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BMW 3-Series (E90 E92) Forum
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No crank, no start.
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02-03-2024, 06:22 PM | #23 | |
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1) Connect to Vehicle & View, Save, Post ScreenPrint of "Control Unit Tree" as described Section I of pdf. 2) View, Save, Post ScreenPtint of "Fault Memory" as described in Section III of pdf. 3) Has ISTA and the K+DCAN Cable you are NOW using worked on this vehicle PREVIOUSLY? 4) When you follow steps 1 - 6 in Section 1, do you get ANY error messages before you see "Control Unit Tree"? If so, please attach ScreenPrint of any error message with description of WHAT command you created resulted in error message (which step you were executing). Providing that information will get us started in Diagnosis process. The JBE Module is the Hub or Gateway to which ISTA connects when you use ISTA. I presume you have a number of "S-Codes" indicating communication errors. That does NOT mean your DME is damaged. The first suspect is a Power Supply issue. Did you get any "Sparks" from short-circuit during the repair, and if so, WHERE in the vehicle? George |
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02-03-2024, 08:05 PM | #24 |
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Thank you for the reply. I should have updated on the post that those communication issue errors went away after a couple more cycles of reading codes. Now the codes I read are ones that I know of. We had been messing with the battery because of the no crank no start and that must be why I got those codes. I know I mentioned that I had tried to ground the engine to the chassis and that nothing happened but I gave it another try with a better ground on the engine so that I could confidently rule out this possibility and the car started. Now I just have to find where I’m having a ground issue. Thank you very much for the help you provided me and the help you provide to others with similar issues. If I have any other electrical issues, I know who to come to haha.
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02-03-2024, 11:34 PM | #25 | |
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That Ground Strap is between the Chassis to Left of Starter, and Engine at Starter, accessed from BENEATH the vehicle after removal of Splash Shield under engine. George |
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03-01-2024, 02:05 AM | #26 | |
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I went through your list to see if it could solve my issue and the CAS is doing everything it should. I ordered the obd2 to usb cord but i am trying to figure out how to download the software. If you could give me any pointers on how to get the software. I found one from Bimmergeek and its about 89 but you mentioned finding it for free. Basically i did a valve cover gasket and replaced the ccv hose on my E90 before doing it i had no issues starting but after theres no crank. Ive went through and triple checked everything took a multimeter to my power and ground as well checking the starter and everything is good. So im hoping the software could possibly provide some insight. I spoke with a buddie who mentioned the valvetronic gasket needs to be relearned from the forums ive read they mention it needs done by the software but ive also read you can do it without it. Even if i can do it without the software id still like it for a future reference. Could you let me know where you got the software from? |
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03-01-2024, 10:15 AM | #27 | |
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The post you Quote is from 2021. I do NOT know where/if you can NOW get a free INPA/E89 Datens/ ISTA download. From 2017 through 2022, that software was available on MEGA & elsewhere, FREE. NOT like someone was making money by SELLING BMW work product/ "Intellectual Property". I have NO IDEA who let that horse out of the barn, or when, but in last Year+, BMW has "Persuaded" MEGA sites, and those who linked MEGA sites, to "cease & desist". RANT Below: BMW vehicles, at least those produced PRIOR to 2008 recession, when parts-supplier issues apparently arose/increased, were reliable, well-made vehicles, at least those I'm aware of. They are capable of being maintained for 20 to 30 years, if properly repaired. "F30" has > 400,000 miles on his 2006. He has nearly as many "Deer Strikes" as Speeding Tickets. Apparently BMW "thinks" the owner of a car that is 12 to 20 years old, and worth LESS (often much less ;-) than $10K, or 20% of its NEW price, is going to take that vehicle to a licensed $Dealer for diagnosis & repair. Apparently BMW "thinks" that they will make MONEY by: 1) Enhancing License/Parts profits from $Dealers; 2) Preventing owners of vehicles, NO LONGER in warranty, from understanding HOW vehicle systems work (wiring, component function, etc.). Thus preventing Owner, or a capable Mechanic/ Tech, from properly DIAGNOSING/ Repairing the vehicle. 