Nissan Rogue (T33) 2021-Present Service Manual: B24f6-93 Intake Door Motor

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Automatic Air Conditioning :: Dtc/circuit Diagnosis / B24f6-93 Intake Door Motor

DTC Description

DTC DETECTION LOGIC

NOTE:

If all of door motors DTC (B2480-93*, B24F5-93, B24F6-93, B24F7-93, B24F8-93) are detected, check “DOOR MOTOR”. Refer to Diagnosis Procedure.

*: With rear air control

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B24F6-93

Intake door motor

(Intake door motor) 		Diagnosis condition Ignition switch ON
Signal (Terminal) LIN (door motor) signal
Threshold Drive error of intake door motor is detected
Diagnosis delay time 2 second or more

POSSIBLE CAUSE

  • Harness and connector (intake door motor circuit is open or shorted to ground)

  • Intake door motor installation condition

  • Intake door motor

  • A/C amp.

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Start the engine.

  2. Select “Self diagnosis result” mode of “HVAC”.

  3. Check DTC.

Is DTC detected?

YES>>

Refer to 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 INTAKE DOOR MOTOR POWER SUPPLY

  1. Ignition switch ON.

  2. Check voltage between intake door motor harness connector and A/C amp. harness connector.

(+) (−) Voltage
Intake door motor A/C amp.
Connector Terminal Connector Terminal
M147 1 M55 58 Battery voltage

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

GO TO 5.

CHECK INTAKE DOOR MOTOR GROUND CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect intake door motor connector and A/C amp. connector.

  3. Check continuity between intake door motor harness connector and A/C amp. harness connector.

    Intake door motor A/C amp. Continuity
    Connector Terminal Connector Terminal
    M147 2 M54 27 Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair harness or connector.

CHECK INTAKE DOOR MOTOR LIN SIGNAL CIRCUIT

  1. Connect intake door motor connector and A/C amp. connector.

  2. Ignition switch ON.

  3. Confirm output waveform between intake door motor harness connector and A/C amp. harness connector with oscilloscope.

    (+) (−) Output waveform
    Intake door motor A/C amp.
    Connector Terminal Connector Terminal
    M147 3 M55 58

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 6.

CHECK INSTALLATION OF INTAKE DOOR MOTOR

Check intake door motor is properly installed. Refer to Exploded View.

Is the inspection result normal?

YES>>

Replace intake door motor. Refer to Removal and Installation.

NO>>

Repair or replace malfunctioning part.

CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect intake door motor connector and A/C amp. connector.

  3. Check continuity between intake door motor harness connector and A/C amp. harness connector.

    Intake door motor A/C amp. Continuity
    Connector Terminal Connector Terminal
    M147 1 M54 1 Yes

Is the inspection result normal?

YES>>

Replace A/C amp. Refer to Removal and Installation.

NO>>

Repair harness or connector.

CHECK INTAKE DOOR MOTOR LIN SIGNAL CIRCUIT FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect intake door motor connector and A/C amp. connector.

  3. Check continuity between intake door motor harness connector and A/C amp. harness connector.

    Intake door motor A/C amp. Continuity
    Connector Terminal Connector Terminal
    M147 3 M54 2 Yes

Is the inspection result normal?

YES>>

Replace A/C amp. Refer to Removal and Installation.

NO>>

Repair harness or connector.

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