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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1080 (Transfer Case (TX15B)) >> DTC/Circuit Diagnosis >> DTC P1801, P1811: Power Supply Circuit For Transfer Control Unit >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch "OFF". (Stay for at least 5 seconds.)
  2. Remove transfer shut off relay 1 and transfer shut off relay 2. Refer to "COMPONENT PARTS LOCATION ".
  3. Apply 12V direct current between transfer shut off relay terminals 1 and 2.
  4. Check continuity between relay terminals 3 and 5.
    Condition Continuity
    12V direct current supply between terminals 1 and 2 Yes
    OFF No
    Fig 1: Checking Continuity Between Relay Terminals 3 And 5
    G04901469Courtesy of NISSAN NORTH AMERICA, INC.
  5. If inspection results are not normal, replace the transfer shut off relay 1 or 2.
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