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Thread: MK4 golf electrical problem

  1. #1
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    MK4 golf electrical problem

    Code:
    Sunday,20,October,2019,13:39:00:25110
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.2.0 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20190930 DS308.0
    www.Ross-Tech.com
    
    
    VIN: 9BWDE61J724020003   License Plate: 
    
    
    Chassis Type: 1J (1J - VW Golf/Bora IV (1998 > 2006))
    Scan: 01 02 03 08 15 16 17 19 22 29 35 36 37 39 46 47 55 56 57 75
              76
     
    VIN: 9BWDE61J724020003   Mileage: 163280km-101457miles
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: None
       Part No: 06A 906 032 S2
       Component: 1.8L R4/5VT     G   0001  
       Coding: 07500
       Shop #: WSC 00066  
       VCID: 6099A2FFC3558267A97-5184
       XXXXXXXXXXXXXXXXX     XXXXXXXXXXXXXX
    
    9 Faults Found:
    18058 - Powertrain Data Bus 
                P1650 - 35-10 - Missing Message from Instrument Cluster - Intermittent
    18044 - Powertrain Data Bus 
                P1636 - 35-10 - Missing Message from Airbag Controller - Intermittent
    18057 - Powertrain Data Bus 
                P1649 - 35-10 - Missing Message from ABS Controller - Intermittent
    17881 - EVAP Leak Detection Pump 
                P1473 - 35-00 - Open Circuit
    16486 - Mass Air Flow Sensor (G70) 
                P0102 - 35-00 - Signal too Low
    16519 - Oxygen (Lambda) Sensor B1 S1; Heating Circuit 
                P0135 - 35-10 - Malfunction - Intermittent
    17511 - Oxygen (Lambda) Sensor Heating; B1 S1 
                P1103 - 35-10 - Performance too Low - Intermittent
    16621 - Manifold Pressure / Boost Sensor (G31) 
                P0237 - 35-10 - Signal too Low - Intermittent
    16490 - Manifold / Barometric Pressure Sensor (G71) / (F96) 
                P0106 - 35-10 - Implausible Signal - Intermittent
    Readiness: 0010 0100
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1C0-907-37x-ASR.lbl
       Part No: 1C0 907 379 D
       Component: ASR FRONT MK60      0103  
       Coding: 0021505
       Shop #: WSC 00000 785 00200
       VCID: 2B0305D3FF13113F4C5-5184
    
    2 Faults Found:
    01314 - Engine Control Module 
                004 - No Signal/Communication - Intermittent
    01314 - Engine Control Module 
                013 - Check DTC Memory
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
       Part No: 1C0 909 605 F
       Component: 08 AIRBAG VW61 0202 0004  
       Coding: 12344
       Shop #: WSC 00000  
       VCID: 270BF9E3E6FB355FA8D-5160
    
    3 Faults Found:
    00532 - Supply Voltage B+ 
                07-10 - Signal too Low - Intermittent
    01299 - Diagnostic Interface for Data Bus (J533) 
                49-10 - No Communications - Intermittent
    01312 - Powertrain Data Bus 
                37-10 - Faulty - Intermittent
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 1J0-920-xx5-17.lbl
       Part No: 1J0 920 906 J
       Component: KOMBI+WEGFAHRSP VDO V02  
       Coding: 07232
       Shop #: WSC 00000  
       VCID: 2F3B11C3CE0B6D1F60D-5160
       9BWDE61J724020003     VWZ7Z0A3900683
    
    4 Faults Found:
    01312 - Powertrain Data Bus 
                37-10 - Faulty - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
       Part No: 6N0 909 901 
       Component: Gateway K<->CAN    0001  
       Coding: 00006
       Shop #: WSC 00001  
       VCID: 70B9D2BF13B532E7397-5160
    
    4 Faults Found:
    01312 - Powertrain Data Bus 
                37-10 - Faulty - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    01316 - ABS Control Module 
                49-10 - No Communications - Intermittent
    01321 - Control Module for Airbags (J234) 
                49-10 - No Communications - Intermittent
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 1C0-959-799.lbl
       Part No: 1C0 959 799 C
       Component: 1J Komfortgerát HLO 0003  
       Coding: 00064
       Shop #: WSC 00001  
       VCID: 372B29A3365BA5DF38D-4B1E
    
       Subsystem 1 - Part No: 1C1959801A
       Component: 1J Tőrsteuer.FS KLO 0002  
    
       Subsystem 2 - Part No: 1C1959802A
       Component: 1J Tőrsteuer.BF KLO 0002  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 3B7-035-1xx-56.lbl
       Part No: 3B7 035 180 G
       Component: RADIO 3CP          0005  
       Coding: 04031
       Shop #: WSC 00066  
       VCID: 2411EEEF97CDDE478DF-5160
    
    No fault code found.
    
    End----------(Elapsed Time: 04:58, VBatt start/end: 12.2V/12.2V)-----------
    I figured I would start with the MAF. I found a pin out 1-gnd 2-not used 3-5vdc 4-signal 0-5 vdc. with the Maf unplugged the only reading I got was battery voltage on pin 4
    is there anything in common with my codes ?
    honestly I can't make sense out of the wiring diagrams. I was hoping somebody would have some short cuts. I'll be checking grounds and fuses while I wait for the magic answer.
    Dave
    Last edited by Uwe; 10-20-2019 at 03:28 PM. Reason: CODE tags

  2. #2
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    Oh I was working under the dash last week if that sheds any light

  3. #3
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    Quote Originally Posted by Smitty View Post
    Oh I was working under the dash last week if that sheds any light
    Some of connectors in "electric box" between passenger compartment and engine bay not connected?
    First clear all fault codes in all modules, do a new autoscan and post it here.
    P.S. use "code" tags for it.

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  5. #4
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by MartinsX View Post
    Some of connectors in "electric box" between passenger compartment and engine bay not connected?
    First clear all fault codes in all modules, do a new autoscan and post it here.
    +1.

    Almost all those faults are flagged "Intermittent". They may be residue from having had stuff unplugged while he was working under the dash?

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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  7. #5
    NostraJackAss Jack@European_Parts's Avatar
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    Not all of them is correct but but but.....and clearly FOD modified?
    Yeah well I'm wondering why there is a code for front OXS heater and not rear but readiness for CAT & OXS are ready?

    Could be a consumer short that is not reflected in the stack is what I'm saying, right?

    How about reflash to stock to see what other codes pop up and to an inspection of ECU for burn down inside visually?

    What is FP relay status?

    Can you perform outputs with VCDS?

    Are you sure battery connections are okay and ground points under battery, with full functional ignition switch?
    Last edited by Jack@European_Parts; 10-20-2019 at 06:15 PM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  9. #6
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    Thank you very much for the well thought out answers. Unfortunately that auto scan was after I cleared the codes. I have no idea of the tune it came with the car. the rear 02 is programmed out. If cleaning up the connections under the dash doesn't clear things up I do have a stock ecu I can swap in.
    I haven't tried doing output controls yet. I will also try to figure out what code tags are.

  10. #7
    NostraJackAss Jack@European_Parts's Avatar
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    I have no idea of the tune it came with the car. the rear 02 is programmed out.
    Interesting, is your "known" code out of the rear OXS, a result of some type of "ECM" ( Electronic Countermeasure ) of the possible tuner & for touching their equally nefarious behavior?

    I do have a stock ecu I can swap in
    That's an idea ain't it Smitty?

    I haven't tried doing output controls yet.
    Why?

    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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