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:

Cylinder head
Exploded View Cylinder head assembly Cylinder head bolt Cylinder head gasket Refer to INSTALLATION Removal and Installation REMOVAL Release fuel pressure. Refer to EC-143, "Work Procedure". Drain engine coolant and engine oil. Refer to CO-12, "Changing En ...

Rear bumper
Exploded view Rear bumper side bracket (LH) Rear bumper reinforcement Rear bumper energy absorber Rear bumper fascia reflector (LH) Rear bumper fascia reflector (RH) Rear bumper fascia Rear bumper side bracket (RH) Pawl Removal and installation CAUTION: Bumper fascia is ma ...

Keys
Remote keyless entry keyfob (if so equipped) Integrated door lock keyfob Key number plate CAUTION Do not leave the ignition key inside the vehicle when you leave the vehicle. A key number plate is supplied with your keys. Record the key number and keep it in a safe place (such as ...