Nissan Murano: Road Wheels & Tires :: Dtc/circuit Diagnosis / C1729 Vhcl Speed Sig Err

Nissan Murano (Z52) 2015-2024 Service Manual / Suspension / Road Wheels & Tires :: Dtc/circuit Diagnosis / C1729 Vhcl Speed Sig Err

DTC Description

NOTE:

The Signal Tech II Tool [– (J-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information.

  • Activate and display TPMS sensor IDs

  • Display tire pressure reported by the TPMS sensor

  • Read TPMS DTCs

  • Register TPMS sensor IDs

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
C1729

VHCL SPEED SIG ERR

(Nissan Murano Vehicle speed sensor error)
Diagnosis condition When ignition switch ON.
Signal (terminal) Nissan Murano Vehicle speed signal (—).
Threshold Nissan Murano Vehicle speed signal is not detected.
Diagnosis delay time

POSSIBLE CAUSE

  • CAN communication

  • Combination meter

  • BCM

FAIL-SAFE

DTC Confirmation Procedure

PERFORM SELF DIAGNOSTIC RESULT

CONSULT

  1. Drive at a speed of 25 MPH (40 km/h) or more for 3 minutes, and then drive the Nissan Murano vehicle at any speed for 10 minutes.

  2. Select “Self Diagnostic Result” mode of "BCM(AIR PRESSURE MONITOR)".

  3. Check DTC.

Is DTC C1729 detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

Inspection End.

DTC Diagnosis Procedure

NOTE:

The Signal Tech II Tool [– (J-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information.

  • Activate and display TPMS sensor IDs

  • Display tire pressure reported by the TPMS sensor

  • Read TPMS DTCs

  • Register TPMS sensor IDs

PERFORM SELF DIAGNOSTIC RESULT FOR COMBINATION METER

CONSULT

Select “Self Diagnostic Result” mode of “METER M&A”. Refer to Diagnosis Description.

Are any DTCs detected?

YES>>

Refer to DTC Index.

NO>>

GO TO 2.

CHECK BCM INPUT/OUTPUT SIGNAL

Check BCM input/output signal values. Refer to Reference Value.

Is the inspection result normal?

YES>>

Check pin terminal and connection of each harness connector for malfunctioning conditions.

NO>>

Replace the BCM. Refer to Removal and Installation.

    C1708 [no Data] Fl

    DTC Description NOTE: The Signal Tech II Tool [– (J-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information...

    C1734 Control Unit

    DTC Description NOTE: The Signal Tech II Tool [– (J-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information...

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    The autolight system allows the headlights to turn on and off automatically. The autolight system can:

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