B10A9: Difference between revisions
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      Table Of Contents
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          1.
          B10A9 - Control Circuit for A/C Compressor
          
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      1.1.1
      B10A911 - Control Circuit A/C Compressor: Short to Ground
      
- 1.1.1.2 Possible Symptoms
 
- 1.1.2.2 Possible Causes
 
- 1.1.3.2 Possible Solutions
 
 
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      1.2.1
      B10A915 - Control Circuit A/C Compressor: Open or Short to Plus
      
- 1.2.1.6 Possible Symptoms
 
- 1.2.2.6 Possible Causes
 
- 1.2.3.6 Possible Solutions
 
- 1.2.4.6 Special Notes
 
 
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      1.1.1
      B10A911 - Control Circuit A/C Compressor: Short to Ground
      
 
 Created page with "__FORCETOC__ == B10A9 - Control Circuit for A/C Compressor ==  ==== Special Notes ====  * When found in the (4H) Audi A8 chassis 08-Auto HVAC control module, check the N280 AC..."  | 
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__FORCETOC__  | __FORCETOC__  | ||
== B10A9 - Control Circuit for A/C Compressor ==  | == B10A9 - Control Circuit for A/C Compressor ==  | ||
=== B10A911 - Control Circuit A/C Compressor: Short to Ground ===  | |||
==== Possible Symptoms ====  | |||
* Climate Control not working (Not cooling)  | |||
==== Possible Causes ====  | |||
* Fuse(s) faulty  | |||
* Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280) faulty  | |||
* Compressor Regulating Valve (N280) faulty  | |||
* Heating/Climate Control Module (J301) faulty  | |||
==== Possible Solutions ====  | |||
* Check Fuse(s)  | |||
* Check Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280)  | |||
* Check/Replace Compressor Regulating Valve (N280)  | |||
** Check Measuring Value Blocks (MVB)  | |||
** Perform Output Test  | |||
* Check/Replace Heating/Climate Control Module (J301)  | |||
=== B10A915 - Control Circuit A/C Compressor: Open or Short to Plus ===  | |||
==== Possible Symptoms ====  | |||
* Climate Control not working (Not cooling)  | |||
==== Possible Causes ====  | |||
* Fuse(s) faulty  | |||
* Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280) faulty  | |||
* Compressor Regulating Valve (N280) faulty  | |||
* Heating/Climate Control Module (J301) faulty  | |||
==== Possible Solutions ====  | |||
* Check Fuse(s)  | |||
* Check Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280)  | |||
* Check/Replace Compressor Regulating Valve (N280)  | |||
** Check Measuring Value Blocks (MVB)  | |||
** Perform Output Test  | |||
* Check/Replace Heating/Climate Control Module (J301)  | |||
==== Special Notes ====  | ==== Special Notes ====  | ||
* The Refrigerant Compressor may need to be replaced if the Compressor Regulating Valve (N280) is not available separately.  | |||
* When found in the (4H) Audi A8 chassis 08-Auto HVAC control module, check the N280 AC compressor wiring to/from J519 per the factory level [[Official Factory Repair Information |Wiring Diagram]].  | * When found in the (4H) Audi A8 chassis 08-Auto HVAC control module, check the N280 AC compressor wiring to/from J519 per the factory level [[Official Factory Repair Information |Wiring Diagram]].  | ||
Revision as of 14:54, 12 September 2019
B10A9 - Control Circuit for A/C Compressor
B10A911 - Control Circuit A/C Compressor: Short to Ground
Possible Symptoms
- Climate Control not working (Not cooling)
 
Possible Causes
- Fuse(s) faulty
 - Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280) faulty
 - Compressor Regulating Valve (N280) faulty
 - Heating/Climate Control Module (J301) faulty
 
Possible Solutions
- Check Fuse(s)
 - Check Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280)
 - Check/Replace Compressor Regulating Valve (N280)
- Check Measuring Value Blocks (MVB)
 - Perform Output Test
 
 - Check/Replace Heating/Climate Control Module (J301)
 
B10A915 - Control Circuit A/C Compressor: Open or Short to Plus
Possible Symptoms
- Climate Control not working (Not cooling)
 
Possible Causes
- Fuse(s) faulty
 - Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280) faulty
 - Compressor Regulating Valve (N280) faulty
 - Heating/Climate Control Module (J301) faulty
 
Possible Solutions
- Check Fuse(s)
 - Check Wiring and/or Connector(s) from/to Compressor Regulating Valve (N280)
 - Check/Replace Compressor Regulating Valve (N280)
- Check Measuring Value Blocks (MVB)
 - Perform Output Test
 
 - Check/Replace Heating/Climate Control Module (J301)
 
Special Notes
- The Refrigerant Compressor may need to be replaced if the Compressor Regulating Valve (N280) is not available separately.
 
- When found in the (4H) Audi A8 chassis 08-Auto HVAC control module, check the N280 AC compressor wiring to/from J519 per the factory level Wiring Diagram.