain components, Mass air flow/Intake air temp sensor) [3.7L, 5.0L, 6.2L engines], On some newer Ford Super Duty trucks, the PCM relay internal to the under hood fuse block can malfunction, causing the engine control module (engine computer..., My car have code p0685 ECM/PCM control power relay circuit open, no Epc and engine light the car just crank but don’t start which relay should I replace and the location It’s a golf 5 gti BWA engine. Reply. Gary. 20.10.2022 at 23:35 . Having a problem with my son’s 09 Golf GTI. The passenger headlight isn’t working, then the passenger ..., FORD F150 PCM ECU ECM RELAY LOCATION REPLACEMENT F 150 ENGINE COMPUTER RELAY 2009 2010 2011 2012 2013 2014If you need to find the engine computer relay, ECM ..., 16 Ga 20 Ga. Starter Motor Relay. Ford Econoline Fuses Description, Ford Econoline Fuse Location, Ford Club Wagon Fuses Description. Print Page. Location and description of fuses and relay Ford Econoline, Club Wagon with engine 4.9L Truck Six & Windsor, 5.8L Windsor, 7.5L 385 Family or Diesel 7.3L Navistar (E150, E250, E350; …, Avalanche forward Valeri Nichushkin was placed in Stage 3 of the NHL/NHLPA player assistance program and suspended for a minimum of six months without pay for …, Edge Member. 2. Posted August 11, 2017. I have a 2007 SEL and it has had this problem for the last few months. The PCM power relay ticks after you turn the key off. The TPS also ticks in time with the relay. Unplug the relay and plug it back in and it stops. I've researched this problem and have heard causes were anything from a weak ground to ..., The P0690 fault code refers to the Electronic Control Module (ECM) Power Relay Sense Circuit being high. This means that the ECM is detecting a high voltage in the power relay sense circuit. The powertrain relay is a normally open relay that is held in the open position by spring tension. Battery positive voltage is supplied directly to the ... , The #2 5amp relay is according to the owners guide F-150/250 1999 model year is the Powertrain Control Module (PCM) Cluster. When I turned the truck off last night after installing a new relay I look this morning relay clicking and all electric was off including the Pats light, checked my battery, 12.67vdc., One of the most common symptoms of a faulty ECM/PCM power relay is engine stalling . If your engine stalls while driving or idling, it could be a sign that the …, When the bladder fills with urine, sensory nerves send impulses to the brain telling it the bladder is full. The nerves connect with other nerves in the spinal cord to relay this i..., P068A – ECM/PCM Power Relay De-Energized Performance - Too EarlyThis trouble code is usually not something to worry about, just clear it. We've seen it pop u..., When it comes to heating systems, maximizing comfort and savings is a top priority for homeowners. One effective way to achieve this is by using Erie Boiler Zone Relay controls. Be..., The PCM relay is a contact relay that provides battery voltage to the powertrain control module (PCM), which is an electronic control unit that controls various engine functions. If the PCM relay is broken, the vehicle will have no power, no ignition, or other problems. Learn how to diagnose and fix the PCM relay with this guide., 3. Test the PCM Power Relay. If your Accord won’t start and the relay is getting both power from the battery line and the keyed power (with a solid ground), it’s time to suspect the PCM power relay itself. Here’s a good video on how to test a relay. It’ll also give you a basic understanding of how they work if you’re having trouble ..., The Windows 7 firewall prevents potentially malicious applications from infiltrating your system, allowing only the information you wish to send and receive. While the firewall aut..., HONDA ACCORD POWERTRAIN RELAY LOCATION, PCM RELAY, POWER TRAIN MODULE RELAY 2008 2009 2010 2011 2012If you have Honda Accord and you want to see where the PC..., FORD F150 PCM RELAY, POWER TRAIN RELAY LOCATION REPLACEMENT F 150 ECU RELAY, ECM RELAY 2015 -2017. Free Car Repair. 19.7K …, 3. Test the PCM Power Relay. If your Accord won’t start and the relay is getting both power from the battery line and the keyed power (with a solid ground), it’s time to suspect the PCM power relay itself. Here’s a good video on how to test a relay. It’ll also give you a basic understanding of how they work if you’re having trouble ..., Check the power relay: The P068A code can be caused by a faulty power relay. Use a multimeter to check the power relay’s resistance and continuity. If the power relay is faulty, replace it with a new one. Inspect the ECM/PCM: If the above steps do not resolve the issue, inspect the ECM/PCM for any damage or corrosion., Check the power relay: The P068A code can be caused by a faulty power relay. Use a multimeter to check the power relay’s resistance and continuity. If the power relay is faulty, replace it with a new one. Inspect the ECM/PCM: If the above steps do not resolve the issue, inspect the ECM/PCM for any damage or corrosion., P0685. Hi Piloteers, I’m having trouble locating which relay I need to replace. My 2008 Pilot EXL is throwing code P0685 “ECM/PCM Power Relay Control Circuit/Open”. My fuses all look OK but I can’t seem to figure out which relay needs replacing. The issue is that occasionally the radio, navigation, and interior electronics cut out at ..., The control circuit is activated by the ignition switch (pin 86) and the ground (pin 85). The permanent battery voltage is supplied by pin 30 as usual, and the high output voltage is delivered to the PCM by pin 87. The pin 87a is used by the PCM to monitor the relay voltage at all times. The OBD2 code P0690 is stored in memory when the PCM ...