LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 543 (Heater & Air Conditioning Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2637: Mode Door Motor (Front) >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM DTC CONFIRMATION PROCEDURE 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select "Self Diagnostic Result" mode of "HVAC".
    3. Check DTC.
    NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Logic  or DTC Logic .

    Is DTC No. "B2636", "B2637", "B2638", "B2639" or "B2654" displayed?

    YES

    Perform trouble diagnosis for the front mode door motor. Refer to Diagnosis Procedure .

    NO

    GO TO 2.

  2. Function Inspection 
    1. Press each mode switch and the DEF switch.
    2. Confirm that air discharge comes out according to the door control table. Refer to Door Control .

    Does it operate normally?

    YES

    Inspection End.

    NO

    Check front mode door motor installation, and repair or replace the malfunctioning parts. Refer to Removal and Installation - Front Mode Door Motor .

scientia non olet · About LEMON Manuals