Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Chassis Control / Ecu Diagnosis Information. Chassis Control Module (with Built in Steering Angle Sensor)

Nissan Sentra B18 (2020-2025) Service Manual: Ecu Diagnosis Information. Chassis Control Module (with Built in Steering Angle Sensor)

Chassis Control Module (with Built in Steering Angle Sensor)

Dtc Index

DTC Index

Self Diagnostic Result
DTC	Display item		Refer to
C1B80-54	Calibration not completed	[MISSING CALIBRATION]	DTC Description
C1B92-82	BRAKE CONTROL SYSTEM	[SEQUENCE COUNTER INCORRECT]	DTC Description
C1B96-82	ADAS SYSTEM	[SEQUENCE COUNTER INCORRECT]	DTC Description
C1BB4-44	CONTROL MODULE	[DATA MEMORY ERROR]	DTC Description
C1BB4-46	CONTROL MODULE	[CALIB/PRMTER MEMORY ERROR]	DTC Description
C1BB4-47	CONTROL MODULE	[WATCHDOG/SAFETY μC ERROR]	DTC Description
C1BB4-49	CONTROL MODULE	[INTERNAL ELECTRONIC ERROR]	DTC Description
C1BB4-52	CONTROL MODULE	[NOT ACTIVATED]	DTC Description
C1BB5-1C	IGN POWER SUPPLY	[CIRC VOLTAGE OUT OF RANGE]	DTC Description
U1A4A-87	CAN communication	[MISSING MESSAGE]	DTC Description
U2148-83	CAN comm err (ABS control unit)	[PROTECT CALCULATION ERROR]	DTC Description
U2252-83	CAN comm err (ADAS control unit)	[PROTECT CALCULATION ERROR]	DTC Description

Network-DTC
DTC	Display item		Refer to
U0076-00	Control module comm Bus D Off	[NO SUBTYPE INFORMATION]	DTC Description
U0078-00	Control module comm Bus F Off	[NO SUBTYPE INFORMATION]	DTC Description
U2140-87	CAN comm err (ECM)	[MISSING MESSAGE]	DTC Description
U2141-87	CAN comm err (TCM)	[MISSING MESSAGE]	DTC Description
U2148-87	CAN comm err (ABS control unit)	[MISSING MESSAGE]	DTC Description
U214E-87	CAN comm err (combination meter)	[MISSING MESSAGE]	DTC Description
U214F-87	CAN comm err (BCM)	[MISSING MESSAGE]	DTC Description
U215B-87	CAN comm err (IPDM E/R)	[MISSING MESSAGE]	DTC Description

Physical Values

Physical Values

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal No. (Wire color)		Description		Condition		Value
+	-	Signal name	Input/Output	Condition		Value
3 (LA/GR)	Ground	IC CAN-H	-	-	-	-
4 (LA/Y)		IC CAN-L	-	-	-	-
5 (B)		Ground	-	-	-	-
6 (LA/GR)		Chassis CAN-H	-	-	-	-
7 (LA/G)		Chassis CAN-L	-	-	-	-
8 (V)		Ignition power supply	Input	Ignition switch ON		6.4 - 16 V

Values on the Diagnosis Tool

Values On The Diagnosis Tool

Note:

The following table includes information (items) inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.

