Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U215b-87 Can Comm Err (ipdm E/r)

Nissan Rogue (T33) 2021-Present Service Manual / Restraints :: Srs Air Bag Control System / Dtc/circuit Diagnosis :: U215b-87 Can Comm Err (ipdm E/r)

DTC Description

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H-line, CAN L-line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC Detection Condition
U215B-87

CAN comm err (IPDM E/R)

[Controller area network communication error (Intelligent power distribution module engine room)] 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold Air bag diagnosis sensor unit cannot communicate CAN communication signal.
Diagnosis delay time 2 seconds or more.

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

CHECK SELF DIAGNOSIS RESULT

CONSULT

  1. Ignition switch ON and wait for 2 seconds or more.

  2. Perform “Self diagnosis result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part 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 CAN COMMUNICATION SYSTEM

Check CAN communication system. Refer to Trouble Diagnosis Flow Chart .

>>

Inspection End

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