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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 >> Seatback Angle 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 SEATBACK ANGLE LIMIT SWITCH (PASSENGER SIDE) INPUT SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect seatback angle limit switch (passenger side) connector.
    3. Check voltage between seatback angle limit switch (passenger side) harness connector and ground.
    (+) (-) Voltage (V)
    Seatback angle limit switch (passenger side)
    Connector Terminal
    B419 1 Ground Battery voltage
    NOTE:

    It is not low power consumption mode.

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK SEATBACK ANGLE LIMIT SWITCH (PASSENGER SIDE) CIRCUIT

    1. Disconnect seatback power return control unit connector.
    2. Check continuity between seatback power return control unit harness connector and seatback angle limit switch (passenger side) harness connector.
      Seatback power return control unit Seatback angle limit switch (passenger side) Continuity
      Connector Terminal Connector Terminal
      B414 27 B419 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 27 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 SEATBACK ANGLE LIMIT SWITCH (PASENGER SIDE) GROUND CIRCUIT

    1. Disconnect seatback power return control unit connector and sector gear position limit switch connector.
    2. Check continuity between seatback power return control unit harness connector and seatback angle limit switch (passenger side) harness connector.
      Seatback power return control unit Seatback angle limit switch (passenger side) Continuity
      Connector Terminal Connector Terminal
      B414 18 B419 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 SEATBACK ANGLE LIMIT SWITCH (PASSENGER SIDE)

    Check seatback angle limit switch (passenger side).

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Replace seatback angle limit switch (passenger side). Refer to EXPLODED VIEW .

  5. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.

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