LEMON Manuals: Even more car manuals for everyone
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 >> B2578, B2579 In-Vehicle 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) ".
DTC DETECTION LOGIC CHART

DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause
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
scientia non olet · About LEMON Manuals