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:

Tilt operation
Pull the lock lever down 1 and adjust the steering wheel up or down 2 to the desired position. Push the lock lever up 1 firmly to lock the steering wheel in place. WARNINGDo not adjust the steering wheel while driving. You could lose control of your vehicle and cause an accide ...

C1109 Power and ground system
DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1109 BATTERY VOLTAGE [ABNORMAL] When ignition voltage is 10 V or less. When ignition voltage is 16 V or more. Harness or connector ...

System description
Component parts Component parts location Instrument lower finisher Eco mode switch The eco mode switch is installed to the instrument lower finisher. When the ECO mode indicator lamp on the combination meter is OFF and the ECO mode switch is pressed, the ECO mode is active and ...