Nissan Rogue (T33) 2021-Present Service Manual: U1cb1-02 A/c Control 2 Communication

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Automatic Air Conditioning :: Dtc/circuit Diagnosis / U1cb1-02 A/c Control 2 Communication

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U1CB1-02

A/C control 2 communication

(Air conditioning control 2 communication) 		Diagnosis condition Ignition switch ON
Signal (Terminal) LIN (rear air control) signal
Threshold Receive internal circuit error message via rear air control to LIN communication
Diagnosis delay time 2 second or more

POSSIBLE CAUSE

Rear air control (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 rear air control. Refer to Removal and Installation.

NO>>

Inspection End.

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