DTC Logic
DTC DETECTION LOGIC
| DTC | Display Item | Malfunction detected condition | Possible causes |
| C1143 | ST ANG SEN CIRCUIT | When a malfunction is detected in steering angle sensor. |
|
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1143 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-96, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-57, "Wiring Diagram".
1.CONNECTOR INSPECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace as necessary.
2.CHECK STEERING ANGLE SENSOR MOUNTING CONDITION
Check steering angle sensor mounting condition.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.CHECK STEERING ANGLE SENSOR POWER SUPPLY

Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK STEERING ANGLE SENSOR POWER SUPPLY CIRCUIT


Is the inspection result normal? YES >> Perform trouble diagnosis for ignition power supply.
NO >> Repair or replace malfunctioning components.
5.CHECK STEERING ANGLE SENSOR GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace malfunctioning components.
6.CHECK CAN COMMUNICATION LINE
Check “STRG BRANCH LINE CIRCUIT”. Refer to LAN-90, "Diagnosis Procedure" (Type 1) or LAN-111, "Diagnosis Procedure" (Type 2).
Is the inspection result normal? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-136, "Removal and Installation".
NO >> Repair or replace malfunctioning components.
C1142 press sensor
C1144 incomplete steering angle sensor adjustmentComponent parts
Component Parts Location
Steering column (view with steering
wheel removed)
RH side of instrument panel (view with
instrument panel removed)
LH side of engine compartment
RH side of engine compartment
Left front wheel area
Brake pedal area
Left side of instrument pane ...
C1734 BCM
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 sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTC ...
NissanConnectSM with Mobile Apps
(if so equipped)
This vehicle is equipped with Smartphone Integration
technology. This allows many compatible
Smartphone applications to be displayed and
easily controlled through the vehicle’s touchscreen.
NOTE:
A compatible smartphone and registration
is required to use mobile applications or to
access ...