Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2437-11 Spindle Motor Rh

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Door & Lock / Dtc/circuit Diagnosis :: B2437-11 Spindle Motor Rh

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC Detection Condition
B2437-11

Spindle motor RH

(Spindle motor right hand) 		Diagnosis condition All times
Signal (terminal) Spindle motor RH signal
Threshold Automatic back door control unit cannot detect the spindle motor RH signal
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • Harness or connector (spindle motor RH circuit is ground short)

  • Automatic back door control unit

  • Spindle unit RH

FAIL-SAFE

Inhibit automatic back door system (only operate back door closure function)

DTC CONFIRMATION PROCEDURE

DTC CONFIRMATION

CONSULT

  1. Ignition switch ON.

  2. Select “Self diagnosis result” mode of “AUTOMATIC BACK DOOR”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK SPINDLE MOTOR INPUT SIGNAL

Check signal between spindle unit RH harness connector and ground using oscilloscope.

(+) (–) Condition

Signal

(Reference value)

(Approx.)
Spindle unit RH
Connector Terminal
B73 1 Ground Back door Auto open operation

Auto close operation 0 – 1 V
7 Auto close operation

Auto open operation 0 – 1 V

Is the inspection result normal?

YES>>

Replace automatic back door control unit. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK SPINDLE MOTOR CIRCUIT

  1. Disconnect automatic back door control unit connector and spindle unit RH connector.

  2. Check continuity between automatic back door control unit harness connector and spindle unit RH harness connector.

    Automatic back door control unit Spindle unit RH Continuity
    Connector Terminal Connector Terminal
    B56 35 B73 1 Yes
    40 7

  3. Check continuity between automatic back door control unit harness connector and ground.

    Automatic back door control unit — Continuity
    Connector Terminal
    B56 35 Ground No
    40

Is the inspection result normal?

YES>>

Replace spindle unit RH. Refer to Removal and Installation.

NO>>

Repair or replace harness.

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