Nissan Maxima Service and Repair Manual: B2113 reclining motor

Nissan Maxima Service and Repair Manual / Body interior / Automatic drive positioner / DTC/circuit diagnosis / B2113 reclining motor

Description

  • The seat reclining motor is installed to the seatback assembly.
  • The seat reclining motor is activated with the driver seat control unit.
  • Tilts the seatback forward/backward by changing the rotation direction of reclining motor.

DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2113 SEAT RECLINING The driver seat control unit detects the output of reclining motor output terminal for 0.1 second or more even if the reclining switch is not input
  • Driver seat control unit
  • Front power seat LH (reclining motor) harness is shorted

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON.
  2. Check "Self diagnostic result" with CONSULT.

Is the DTC is detects?

Diagnosis Procedure

Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".

1.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON.
  2. Check "Self diagnostic result" with CONSULT.
  3. Erase the DTC.
  4. Perform DTC confirmation procedure. Refer to ADP-41, "DTC Logic".

Is the DTC displayed again?

2.CHECK RECLINING MOTOR CIRCUIT (POWER SHORT)

  1. Turn ignition switch OFF.
  2. Disconnect reclining motor and driver seat control unit connector.
  3. Check voltage between reclining motor harness connector and ground.

Nissan Maxima. CHECK RECLINING MOTOR CIRCUIT (POWER SHORT)

Is the inspection result normal?

3.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

  1. Connect driver seat control unit connector.
  2. Check voltage between driver seat control unit harness connector and ground.

Nissan Maxima. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

Is the inspection result normal?

4.CHECK INTERMITTENT INCIDENT

Refer to GI-41, "Intermittent Incident".

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