Touareg V8-4.2L (BHX) (2004)
Compass: Customer Interest
Instruments - Compass Module Discharges Battery
91 07 03
Mar. 22, 2007
2010418
Supersedes T.B. Group 91 number 05-03 dated Aug. 16, 2005 due to inclusion into ElsaWeb.
Vehicles Affected
Condition
Module, Vehicle Position Recognition Control -J603-, Diagnosis
Technical Background
Load intervention faults, Terminal 30 faults, discharged battery.
Production Solution
No production change required.
Service
The following procedures will help diagnose possible amperage draw from Vehicle Position Recognition Control module -J603- (compass module).
Module Verification
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Using the VAS 5051, enter Address word 1C.
Observe software level. If already at 2200:
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DO NOT complete this Technical Bulletin, further diagnosis is required.
If software level is less than 2200, (i.e. 1600 or 1700):
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Continue with bulletin.
Vehicle Requirements
Battery must have minimum of 12.5 V no load charge.
If battery is discharged:
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Charge with an approved VW battery charger (InCharge 940 Battery Charging Station) until 12.5 V no load charge is reached.
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Switch all consumers OFF.
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Eject and remove Navigation CD if equipped.
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Disable any auxiliary after market consumers built into the vehicle. I.E. DVD player, 12V converter/chargers, aux. heater, etc.
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Wait for 15 minutes before beginning measurement.
Tip: