Nissan Murano: Dtc/circuit Diagnosis / P0500 Vss

DTC Description

DESCRIPTION

ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM.

DTC DETECTION LOGIC

At 20 km/h (13 MPH), ECM detects the following status continuously for 5 seconds or more: The difference between a Nissan Murano vehicle speed calculated by a output speed sensor transmitted from TCM to ECM via CAN communication and the Nissan Murano vehicle speed indicated on the combination meter exceeds 15km/h (10 MPH).

POSSIBLE CAUSE

• Harness or connector

  (The CAN communication line is open or shorted.)

• Combination meter

• ABS actuator and electric unit (control unit)

• Wheel sensor

• TCM

• Output speed sensor

FAIL-SAFE

CHECK DTC PRIORITY

If DTC P0500 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.

Is applicable DTC detected?

Perform diagnosis of applicable.

• DTC UXXXX: Refer to DTC Index.

• DTC P0607: Refer to DTC Description.

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 10 V or more at idle.

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine.

2. Shift the selector lever to D range and wait at least for 2 seconds.

3. Drive the Nissan Murano vehicle at least 5 seconds at 20 km/h (13 MPH) or more.

   CAUTION:

   Always drive vehicle at a safe speed.

   NOTE:

   This procedure may be conducted with the drive wheels lifted in the shop or by driving the Nissan Murano vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.

4. Check 1st trip DTC.

Is 1st trip DTC detected?

Proceed to Diagnosis Procedure

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

Confirmation after repair: INSPECTION END

CHECK DTC PRIORITY

If DTC P0500 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.

Is applicable DTC detected?

Perform diagnosis of applicable.

• DTC UXXXX: Refer to DTC Index.

• DTC P0607: Refer to DTC Description.

GO TO 2.

CHECK DTC WITH TCM

Check DTC with TCM. Refer to CONSULT Function.

Is the inspection result normal?

GO TO 3.

Perform trouble shooting relevant to DTC indicated.

CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Check DTC with ABS actuator and electric unit (control unit). Refer to CONSULT Function.

Is the inspection result normal?

GO TO 4.

Perform trouble shooting relevant to DTC indicated.

CHECK DTC WITH COMBINATION METER

Check DTC with combination meter. Refer to CONSULT Function (METER/MA).

Is the inspection result normal?

GO TO 5.

Perform trouble shooting relevant to DTC indicated.

CHECK OUTPUT SPEED SENSOR

Check output speed sensor. Refer to Diagnosis Procedure.

Is the inspection result normal?

GO TO 6.

Replace or replace error-detected parts.

CHECK WHEEL SENSOR

Check wheel sensor. Refer to Diagnosis Procedure.

Is the inspection result normal?

INSPECTION END

Replace or replace error-detected parts.