Nissan Murano: Dtc/circuit Diagnosis / U1000 Can Comm Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Brakes / Brake Control System :: Vdc/tcs/abs / Dtc/circuit Diagnosis / U1000 Can Comm Circuit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen item

(Trouble diagnosis content)
DTC detected condition
U1000

CAN COMM CIRCUIT

(CAN communication circuit)
Diagnosis condition
  • When ignition switch ON.

  • When power supply voltage is normal.

Signal (terminal) CAN communication signal
Threshold When CAN communication signal is not continuously transmitted or received.
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC CRNT DTC
  • Harness or connector

  • CAN communication line

CAN communication system malfunction

FAIL-SAFE

The following functions are suspended:

  • VDC function

  • TCS function

  • Brake assist function

  • Hill start assist function

DTC Confirmation Procedure

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

CHECK DTC DETECTION

CONSULT

  1. Ignition switch OFF.

    NOTE:

    Wait at least 10 seconds after ignition switch OFF.

  2. Start the engine.

    NOTE:

    Wait at least 10 seconds after start the engine.

  3. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “U1000” detected?

YES>>

“CRNT” is displayed: Proceed to DTC Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of “Self Diagnostic Result” mode of “ABS”.)

NO>>

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

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

Proceed to Trouble Diagnosis Flow Chart.

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