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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1499 (Heating & Air Conditioning (On Board Diagnostic)) >> 01 On Board Diagnostic (OBD) >> Automatic Climate Control System, electrical testing >> Test steps "5" to "9" >> Test step "7"

Test step "7"

WARNING: This page is about a different car, the 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Sunlight Photo Sensor G107 

NOTE:
  • There are different versions of the operating and display module, Climatronic Control Module J255 and the Sunlight Photo Sensor G107. Attention must therefore be paid to the exact assignment when replacing an operating and display module .
  • As of VIN 400000 in Model Year 2005 (for Saloon and Avant; gradual introduction for the Cabrio in week 46/04 without prior specification of any particular VIN ), vehicles are to be installed with a modified Sunlight Photo Sensor G107 and a modified operating and display module, Climatronic Control Module J255. Operating and display units, Climatronic Control Module J255 with part No. index up to "AH" are only to be installed with the Sunlight Photo Sensor G107 with part No. 8E0 907 539. Operating and display units, Climatronic Control Module J255 with part No. index "AJ" onwards are only to be installed with the Sunlight Photo Sensor G107 with part No. 8P0 907 539 .
  • In the event of incorrect assignment between the Sunlight Photo Sensor G107 and the operating and display module, Climatronic Control Module J255, the operating and display module, Climatronic Control Module J255 cannot evaluate the signal from the Sunlight Photo Sensor G107 and there will be problems with air conditioner control.
Diagnostic Operation System VAS 5051A, measurement mode: Multi-meter, voltage measurement (20 V =)
  • Adapter V.A.G 1598/11 connected
Test step Test Box V.A.G 1598A socket Test of
  • Test requirements 
  • Additional operations
 Specified value Corrective actions for deviations from specification
7.1 4 + Ground (GND) * See note Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • Less than 2 V
  • Use wiring diagram to locate and eliminate short to positive
7.2 3 + Ground (GND) * See note Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • Less than 2 V
  • Use wiring diagram to locate and eliminate short to positive

* Ground (GND) is applied to connector "D", contact "13".

Diagnostic Operation System VAS 5051A, measurement mode: Multi-meter, resistance measurement (20 kΩ)
  • Adapter V.A.G 1598/11 connected
Test step Test Box V.A.G 1598A socket Test of
  • Test requirements 
  • Additional operations
 Specified value Corrective actions for deviations from specification
7.3 3 + Ground (GND) * See note Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • ∞ Ω
  • Use wiring diagram to locate and eliminate short to Ground (GND)
7.4 4 + Ground (GND) * See note Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • ∞ Ω
  • Use wiring diagram to locate and eliminate short to Ground (GND)

* Ground (GND) is applied to connector "D", contact "13".

Diagnostic Operation System VAS 5051A, measurement mode: Multi-meter, voltage measurement (20 V =)
  • Adapter - 16 Terminals V.A.G 1598/12 connected
Test step Test Box V.A.G 1598A socket Test of
  • Test requirements 
  • Additional operations
 Specified value Corrective actions for deviations from specification
7.5 1 + 13 Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • Less than 2 V
  • Use wiring diagram to locate and eliminate short to positive
7.6 16 + 13 Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • Less than 2 V
  • Use wiring diagram to locate and eliminate short to positive
Diagnostic Operation System VAS 5051A, measurement mode: Multi-meter, resistance measurement (20 kΩ)
  • Adapter - 16 Terminals V.A.G 1598/12 connected
Test step Test Box V.A.G 1598A socket Test of
  • Test requirements 
  • Additional operations
 Specified value Corrective actions for deviations from specification
7.7 1 + 13 Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • ∞ Ω
  • Use wiring diagram to locate and eliminate short to Ground (GND)
7.8 16 + 13 Wiring to Sunlight Photo Sensor G107
  • Ignition switched on
  • ∞ Ω
  • Use wiring diagram to locate and eliminate short to Ground (GND)
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