Nissan Rogue (T33) 2021-Present Service Manual: U2118 Can Comm Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / U2118 Can Comm Circuit

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2118 87

CAN comm err (Intelligent Key)

[CAN comm err (Intelligent Key)] 		Diagnosis condition Ignition switch ON
Signal (terminal) CAN communication signal
Threshold ECM is not receiving CAN communication signal other than OBD (emission related diagnosis).
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

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

  • ECM

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC U2118 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.

Is DTC P0607 detected?

YES>>

Proceed to DTC Description.

NO>>

GO TO 2.

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.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 3 seconds.

  2. Check 1st trip DTC.

Is DTC U2118 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

Diagnosis Procedure

CHECK DTC PRIORITY

If DTC U2118 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.

Is DTC P0607 detected?

YES>>

Proceed to DTC Description.

NO>>

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

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