Nissan Rogue (T33) 2021-Present Service Manual: B24b4-02 A/c Control Comm

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Automatic Air Conditioning :: Dtc/circuit Diagnosis / B24b4-02 A/c Control Comm

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B24B4-02

A/C CONTROL COMM

(Air conditioning control communication) 		Diagnosis condition Ignition switch ON
Signal (Terminal) LIN (A/C switch assembly) signal
Threshold Receive internal circuit error message via A/C switch assembly to LIN communication
Diagnosis delay time 30 second or more

POSSIBLE CAUSE

A/C switch assembly (internal circuit malfunction)

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM SELF-DIAGNOSIS

CONSULT

  1. Ignition switch ON.

  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

PERFORM SELF DIAGNOSIS RESULT

CONSULT

  1. Ignition switch ON.

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

  3. Touch “ERASE”.

  4. Ignition switch OFF.

  5. Ignition switch ON.

  6. Perform “DTC CONFIRMATION PROCEDURE”. Refer to DTC Description.

Is DTC detected again?

YES>>

Replace A/C switch assembly. Refer to Removal and Installation.

NO>>

Inspection End.

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