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Home >> Infiniti >> 2011 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Transfer Case (ATX90A)) >> DTC/Circuit Diagnosis >> DTC P1813: 4WD Mode Switch >> Component Inspection

Component Inspection

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  1. CHECK 4WD SHIFT SWITCH
    1. Turn the ignition switch OFF.
    2. Remove 4WD switch assembly. Refer to "REMOVAL AND INSTALLATION ".
    3. Check the continuity between 4WD switch assembly harness connector terminals.
      CONTINUITY SPECIFICATION

      4WD switch assembly Condition Continuity
      Terminal
      12 9 4WD shift switch: AUTO Existed
      4WD shift switch: 4H or 4L Not existed
      12 10 4WD shift switch: 4H Existed
      4WD shift switch: AUTO or 4L Not existed
      12 11 4WD shift switch: 4L Existed
      4WD shift switch: AUTO or 4H Not existed

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace 4WD switch assembly. Refer to "REMOVAL AND INSTALLATION ".