3) Coercing Owner to sell/scrap vehicle and GET NEW BMW??? 4) Enlarging segment of population who feels INCAPABLE of understanding how anything works, and FORCING them to "Take it to the $Dealer". 5) Charging $2,800/ year for TIS access. DIY Dinosaurs like me are totally "dismayed" (PO'd) by the "Current Business Model". The "Bean Counters" who seek to create "Constant Cash Flow" have prevailed over the "Old-school Engineers" who sought to manufacture a superior product ("Ultimate Driving Machine"). So you can NOW find "Video's" made by folks of varying degrees of skill or knowledge of E9x Function/ Design, and HOPE (unreasonably ;-) those are reliable, but BMW does NOT want you to have "Factory/ BMW" information on your 12-20 year-old vehicle. They DON'T even offer that information at a reasonable price. And the search for "Intelligent Life" goes on. BTW, given that this is your FIRST post on the Forum, Welcome! BUT, good luck finding someone who will provide copy of SW Files. They ARE still "Out There". George |
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08-28-2024, 10:28 AM | #28 |
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My e60 won't start. Was having issues aswell last few weeks where I would try to start it after a long drive and it wouldn't start. So I turned ignition off and tried again and pressing brake pedal harder and would start. From few days ago now the car won't start at all. Makes fuel pump noise when I try to start it but nothing. Also makes 2 clicking noises when I turn ignition on.
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08-28-2024, 04:20 PM | #29 | |
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If so, Check to see if your Brake Lights work with Remote Key in Insert Compartment (when radio comes on), or when Ignition ON (Press Start Button WITHOUT pressing Brake). If brake light Switch has failed, Starter will NOT be Activated by CAS Module, as it cannot confirm the Brake is applied. Please post back with details. Also, please indicate: 1) Make/Model of any Scan Tool or diagnostic software available. 2) Last-7 Characters of your VIN. George |
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08-28-2024, 09:18 PM | #30 | |
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08-29-2024, 08:51 PM | #33 | |
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1) INPA > Functional Jobs > F4 > F1 Fault Memory, ALL Modules; 2) INPA > DME (N53) > F4 Error Memory > F1 Read Fault Memory > F3 Fault Memory with FF Data 3) INPA > CAS (Body | Car Access System > F4 Error Memory > F1 Read Fault Memory You can also see Live Data connected to CAS Module, to see CAS Terminal Status, which will show if CAS is correctly Activating Starter via KL50. INPA > CAS > F5 > F2 Analog > F1 CAS Terminal Status George |
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08-30-2024, 06:59 AM | #34 | |
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08-30-2024, 07:03 AM | #36 |
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Took screenshot from the video to show voltage change when trying to start the car
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08-30-2024, 06:44 PM | #37 | |
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Current. If the Starter were actually Cranking the engine, there would be ~ 2V Voltage Drop, and all your voltage readings would be in 10V to 10.5V range. So you either have (1) a wiring fault in the KL50 voltage supply from CAS to Starter Solenoid (there are two intermediate connectors in the E-Box) or (2) the Starter Solenoid is NOT "pulling-in" to engage Starter Motor. While it is PROBABLY the latter, there are two things you could try to identify the cause. 1) See ISTA ScreenPrints of Wiring between CAS & Starter Solenoid, open E-box & test for voltage at connectors when START is activated. You can also apply 12V+ to the line running to Starter Solenoid, ENSURING in PARK/ NEUTRAL, as you are defeating the Safety Switches. Set HANDBRAKE. 2) Use a Wooden dowel or wooden/plastic broom handle to tap on Starter Solenoid (small cylinder) to see if engagement. Please let us know what you find. George |
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08-31-2024, 08:06 AM | #39 | |
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09-02-2024, 07:25 AM | #40 | |
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09-02-2024, 12:31 PM | #41 | |
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