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:
Washer tank
Exploded view
Washer tank inlet
Washer tank
Washer level switch
Washer tank seal
Washer pump
Removal and installation
REMOVAL
Drain the washer fluid.
Remove the front under cover. Refer to ext-30, "front under cover :
removal and installation".
Remove the fe ...
Rear disc brake
Exploded View
Sliding pin bolt
Bushing
Cap
Bleeder valve
Cylinder body
Piston seal
Piston
Piston boot
Sliding pin boot
Torque member
Apply rubber grease
Apply brake fluid
Disassembly and Assembly
DISASSEMBLY
Place a wooden block as shown, and blow air from union ...
The steering switch (meter control switch) is inoperative
Description
If any of the following malfunctions is found for the steering switch (meter
control switch) operation.
All switches are inoperative
The specified switch cannot be operated
Diagnosis procedure
1.Check steering switch signal circuit
Check the steering switch signal circuit. ...
