Four Quadrant Sun Sensor (B32/2): Difference between revisions

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'''Location - Four Quadrant Sun Sensor (B32/2)'''
==Location - Four Quadrant Sun Sensor (B32/2)==
The Four Quadrant Sun Sensor (B32/2) is located on the front hood/bonnet near the windscreen.
The Four Quadrant Sun Sensor (B32/2) is located on the front hood/bonnet near the windscreen.


[[File:W220_2003_ACC_Four_Quadrant_Sun_Sensor_%28B32_2%29.JPG|300px|center]]
[[File:W220_2003_ACC_Four_Quadrant_Sun_Sensor_%28B32_2%29.JPG|300px|center]]


'''Testing - Four Quadrant Sun Sensor (B32/2)'''
==Testing - Four Quadrant Sun Sensor (B32/2)==
* Place four pieces of masking tape over each quadrant of the Four Quadrant Sun Sensor B32/2 and monitor the Diagnostic Parameter values for each quadrant (NR.11: - FL, NR.12: - FR, NR.13: - RR, NR.14: - RL) via the ACC Pushbutton Control Module (N22). Press Residual Heat and Ventilation (REST) button alone for greater than five seconds with ignition on (position 2) or with engine running.
* Place four pieces of masking tape over each quadrant of the Four Quadrant Sun Sensor B32/2.
* Remove various pieces of masking tape to expose each quadrant to sunlight.
* Monitor the Diagnostic Parameter values for each quadrant via the ACC Pushbutton Control Module (N22).
 
* '''''Be warned that accessing the hidden ACC Service Menus requires some technical experience.'''''
'''Test Results - Four Quadrant Sun Sensor (B32/2)'''
* See full details [[Automatic Climate Control (ACC) Service Menus]].
* Press Residual Heat and Ventilation (REST) button alone for greater than five seconds with ignition on (position 2) or with engine running.
* Record the Diagnostic Parameter values for each quadrant (NR.11: - FL, NR.12: - FR, NR.13: - RR, NR.14: - RL).
* Remove various pieces of masking tape to expose each quadrant to sunlight and repeat measurement.


==Test Results - Four Quadrant Sun Sensor (B32/2)==
The following results were obtained in the shade with slightly transparent blue masking tape.
The following results were obtained in the shade with slightly transparent blue masking tape.


[[File:W220_2003_ACC_Four_Quadrant_Sun_Sensor_%28B32_2%29_Test_Results.JPG|600px|center]]
[[File:W220_2003_ACC_Four_Quadrant_Sun_Sensor_%28B32_2%29_Test_Results.JPG|600px|center]]


'''BenzWorld Member Experience with Four Quadrant Sun Sensor (B32/2)'''
==BenzWorld Member Experience with Four Quadrant Sun Sensor (B32/2)==
 
"After having a problem with my A/C for two years, and blowing more than $2,0000.00 with the Mercedes-Benz Dealership to fix it, only to figure it out on my own, I thought I would update everyone with the hope that it can help others."
"After having a problem with my A/C for two years, and blowing more than $2,0000.00 with the Mercedes-Benz Dealership to fix it, only to figure it out on my own, I thought I would update everyone with the hope that it can help others."


Refer to: http://forums.mbworld.org/forums/s-class-w220/198351-2000-s430-climate-control-problem.html
Refer to: http://forums.mbworld.org/forums/s-class-w220/198351-2000-s430-climate-control-problem.html

Revision as of 05:00, 13 March 2015

Location - Four Quadrant Sun Sensor (B32/2)

The Four Quadrant Sun Sensor (B32/2) is located on the front hood/bonnet near the windscreen.

Testing - Four Quadrant Sun Sensor (B32/2)

  • Place four pieces of masking tape over each quadrant of the Four Quadrant Sun Sensor B32/2.
  • Monitor the Diagnostic Parameter values for each quadrant via the ACC Pushbutton Control Module (N22).
  • Be warned that accessing the hidden ACC Service Menus requires some technical experience.
  • See full details Automatic Climate Control (ACC) Service Menus.
  • Press Residual Heat and Ventilation (REST) button alone for greater than five seconds with ignition on (position 2) or with engine running.
  • Record the Diagnostic Parameter values for each quadrant (NR.11: - FL, NR.12: - FR, NR.13: - RR, NR.14: - RL).
  • Remove various pieces of masking tape to expose each quadrant to sunlight and repeat measurement.

Test Results - Four Quadrant Sun Sensor (B32/2)

The following results were obtained in the shade with slightly transparent blue masking tape.

BenzWorld Member Experience with Four Quadrant Sun Sensor (B32/2)

"After having a problem with my A/C for two years, and blowing more than $2,0000.00 with the Mercedes-Benz Dealership to fix it, only to figure it out on my own, I thought I would update everyone with the hope that it can help others."

Refer to: http://forums.mbworld.org/forums/s-class-w220/198351-2000-s430-climate-control-problem.html

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