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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Seats (Except Hybrid)) >> DTC/Circuit Diagnosis >> Sector Gear Position Limit Switch >> Passenger Side >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK SECTOR GEAR POSITION LIMIT SWITCH INPUT SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect sector gear position limit switch (passenger side) connector.
    3. Check voltage between sector gear position limit switch (passenger side) connector and ground.
    (+) (-) Voltage (V)
    Sector gear position limit switch (passenger side)
    Connector Terminal
    B418 1 Ground Battery voltage
    NOTE:

    It is not low electric power consumption mode.

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK SECTOR GEAR POSITION LIMIT SWITCH (PASSENGER SIDE) SIGNAL CIRCUIT

    1. Disconnect seatback power return control unit connector.
    2. Check continuity between seatback power return control unit harness connector and sector gear position limit switch (passenger side) harness connector.
      Seatback power return control unit Sector gear position limit switch (passenger side) Continuity
      Connector Terminal Connector Terminal
      B414 19 B418 1 Yes
    3. Check continuity between seatback power return control unit harness connector and ground.
      Seatback power return control unit Ground Continuity
      Connector Terminal
      B414 19 No

    Is the inspection result normal?

    YES 

    Replace seatback power return control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

  3. CHECK SECTOR GEAR POSITION LIMIT SWITCH (PASSENGER SIDE) GROUND CIRCUIT

    1. Disconnect seatback power return control unit connector and seatback angle limit switch (passenger side) connector.
    2. Check continuity between seatback power return control unit harness connector and sector gear position limit switch (passenger side) harness connector.
      Seatback power return control unit Sector gear position limit switch (passenger side) Continuity
      Connector Terminal Connector Terminal
      B414 18 B418 2 Yes
    3. Check continuity between seatback power return control unit harness connector and ground.
      Seatback power return control unit Ground Continuity
      Connector Terminal
      B414 18 No

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness.

  4. CHECK SECTOR GEAR POSITION LIMIT SWITCH (PASSENGER SIDE)

    Check sector gear position limit switch (passenger side).

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Replace sector gear position limit switch (passenger side). Refer to EXPLODED VIEW .

  5. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.

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