Nissan Sentra Service Manual: C1113, C1145, C1146 Yaw rate/side/decel G Sensor

Nissan Sentra Service Manual / Brakes / Brake control system / Dtc/circuit diagnosis / C1113, C1145, C1146 Yaw rate/side/decel G Sensor

DTC Logic

DTC DETECTION LOGIC

DTC	Display Item	Malfunction detected condition	Possible causes
C1113	G SENSOR	When a malfunction is detected in longitunal G sensor signal.	ABS actuator and electric unit (control unit)
C1145	YAW RATE SENSOR	When a malfunction is detected in yaw rate signal. When yaw rate signal is not continuously received for 2 seconds or more. When side G signal is not continuously received for 2 seconds or more. When decel G signal is not continuously received for 2 seconds or more.
C1146	SIDE G-SEN CIRCUIT	When a malfunction is detected in side/decel G signal.

DTC CONFIRMATION PROCEDURE

1.CHECK SELF DIAGNOSTIC RESULT

With CONSULT

Turn ignition switch OFF to ON.
Perform self diagnostic result.

Is DTC C1113, C1145 or C1146 detected? YES >> Proceed to diagnosis procedure. Refer to BRC-67, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Replace ABS actuator and electric unit (control unit).

>> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".

C1111 PUMP MOTOR

DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1111 PUMP MOTOR When a malfunction is detected in motor or mot ...

C1115 ABS Sensor [abnormal signal]

DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1115 ABS SENSOR [ABNORMAL SIGNAL] When difference in wheel speed betw ...

Other materials:

Abs 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 ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side). ...

ECU diagnosis information
TCM Reference Value CONSULT DATA MONITOR STANDARD VALUE NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. In CONSULT, electric shift timing or lock-up timing, i.e. op ...

Component parts
Component Parts Location EPS control unit (view with steering column removed from vehicle) EPS motor (view with steering column removed from vehicle) Torque sensor (view with steering column removed from vehicle) ABS actuator and electric unit (control unit) EC ...