Nissan Sentra Service Manual: C1729 Vehicle speed signal

Nissan Sentra Service Manual / Suspension / Road wheels & Tires / DTC/Circuit diagnosis / C1729 Vehicle speed signal

DTC Logic

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 transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Register TPMS transmitter IDs

DTC DETECTION LOGIC

DTC	Display Item	Malfunction detected condition	Possible causes
C1729	VHCL SPEED SIG ERR	Vehicle speed signal not detected	CAN communication malfunction BCM Combination meter

DTC CONFIRMATION PROCEDURE

1.PERFORM SELF DIAGNOSTIC RESULTWith CONSULT

With CONSULT

Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more without stopping.
Stop the vehicle.
Perform вЂњSELF DIAGNOSTIC RESULTвЂќ.

Is DTC вЂњC1729вЂќ detected? YES >> Proceed to WT-32, "Diagnosis Procedure".

NO >> Inspection End.

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 transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Register TPMS transmitter IDs

1.PERFORM COMBINATION METER SELF DIAGNOSTIC RESULT

Perform вЂњSELF DIAGNOSTIC RESULTвЂќ for вЂњMETER/M&AвЂќ. Refer to MWI-17, "CONSULT With CONSULT

Perform вЂњSELF DIAGNOSTIC RESULTвЂќ for вЂњMETER/M&AвЂќ. Refer to MWI-17, "CONSULT Function (METER/ M&A)".

Are any DTCs detected? YES >> Refer to MWI-26, "DTC Index".

NO >> GO TO 2.

2.CHECK BCM INPUT/OUTPUT SIGNAL

Check the BCM input/output signal values. Refer to BCS-29, "Reference Value" (with Intelligent Key system) or BCS-97, "Reference Value" (without Intelligent Key system).

Is the inspection result normal? YES >> Check pin terminal and connection of each harness connector for malfunctioning conditions.

NO >> Replace the BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key system) or BCS-126, "Removal and Installation" (without Intelligent Key system).

C1716, C1717, C1718, C1719 Transmitter (pressure data)

DTC Logic 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 ...

Low tire pressure warning lamp

Component Function Check 1.CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second, ...

Other materials:

General maintenance
During the normal day-to-day operation of the vehicle, general maintenance should be performed regularly as prescribed in this section. If you detect any unusual sounds, vibrations or smells, be sure to check for the cause or have a NISSAN dealer do it promptly. In addition, you should notify ...

Cluster lid C
Removal and Installation - Cluster Lid C REMOVAL Remove cluster lid C lower. Refer to IP-20, "Removal and Installation - Cluster Lid C Lower". Remove the cluster lid C screws (A). Disconnect the harness connector from cluster lid C. Remove the center ventilator grill ...

Basic inspection
Diagnosis and repair workflow Workflow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW CUSTOMER Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred. >> GO TO 2. 2.SYMPTOM CHECK Verify symptoms. ...