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:

P1805 Brake switch
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P1805 BRAKE SW/CIRCUIT (Brake switch circuit) Stop lamp signal is not sent to ECM for extremely long time while the vehicle is drivi ...

Periodic maintenance
Road wheel Inspection ALUMINUM WHEEL Check tires for wear and improper inflation. Check wheels for deformation, cracks and other damage. If deformed, remove wheel and check wheel runout. Remove tire from aluminum wheel and mount wheel on a balancer machine. Set dial indicator as ...

Diagnosis and repair work flow
Work Flow 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 transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Register ...