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Home >> Nissan-Datsun >> 2013 >> Juke S, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> DTC/Circuit Diagnosis >> DTC P1811: Power Supply Circuit For AWD Control Module >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK AWD CONTROL MODULE POWER SUPPLY (1) 
    1. Turn the ignition switch OFF.
    2. Disconnect AWD control module harness connector.
    3. Check the voltage between AWD control module harness connector and ground.
      AWD control module - Voltage
      Connector Terminal
      B47 1 Ground 11 - 13 V
    4. Turn the ignition switch ON.
      CAUTION: Never start the engine.
    5. Check the voltage between AWD control module harness connector and ground.
      AWD control module - Voltage
      Connector Terminal
      B47 1 Ground 11 - 13 V

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK AWD CONTROL MODULE POWER SUPPLY (2) 
    1. Turn the ignition switch OFF.
    2. Check the 10A fuse (#33).
    3. Check the harness for open or short between AWD control module harness connector No. 1 terminal and 10A (#33).

      Is the inspection result normal? 

      YES: Perform the trouble diagnosis for power supply circuit. Refer to "WIRING DIAGRAM - BATTERY POWER SUPPLY - ".

      NO: Repair or replace error-detected parts.

  3. CHECK AWD CONTROL MODULE POWER SUPPLY (3) 
    1. Turn the ignition switch OFF.
    2. Check the voltage between AWD control module harness connector and ground.
      AWD control module - Voltage
      Connector Terminal
      B47 3 Ground 0 V
    3. Turn the ignition switch ON.
      CAUTION: Never start the engine.
    4. Check the voltage between AWD control module harness connector and ground.
      AWD control module - Voltage
      Connector Terminal
      B47 3 Ground 11 - 13 V

      Is the inspection result normal? 

      YES: GO TO  5.

      NO: GO TO 4.

  4. CHECK AWD CONTROL MODULE POWER SUPPLY (4) 
    1. Turn the ignition switch OFF.
    2. Check the 10A fuse (#3).
    3. Check the harness for open or short between AWD control module harness connector No. 3 terminal and 10A (#3).

      Is the inspection result normal? 

      YES: Perform the trouble diagnosis for ignition power supply circuit. Refer to "WIRING DIAGRAM - IGNITION POWER SUPPLY - ".

      NO: Repair or replace error-detected parts.

  5. CHECK AWD CONTROL MODULE GROUND 
    1. Turn the ignition switch OFF.
    2. Check the continuity between AWD control module harness connector and ground.
      AWD control module - Continuity
      Connector Terminal
      B47 10 Ground Existed
      11

      Is the inspection result normal? 

      YES: GO TO 6.

      NO: Repair or replace error-detected parts.

  6. CHECK TERMINALS AND HARNESS CONNECTORS 

    Check the AWD control module pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal? 

    YES: Replace AWD control module. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair or replace error-detected parts.

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