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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 >> B2634, B2635 Air Mix Door Motor (Passenger Side) >> 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) ".
DTC DETECTION LOGIC CHART

DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause
B2634 PASS AIRMIX ACTR (SHORT) Air mix door PBR (passenger side) position 5% or less
  • Air mix door motor (passenger side)
  • A/C auto amp.
  • Harness and connector (CAN communication line is open or shorted) (Air mix door motor is open or shorted)
B2635 PASS AIRMIX ACTR (OPEN) Air mix door PBR (passenger side) position 95% or more
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