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2002 b5.5 with climatronic ac system. Ac works

Customer Question
intermittently. Had a code for...
2002 b5.5 with climatronic ac system. Ac works intermittently. Had a code for the sensor in the hvac box. Replaced still the same problem. R134 level is filled by weight. When it kicks off the ground disappears from the control unit that goes to the ac relay. I have the bypass relay installed and the ac comes on and works properly. Fans and clutch kick on and cooling fan goes off and on as required to keep pressure. Any ideas. Am i looking at a bad control unit?
Submitted: 8 months ago.Category: VW
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Answered in 2 minutes by:
10/2/2017
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago
Wolfgang
Wolfgang, VW Master Technician
Category: VW
Satisfied Customers: 5,162
Experience: Senior VW Master Tech 15 yrs
Verified

Thanks for choosing Just Answer . I'm Wolfgang here to help!!

I am confident we can resolve your problem together. Please
understand that I don't know your skill level. In most cases when you have a problem
with the way the vehicle performs, specialized tooling is required to acquire computer
data/information or engine testing results. We didn’t build these complicated vehicles; we
just diagnose and fix them. Also understand that I can't see, smell, hear, or touch the
vehicle either, so it may take a few replies to get to satisfactory results. Note there may be an issue where the complexity of the issue will require a Premium Service. This service will be an addition to the normal question cost. Usually it does not come down to this but keep in mind!! I am also going to direct you with the fastest, easiest and most common things to check first. Please be
patient and permit me to do what I do best.
I also try to give all of the information you may need, expecting a “positive rating” in
return. I will also continue assisting you after you have rated me, if necessary. If there
is any reason I cannot get a positive rating, please let me know why “in advance”, so I
can go another direction for you. I am sorry you’re having this problem; I’ll help you
through it.
Below is my first answer or request for more information. If you do not understand it, or you need more information from me, or need me to go in more detail.

is the check engine light on? if so what faults are in the engine ecu?

thanks

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Customer reply replied 8 months ago
Let me get my vag com and scan it. I know it has o2 sensor codes
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago

also the code for the climate control full log please!!

