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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 >> B263D, B263E, B263F Intake Door Motor >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

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.
  1. CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
    1. Using CONSULT-III, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
    2. Check if any DTC No. is displayed in the self-diagnosis results.
    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) ".

    Is DTC No. "B263D", "B263E", or "B263F" displayed? 

    YES: Perform trouble diagnosis for the intake door motor. Refer to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 2.

  2. FUNCTION INSPECTION
    1. Press the REC ( ) switch, indicator is turned ON.
    2. Listen for intake door position change. (Slight change of blower sound can be heard.)
    3. Press the FRE (refresh) switch, indicator is turned ON.
    4. Listen for intake door position change. (Slight change of blower sound can be heard.)

    Does it operate normally? 

    YES: Inspection End.

    NO: Check intake door motor installation, and repair or replace the malfunctioning parts.

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