Nissan Sentra Service Manual: C1143 Steering angle sensor
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
-
Turn ignition switch ON.
-
Perform self diagnostic result.
Is DTC C1143 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-80, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BRC-44, "Wiring Diagram".
1.CONNECTOR INSPECTION
-
Turn ignition switch OFF.
-
Disconnect ABS actuator and electric unit (control unit) and steering angle sensor connectors.
-
Check connectors and terminals for deformation, disconnection, looseness or damage.
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
-
Turn ignition switch OFF.
-
Disconnect steering angle sensor connector.
-
Turn ignition switch ON.
-
Check voltage between steering angle sensor connector M14 terminal 4 and ground.
Is the inspection result normal? Yes >> go to 4.
No >> check the following:
-
Repair or replace harness.
-
Fuse
4.Check steering angle sensor ground circuit
-
Turn ignition switch off.
-
Check continuity between steering angle sensor connector m14 terminal 1 and ground.
Is the inspection result normal? Yes >> go to 5.
No >> repair or replace malfunctioning components.
5.Check can communication line
Check “strg branch line circuit”. Refer to lan-66, "diagnosis procedure" (type 1) or lan-79, "diagnosis procedure" (type 2).
Is the inspection result normal? Yes >> replace abs actuator and electric unit (control unit). Refer to brc-110, "removal and installation".
No >> repair or replace malfunctioning components.
C1142 Press sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1142
PRESS SEN CIRCUIT
When a malfunction is detected in master cylinde ...
1144 Incomplete steering angle sensor adjustment
DTC Logic
Dtc detection logic
Dtc
Display item
Malfunction detected condition
Possible causes
C1144
St ang sen signal
When neutral position adjustment of steering angl ...
Other materials:
Tire Pressure Monitoring System (TPMS)
This vehicle is equipped with the Tire Pressure
Monitoring System (TPMS). It monitors tire pressure
of all tires except the spare. When the low
tire pressure warning light is lit, and the CHECK
TIRE PRES warning message is displayed in the
odometer, one or more of your tires is significantly
u ...
Brake pedal
Exploded View
WITHOUT BRAKE PEDAL POSITION SWITCH
Snap pin
Brake pedal assembly
Brake pedal pad
Stop lamp switch
Clip
Clevis pin
Apply multi-purpose grease.
WITH BRAKE PEDAL POSITION SWITCH
Snap pin
Brake pedal assembly
Brake pedal pad
Brake pedal position switch
...
Strg branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the steering angle sensor for
damage, bend and loose connection
(unit side and connector side).
Is the inspection result ...