thanks

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Customer reply replied 8 months ago
Monday,02,October,2017,16:20:43:03551
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 17.1.3.0 (x64)
Data version: 20170320 DS267.7
www.Ross-Tech.comVIN: WVWTH63BX2P133669 License Plate:Chassis Type: 3B (3B - VW Passat B5 (1997 > 2005))
Scan: 01 02 03 08 15 16 17 19 35 36 37 46 47 55 56 57 58 75 76 77
VIN: WVWTH63BX2P133669 Mileage: 376070km-233679miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 078-907-551-ATQ.lbl
Part No: 3B0 907 551 CG
Component: 2.8L V6/5V G 0001
Coding: 07251
Shop #: WSC 00028
VCID: 6ADBFC8D1672361157-5140
WVWTH63BX2P133669 VWZ7Z0A406445710 Faults Found:
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-10 - - Intermittent
16685 - Cylinder 1
P0301 - 35-10 - Misfire Detected - Intermittent
16688 - Cylinder 4
P0304 - 35-10 - Misfire Detected - Intermittent
16686 - Cylinder 2
P0302 - 35-10 - Misfire Detected - Intermittent
16689 - Cylinder 5
P0305 - 35-10 - Misfire Detected - Intermittent
17544 - Fuel Trim: Bank 1 (Add)
P1136 - 35-00 - System too Lean
17546 - Fuel Trim: Bank 2 (Add)
P1138 - 35-00 - System too Lean
16539 - Oxygen (Lambda) Sensor B2 S1; Heating Circuit
P0155 - 35-10 - Malfunction - Intermittent
16519 - Oxygen (Lambda) Sensor B1 S1; Heating Circuit
P0135 - 35-10 - Malfunction - Intermittent
16891 - Idle Control System RPM
P0507 - 35-10 - Higher than Expected. - Intermittent
Readiness: 0010 1001-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 01V-927-156.lbl
Part No: 3B0 927 156 AD
Component: AG5 01V 2.8l5V USA 3939
Coding: 00102
Shop #: WSC 00028
VCID: 68DF8685087E040141-5140No fault code found.-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 8E0-614-111-EDS.lbl
Part No: 8E0 614 111 A
Component: ABS/EDS 5.3 QUATTRO D10
Shop #: BB 24334
VCID: 1C37EA558CA618A115-5124No fault code found.-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 3Bx-907-044.lbl
Part No: 3B1 907 044 J
Component: CLIMATRONIC B5GP 0003
Coding: 17200
Shop #: WSC 00028
VCID: 285FC685C8FEC40181-51402 Faults Found:
00787 - Temperature Sensor in Fresh Air intake duct (G89)
30-00 - Open or Short to Plus
00818 - Sensor for Evaporator Outlet Temperature (G263)
30-00 - Open or Short to Plus-------------------------------------------------------------------------------
Address 15: Airbags Labels: 6Q0-909-605-VW5.lbl
Part No: 6Q0 909 605 C
Component: 09 AIRBAG VW6 04 0004
Coding: 12345
Shop #: WSC 00028
VCID: 377D15F915405BF918-51242 Faults Found:
01222 - Crash Sensor Side Airbag; Passenger Side (G180)
37-00 - Faulty
00588 - Airbag Igniter; Driver Side (N95)
32-00 - Resistance Too High-------------------------------------------------------------------------------
Address 16: Steering wheel Labels: 1J0-907-487-A.lbl
Part No: 1J0 907 487 A
Component: Lenkradelektronik 0003
Coding: 00118
Shop #: WSC 00028
VCID: 2F6D2D99ED10933940-51F2No fault code found.-------------------------------------------------------------------------------
Address 17: Instruments Labels: 3B0-920-xx5-17.lbl
Part No: 3B0 920 926 B
Component: KOMBI+WEGFAHRSP VDO V01
Coding: 07235
Shop #: WSC 00222
VCID: 2345D1A9B1D82759D4-5124
WVWTH63BX2P133669 VWZ7Z0A40644571 Fault Found:
01304 - Radio
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: 00004
Shop #: WSC 00028
VCID: 70EFEEE530AECCC119-51061 Fault Found:
01304 - Radio
49-10 - No Communications - Intermittent-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr Labels: 3B1-959-760.lbl
Part No: 3B1 959 760 E
Component: Sitzverstellung 0301
Shop #: WSC 00000 000 00000
VCID: 2F6D2D99BD10933940-51061 Fault Found:
01008 - Note; Emergency OFF Switch is Active!
000 - - - Intermittent-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 1C0-959-799.lbl
Part No: 1C0 959 799 C
Component: 09 Komfortgerát HLO 0001
Coding: 00258
Shop #: WSC 00028
VCID: 377D15F915405BF918-4B00Subsystem 1 - Part No: 1C0959801
Component: 09 Tõrsteuer.FS KLO 0002Subsystem 2 - Part No:
Customer reply replied 8 months ago
the misfires are old i cleaned my engine off. it went away
Customer reply replied 8 months ago
ac pressures are at 85 low 100 high when compressor is off.With compressor on it is running 30 on the low side an 175 on the high side
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago
Checking wiring diagram
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Customer reply replied 8 months ago
Any ideas yet
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago

ok you need to check the wiring at the inlet air side under the dash for any chaffs and breaks . sounds like a wiring issue with the 2 sensors which the wiring routing is near the 2 sensors .

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Customer reply replied 8 months ago
Do you know where the g263 sensor is
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago

between firewall and ac box near the intake of the air box

unfortunately i do not have a color photo of the location!!

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Customer reply replied 8 months ago
Found it on a video. I changed the wrong sensor. Oh well. Man i feel stupid.
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago

ahh !!!

anything else?

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Customer reply replied 8 months ago
Ill let you know when i get back into it later today
VW Mechanic: Wolfgang, VW Master Technician replied 8 months ago

got it

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