Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B242a-12 Closure Motor

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Door & Lock / Dtc/circuit Diagnosis :: B242a-12 Closure Motor

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC Detection Condition
B242A-12

Closure motor

(Closure motor) 		Diagnosis condition All times
Signal (terminal) Closure motor signal
Threshold When automatic back door control unit detect power short of closure motor circuit
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • Harness or connector (closure motor circuit is power short)

  • Automatic back door control unit

  • Back door lock assembly (closure motor)

FAIL-SAFE

Inhibit automatic back door system all 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 BACK DOOR CLOSURE MOTOR INPUT SIGNAL

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

(+) (–) Condition

Voltage

(Approx.)
Automatic back door control unit
Connector Terminal
B56 33 Ground Back door closure motor Open operation Battery voltage
Other than above 5 V
34 Close operation Battery voltage
Other than above 5 V

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 5.

CHECK CONNECTOR

  1. Ignition switch OFF.

  2. Check the automatic back door control unit harness connector for disconnection or looseness.

  3. Check the touch sensor RH harness connector for disconnection or looseness.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair/replace harness or connector, securely lock the connector, and GO TO 5.

CHECK AUTOMATIC BACK DOOR CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

Check the automatic back door control unit power supply and ground circuits. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair/replace harness, connector, fuse, or fusible link, and GO TO 5.

CHECK TERMINAL

  1. Ignition switch OFF.

  2. Disconnect automatic back door control unit harness connector and then check the automatic back door control unit pin terminals for damage or loose connection with harness connector.

  3. Disconnect touch sensor RH harness connector and check touch sensor RH pin terminal for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

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

NO>>

Repair/replace harness, connector, or terminal.

CHECK BACK DOOR CLOSURE MOTOR CIRCUIT

  1. Disconnect automatic back door control unit connector and back door lock assembly connector.

  2. Check voltage between automatic back door control unit harness connector and ground.

    Automatic back door control unit —

    Voltage

    (Approx.)
    Connector Terminal
    B56 33 Ground 0 V
    34

Is the inspection result normal?

YES>>

Replace back door lock assembly. Refer to Removal and Installation.

NO>>

Repair or replace harness.

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