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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 >> Function Diagnosis >> Diagnosis System (HVAC) >> CONSULT-III Function >> Self-Diagnostic Result

Self-Diagnostic Result

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.

Refer to "DTC INDEX ".

Display Item List

DISPLAY ITEM LIST

DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause
U1000 CAN COMM CIRCUIT When A/C auto amp. is not transmitting or receiving CAN communication signal for 2 or more seconds. CAN communication system
U1010 CONTROL UNIT (CAN) When detecting error during the initial diagnosis of CAN controller of A/C auto amp. A/C auto amp.
B257B AMB TEMP SEN (SHORT) Detected temperature at ambient sensor 55°C (131°F) or more
  • Ambient sensor
  • A/C auto amp.
  • Harness and connector (Ambient sensor circuit is open, or there is a short in the circuit)
B257C AMB TEMP SEN (OPEN) Detected temperature at ambient sensor -30°C (-22°F) or less
B2578 IN-CAR SENSOR (OUT OF RANGE [LOW]) Detected temperature at in-vehicle sensor 55°C (131°F) or more
  • In-vehicle sensor
  • A/C auto amp.
  • Harness and connector (In-vehicle sensor circuit is open, or there is a short in the circuit)
B2579 IN-CAR SENSOR (OUT OF RANGE [HI]) Detected temperature at in-vehicle sensor -30°C (-22°F) or less
B2581 EVAP TEMP SEN (SHORT) Detected temperature at intake sensor 55°C (131°F) or more
  • Intake sensor
  • A/C auto amp.
  • Harness and connector (Intake sensor circuit is open, or there is a short in the circuit)
B2582 EVAP TEMP SEN (OPEN) Detected temperature at intake sensor -30°C (-22°F) or less
B2630(1) SUNLOAD SEN (SHORT) Detected calorie at sunload sensor 1395 w/m2 (1200 kcal/m2 .h)
  • Sunload sensor
  • A/C auto amp.
  • Harness and connector (Sunload sensor circuit is open, or there is a short in the circuit)
B2631(1) SUNLOAD SEN (OPEN) Detected calorie at sunload sensor 0 w/m2 (0 kcal/m2 .h)
B2632 DR AIRMIX ACTR (SHORT) Air mix door PBR (driver side) position 5% or less
  • Air mix door motor (driver side)
  • A/C auto amp.
  • Harness and connector (CAN communication line is open or shorted) (Air mix door motor is open or shorted)
B2633 DR AIRMIX ACTR (OPEN) Air mix door PBR (driver side) position 95% or more
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
B2636 DR VENT DOOR FAIL When the malfunctioning door position is detected at VENT position
  • Mode door motor
  • A/C auto amp.
  • Harness and connector (CAN communication line is open or shorted) (Mode door motor is open or shorted)
B2637 DR B/L DOOR FAIL When the malfunctioning door position is detected at B/L position
B2638 DR D/F1 DOOR FAIL When the malfunctioning door position is detected at FOOT position
B2639 DR DEF DOOR FAIL When the malfunctioning door position is detected at DEF position
B263D FRE DOOR FAIL When the malfunctioning intake door position is detected at FRE position
  • Intake door motor
  • A/C auto amp.
  • Harness and connector (CAN communication line is open or shorted) (Intake door motor is open or shorted)
B263E 20P FRE DOOR FAIL When the malfunctioning intake door position is detected at 20%FRE position
B263F REC DOOR FAIL When the malfunctioning intake door position is detected at REC position
B2654 D/F2 DOOR FAIL When the malfunctioning door position is detected at D/F position
  • Mode door motor
  • A/C auto amp.
  • Harness and connector (CAN communication line is open or shorted) (Mode door motor is open or shorted)
B2655 B/L2 DOOR FAIL When the malfunctioning door position is detected at B/L2 position
(1) Perform self-diagnosis under sunshine. When performing indoors, aim a light (more than 60 W) at sunload sensor, otherwise self-diagnosis reports an error even though the sunload sensor is functioning normally.
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