Monitor item	Condition	Reference values in normal operation
IGN VOLT	Ignition switch ON	10 − 16 V
CONTROL MODULE MALF	When chassis control module (with built in steering angle sensor) is normal	Off
CONTROL MODULE MALF	When chassis control module (with built in steering angle sensor) malfunction is detected	On
Diag permission condition	When not communication	Not permission
	During communication	Permission
	When not used	Not Used
	When communication is malfunction	Abnormal
Nissan Sentra Vehicle SPEED	Vehicle stopped	0 km/h
Nissan Sentra Vehicle SPEED	Nissan Sentra Vehicle driving^*	Almost same reading as speedometer (Within ±10%)
FR WHEEL SPEED	Nissan Sentra Vehicle stopped	0 rpm
FR WHEEL SPEED	Nissan Sentra Vehicle driving^*	Increases according to Nissan Sentra vehicle speed
FL WHEEL SPEED	Nissan Sentra Vehicle stopped	0 rpm
FL WHEEL SPEED	Nissan Sentra Vehicle driving^*	Increases according to Nissan Sentra vehicle speed
RR WHEEL SPEED	Nissan Sentra Vehicle stopped	0 rpm
RR WHEEL SPEED	Nissan Sentra Vehicle driving^*	Increases according to Nissan Sentra vehicle speed
RL WHEEL SPEED	Nissan Sentra Vehicle stopped	0 rpm
RL WHEEL SPEED	Nissan Sentra Vehicle driving^*	Increases according to Nissan Sentra vehicle speed
STEERING ANG SENSOR	When Nissan Sentra vehicle driving straight	0±3.5 deg
	When steering wheel is steered to RH by 90°	Approx. +90 deg
	When steering wheel is steered to LH by 90°	Approx. −90 deg
DECEL G SENSOR	Nissan Sentra Vehicle stopped	Approx. 0 G
	When during acceleration	Positive value
	When during deceleration	Negative value
SIDE G SENSOR	Nissan Sentra Vehicle stopped	Approx. 0 G
	When right turn	Negative value
	When left turn	Positive value
YAW RATE SENSOR	Nissan Sentra Vehicle stopped	Approx. 0 deg/s
	When right turn	Negative value
	When left turn	Positive value
ACCELE PEDAL POSITION	When accelerator pedal is released	0%
ACCELE PEDAL POSITION	When accelerator pedal is depressed	0 − 100%
Throttle control	When electric throttle control actuator is normal	NORMAL
	When electric throttle control actuator does not achieve the requirement (measured value is inaccurate)	INCORR
	When electric throttle control actuator does not achieve the requirement (temporary prevention)	PREV
	When electric throttle control actuator does not achieve the requirement (impossible)	INPOSSI
SHIFT POSITION	Selector lever in any position	Indicates selected selector lever position
STOP LAMP SW	When brake pedal is not depressed	INACT
STOP LAMP SW	When brake pedal is depressed	ACTIVE
PRESS SENSOR	When brake pedal is not depressed	Approx. 0 bar
PRESS SENSOR	When brake pedal is depressed	0 − 255 bar
ABS	When ABS function is inactive	INACT
ABS	When ABS function is active	ACTIVE
ABS MALF	When ABS function is normal	Off
ABS MALF	When ABS function malfunction is detected	On
EBD	When EBD function is inactive	INACT
EBD	When EBD function is active	ACTIVE
TCS	When TCS function is inactive	INACT
TCS	When TCS function is active	ACTIVE
TCS MALF	When TCS function is normal	Off
TCS MALF	When TCS function malfunction is detected	On
VDC	When VDC function is inactive	INACT
VDC	When VDC function is active	ACTIVE
VDC MALF	When VDC function is normal	Off
VDC MALF	When VDC function malfunction is detected	On
VDC OFF SWITCH	When VDC OFF function is OFF	Off
VDC OFF SWITCH	When VDC OFF function is ON	On
AEB CVT PERMIT	When transaxle control is not authorized	Off
AEB CVT PERMIT	When transaxle control is authorized	On
AEB STATUS	When intelligent engine brake function is OFF	Off
AEB STATUS	When intelligent engine brake function is ON	On
AEB COMMAND 1	When intelligent engine brake function is inactive	0 – 0.1023 G
AEB COMMAND 1	When intelligent engine brake function is active	0 G
AEB COMMAND 2	When intelligent engine brake function is inactive	0 – 0.1023 G
AEB COMMAND 2	When intelligent engine brake function is active	0 G
AEB SLIP RATE	When slip ratio of intelligent engine brake function is inactive	0%
AEB SLIP RATE	When slip ratio of intelligent engine brake function is active	0 – 100%

* : Check the pressure under normal conditions.

Fail-Safe [chassis Control Module (with Built in Steering Angle Sensor)]

Fail-Safe [Chassis Control Module (With Built In Steering Angle Sensor)]

Refer to Fail-Safe [Chassis Control Module (With Built In Steering Angle Sensor)].

Dtc Inspection Priority Chart

DTC Inspection Priority Chart

When multiple DTCs are displayed simultaneously, check them one by one according to the following priority list.

Priority	Detected item (DTC)
1	U0076-00 Control module comm Bus D Off [NO SUBTYPE INFORMATION] U0078-00 Control module comm Bus F Off [NO SUBTYPE INFORMATION] U1A4A-87 CAN communication [MISSING MESSAGE]
2	U2140-87 CAN comm err (ECM) [MISSING MESSAGE] U2141-87 CAN comm err (TCM) [MISSING MESSAGE] U2148-83 CAN comm err (ABS control unit) [PROTECT CALCULATION ERROR] U2148-87 CAN comm err (ABS control unit) [MISSING MESSAGE] U214E-87 CAN comm err (combination meter) [MISSING MESSAGE] U214F-87 CAN comm err (BCM) [MISSING MESSAGE] U215B-87 CAN comm err (IPDM E/R) [MISSING MESSAGE] U2252-83 CAN comm err (ADAS control unit) [PROTECT CALCULATION ERROR]
3	C1B80-54 Calibration not completed [MISSING CALIBRATION]
4	C1B92-82 BRAKE CONTROL SYSTEM [SEQUENCE COUNTER INCORRECT] C1B96-82 ADAS SYSTEM [SEQUENCE COUNTER INCORRECT]
5	C1BB5-1C IGN POWER SUPPLY [CIRC VOLTAGE OUT OF RANGE]
6	C1BB4-44 CONTROL MODULE [DATA MEMORY ERROR] C1BB4-46 CONTROL MODULE [CALIB/PRMTER MEMORY ERROR] C1BB4-47 CONTROL MODULE [WATCHDOG/SAFETY μC ERROR] C1BB4-49 CONTROL MODULE [INTERNAL ELECTRONIC ERROR] C1BB4-52 CONTROL MODULE [NOT ACTIVATED]

 Diagnosis System [chassis Control Module (with Built in Steering Angle Sensor)]

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 Basic Inspection

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