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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> On-Board Diagnostic [HVAC System - Full-Auto Air Conditioner System] >> DTC B10BE:12, B10BE:13 [Full-Auto Air Conditioner] >> Notes

DTC B10BE:12, B10BE:13 [Full-Auto Air Conditioner]: Notes

DESCRIPTION
  • B10BE:12
    • Solar radiation sensor circuit short to power supply
  • B10BE:13
    • Solar radiation sensor circuit open
DETECTION CONDITION 
  • Malfunction in wiring harness between solar radiation sensor and climate control unit
FAIL-SAFE FUNCTION  Malfunction determined when IG SW at ON 
  • The solar radiation sensor input value is fixed at the value directly before the malfunction only when the valve is 1,450 W/m 2  or more  .

    Malfunction already exists when IG SW turned to ON 

  • Solar radiation sensor value is fixed at 0 W/m 2  .
POSSIBLE CAUSE 
  • Solar radiation sensor connector malfunction
  • Solar radiation sensor malfunction
  • Open circuit in wiring harness between climate control unit and solar radiation sensor
  • Short to power supply in wiring harness between climate control unit and solar radiation sensor
  • Climate control unit connector malfunction
  • Climate control unit malfunction
SYSTEM WIRING DIAGRAM 
G08150848