Nissan Sentra Service Manual: 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 |
|
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 “SELF DIAGNOSTIC RESULT”.
Is DTC “C1729” 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
With CONSULT
Perform “SELF DIAGNOSTIC RESULT” for “METER/M&A”. 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:
Vehicle identification number (VIN) plate
The vehicle identification number (VIN) plate is
attached as shown. This number is the identification
for your vehicle and is used in the vehicle
registration.
Vehicle identification number (chassis number)
The vehicle identification number is located as
shown.
Engine serial number
...
Precautions For Engine Service
DISCONNECTING FUEL PIPING
Before starting work, check no fire or spark producing items are in the
work area.
Release fuel pressure before disconnecting and disassembly.
After disconnecting pipes, plug openings to stop fuel leakage.
DRAINING ENGINE COOLANT
Drain engine coolant and engi ...
Moonroof motor assembly
Exploded view
Headlining
Sun visor
Moonroof motor assembly
Front
Removal and installation
REMOVAL
Close the glass lid.
Remove the map lamp. Refer to INL-52, "Removal and Installation".
Remove the moonroof motor bolts (A).
Front
Disconnect the harness connec ...
