Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U1ca3-08 Lin Communication 4

Nissan Rogue (T33) 2021-Present Service Manual / Body Interior :: Seat / Dtc/circuit Diagnosis :: U1ca3-08 Lin Communication 4

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)
DTC detection condition
U1CA3-08

LIN communication 4

(Local interconnect network communication 4)
Diagnosis condition Engine running
Signal (terminal) LIN (heated seat) signal (terminal #45)
Threshold A/C amp. is not transmitting or receiving LIN communication with each seat heater
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • Fuse

  • Harness or connectors (seat heater circuit is open or short to ground)

  • Each seat cushion heater

  • 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”.

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 DTC

CONSULT

  1. Start the engine.

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

  3. Check following DTC.

    DTC

    Items

    (CONSULT screen terms)
    Reference
    U1CA6-02 FRONT SEAT HEATER RH COMMUNICATION DTC Description
    U1CA7-02 FRONT SEAT HEATER LH COMMUNICATION DTC Description
    U1CA8-02 REAR SEAT HEATER RH COMMUNICATION DTC Description
    U1CA9-02 REAR SEAT HEATER LH COMMUNICATION DTC Description

Is DTC detected?

YES>>

Perform DTC diagnosis procedure that is detecting.

NO>>

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

    Dtc/circuit Diagnosis. B2490-19 Front Seat Heater Lh
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition B2490-19 FRONT SEAT HEATER LH (Front seat heater LH) Diagnos...
    Dtc/circuit Diagnosis. U1ca6-02 Front Seat Heater Rh Communication
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition U1CA6-02 FRONT SEAT HEATER RH COMMUNICATION (Front seat heat...

    Other materials:

    Dtc/circuit Diagnosis. C1731-16 Tire Pressure Sensor Fl
    DTC Description NOTE: The Signal Tech II Tool [– (NI-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS sensor IDs Display tire pressure reported by the TPMS sensor Read TPMS DTCs ...

    Removal and Installation. Inside Key Antenna
    Japan Production Models Removal and Installation REMOVALRemove luggage rear plate. Refer to Removal and Installation. Remove inside key antenna fixing clips , and then remove inside key antenna . INSTALLATIONNote the following items, and then install in the reverse order of removal.CAUTION: N ...

    Eps/dast 3 Branch Line Circuit (chasssis Can Communication 1 Circuit)
    Diagnosis Procedure CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side). Power steering control module Harnes ...