Nissan Rogue (T33) 2021-Present Service Manual: U2140-87 Can Comm Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / U2140-87 Can Comm Circuit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2140-87

CAN comm err (ECM)

[Control Area Network communication error (ECM)] 		Diagnosis condition When ignition switch is ON
Signal (terminal) CAN communication signal
Threshold Sonar control unit cannot communicate CAN communication signal
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

—

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Turn ignition switch ON.

  2. Turn ignition switch OFF and wait for 30 seconds.

  3. Turn ignition switch ON and wait at least 2 seconds or more.

  4. Select “Self Diagnostic Result” mode of “SONAR” using CONSULT.

  5. Check DTC.

Is DTC U2140-87 detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

With CONSULT

  1. Turn ignition switch ON.

  2. Erase DTC.

  3. Perform DTC confirmation procedure again. Refer to DTC Description.

Is DTC U2140-87 detected again?

YES>>

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

NO>>

INSPECTION END

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