Nissan Sentra B18 (2020-2025) Service Manual: C1711-7a Low Tire Pressure Fl
Dtc Description
DTC Description
Note:
The Signal Tech II Tool [– (NI-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 |
|
|---|---|---|---|
|
C1711-7A |
Low tire pressure FL (Low tire pressure front left) |
Diagnosis condition |
Drive at a speed of 25 MPH (40 km/h) or more reaches 10 minutes in total. |
|
Signal (terminal) |
Tire pressure sensor signal. |
||
|
Threshold |
Front left tire air pressure is 10 psi (70 kPa, 0.7 kg/cm2) or less. |
||
|
Diagnosis delay time |
10 minutes or more. |
||
POSSIBLE CAUSE
-
Front left tire air pressure is low
-
Front left tire is punctured
FAIL-SAFE
—
Dtc Confirmation Procedure
DTC Confirmation Procedure
-
PERFORM DTC CONFIRMATION
-
CONSULT-
Ignition switch ON.
CAUTION:
Never start the engine.
-
Check the tire pressure for all wheels and adjust to the specified value. Refer to Tire Air Pressure.
-
Select “Self Diagnostic Result� mode of “BCM(AIR PRESSURE MONITOR)�.
-
Drive the Nissan Sentra vehicle at 25 MPH (40 km/h) or more reaches 10 minuets in total.
-
Is DTC “C1711-7A" detected?
YES >>Refer to DTC Diagnosis Procedure.
NO >>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO >>Confirmation after repair: Inspection End.
-
Dtc Diagnosis Procedure
DTC Diagnosis Procedure
Note:
The Signal Tech II Tool [– (NI-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
-
TIRE PRESSURE SENSOR ID REGISTRATION
-
Perform tire pressure sensor ID registration. Refer to Work Procedure.
Is tire pressure sensor ID registration completed?
YES >>GO TO 2.
NO >>Replace front left tire pressure sensor. Refer to Removal and Installation.
-
-
CHECK TIRE PRESSURE
-
Check the tire pressure of all wheels. Refer to Tire Air Pressure.
Is the inspection result normal?
YES >>Perform “DTC Confirmation Procedure� (Self Diagnostic Result) again. Refer to DTC Confirmation Procedure.
NO >>GO TO 3.
-
-
CHECK TIRE PRESSURE SIGNAL
-
CONSULT-
Adjust tire pressure for all wheels to the specified value. Refer to Tire Air Pressure.
Note:
If the checked value is close to the standard, reduce the tire pressure, and then with the ignition switch ON, adjust the tire pressure again so that it is within the standard.
-
Select "AIR PRESS FL" in "Data Monitor" mode of "BCM(AIR PRESSURE MONITOR)".
-
Check that the front left tire pressures match the standard value. Refer to Values on the Diagnosis Tool.
-
Is the inspection result normal?
YES >>After erasing DTC record, Inspection End.
NO >>Replace front left tire pressure sensor. Refer to Removal and Installation.
-
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Diagnosis Chart by Symptom
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Symptom
Inspection item
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Ecu Diagnosis Information
Av Control Unit
Values on the Diagnosis Tool
Values on the Diagnosis Tool
Note:
The following table includes information (items)
inapplicable to this Nissan Sentra vehicle. For information (items) applicable to
this vehicle, refer to CONSULT display items.
...
Removal and Installation
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Exploded View
Exploded View
1.
AV control unit bracket
(LH)
2.
AV control unit
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