Nissan Rogue (T33) 2021-Present Service Manual: U1ca1-08 Lin Communication 2

Nissan Rogue (T33) 2021-Present Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning Control System / Automatic Air Conditioning :: Dtc/circuit Diagnosis / U1ca1-08 Lin Communication 2

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U1CA1-08

LIN communication 2

(Local interconnect network communication 2) 		Diagnosis condition Ignition switch ON
Signal (Terminal) LIN (A/C control) signal
Threshold A/C amp. is not transmitting or receiving LIN communication with A/C switch assembly or rear air control (with rear air control)
Diagnosis delay time 2 second or more

POSSIBLE CAUSE

  • A/C switch assembly

  • Rear air control (with rear air control)

  • A/C amp.

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

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

CHECK DTC

CONSULT

  1. Ignition switch ON.

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

  3. Check following DTC.

    DTC

    Items

    (CONSULT screen terms)     		Reference
    B24B4-02 A/C CONTROL COMM DTC Description
    U1CB1-02 A/C control 2 communication DTC Description

Is DTC detected?

YES>>

Perform DTC diagnosis procedure that is detecting.

NO>>

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

    B24f8-93 Air Mix Door Motor 2
    DTC Description DTC DETECTION LOGICNOTE: If all of door motors DTC (B2480-93*, B24F5-93, B24F6-93, B24F7-93, B24F8-93) are detected, check “DOOR MOTOR”. Refer to Diagnosis P...
    U1ca2-08 Lin Communication 3
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition U1CA2-08 LIN communication 3 (Local interconnect network com...

    Other materials:

    U012e Can Communication
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition U012E 00 Communication error (lost) (Lost communication with camshaft position control module) Diagnosis condition Engine running at idle Signal (terminal) C ...

    Steering Switch Signal B Circuit
    Component Function Check CHECK COMBINATION METER INPUT SIGNAL CONSULT Ignition switch ON. Select “Steering switch input” in “Data monitor” mode of “M&A”. Check that the function operates normally according to the following conditions: Condition Value CONTRO ...

    Reporting safety defects
    For USA If you believe that your vehicle has a defect that could cause a crash or lead to injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying NISSAN. This applies whether you drive a Nissan Rogue or another NISSAN model. ...