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:
Windshield wiper and washer switch
Switch operation
Type A
Type B
The windshield wiper and washer operates when
the ignition switch is placed in the ON position.
Push the lever down to operate the wiper at the
following speed:
Intermittent (INT) — intermittent operation
can be adjusted by turning the knob A .
Lo ...
Diagnosis system (BCM)
Common item
Common item : consult function (bcm - common item)
Application item
Consult performs the following functions via can communication with bcm.
Direct diagnostic mode
Description
Ecu identification
The bcm part number is displayed.
Self Diagnostic Result
...
Basic inspection
Diagnosis and repair workflow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> GO TO 2
2.CONFIRM THE SYMPTOM
Try to ...