Nissan Rogue (T33) 2021-Present Service Manual: U0431 Can Communication

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / U0431 Can Communication

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U0431 00

Invalid data (BCM A)

(Invalid Data Received From Body Control Module "A") 		Diagnosis condition Ignition switch ON
Signal (terminal) —
Threshold When ECM is not receiving invalid CAN data signal of OBD (emission-related diagnosis) with USM.
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • Harness or connectors (CAN communication line is open or shorted.)

  • BCM

FAIL-SAFE

Engine Control System

Not applicable

Stop/Start System

When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited. When ECM detects error while operating the stop/start system, ECM restarts the engine.

DTC Confirmation Procedure

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.

  2. Turn ignition switch ON.

  3. Turn ignition switch OFF and wait at least 10 seconds.

>>

2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 10 seconds.

  2. Check DTC.

Is DTC detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

Perform trouble diagnosis of CAN communication system. Refer to Trouble Diagnosis Flow Chart.

    U042f Can Communication
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition U042F 00 Communication error (invalid) (Invalid data received fr...
    U0469 Can Communication
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition U0469 00 Invalid data (starter/generator C/U) (Invalid Data Rece...

    Other materials:

    Other supplemental front-impact air bag precautions
    WARNING Do not place any objects on the steering wheel pad or instrument panel. Do not place objects between any occupant and the steering wheel or instrument panel. These may turn into dangerous projectiles if the front air bags deploy. Do not place sharp-edged objects or heavy items on ...

    A/f Sensor 1 Heater
    Component Inspection CHECK AIR FUEL RATIO (A/F) SENSOR 1 Turn ignition switch OFF. Disconnect A/F sensor 1 harness connector. Check resistance between A/F sensor 1 terminals as per the following. A/F sensor 1 Resistance + − Terminal 3 4 1.8 - 2.44 Ω [at 20°C ( ...

    P14a9 Charge Air Cooler Cooling Electric Water Pump
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P14A9 Charge air cooler cooling electric W/P (Charge air cooler cooling electric water pump) Diagnosis condition Engine running at idle Warm-up conditio ...