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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Heater & Air Conditioning Control System) >> With Monochrome Display >> Component Diagnosis >> B2630, B2631 SUNLOAD Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to "DTC LOGIC - U1000 CAN COMM CIRCUIT " or "DTC LOGIC - U1010 CONTROL UNIT (CAN) ".
  • Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient. When performing the diagnosis indoors, light the sunload sensor with a lamp (60W or more).
DTC DETECTION LOGIC CHART

DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause
B2630 SUNLOAD SEN (SHORT) Detected calorie at sunload sensor 1395 w/m2 (1200 kcal/m2 .h) or more
  • Sunload sensor
  • A/C auto amp.
  • Harness and connector (Sunload sensor circuit is open, or there is a short in the circuit)
B2631 SUNLOAD SEN (OPEN) Detected calorie at sunload sensor 0 w/m2 (0 kcal/m2 .h)
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