Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual: Ecu Diagnosis Information. Adas Control Unit 2

Adas Control Unit 2

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

Value/Status

MAIN SW

Ignition switch ON

When ICC MAIN switch is pressed

On

When ICC MAIN switch is not pressed

Off

SET/COAST SW

Ignition switch ON

When SET– switch is pressed

On

When SET– switch is not pressed

Off

CANCEL SW

Ignition switch ON

When CANCEL switch is pressed

On

When CANCEL switch is not pressed

Off

RESUME/ACC SW

Ignition switch ON

When RES+ switch is pressed

On

When RES+ switch is not pressed

Off

CRUISE OPE

Drive the Nissan Sentra vehicle and activate the vehicle-to-vehicle distance control mode

When ICC system is controlling

On

When ICC system is not controlling

Off

CRUISE LAMP

Start the engine and press ICC MAIN switch

ICC system ON

(MAIN switch indicator ON)

On

ICC system OFF

(MAIN switch indicator OFF)

Off

BRAKE SW

Ignition switch ON

When brake pedal is depressed

Off

When brake pedal is not depressed

On

STOP LAMP SW

Ignition switch ON

When brake pedal is depressed

On

When brake pedal is not depressed

Off

SET DISTANCE

  • Start the engine and turn the ICC system ON

  • Press the DISTANCE switch to change the Nissan Sentra vehicle-to-vehicle distance setting

When set to “long”

Long

When set to “middle”

Mid

When set to “short”

Short

VHCL SPEED SE

While driving

Displays the Nissan Sentra vehicle speed calculated by ADAS control unit 2

SET VHCL SPD

While driving

When Nissan Sentra vehicle speed is set

Displays the set Nissan Sentra vehicle speed

PWR SUP MONI

Engine running

Power supply voltage value of ADAS control unit 2

THRTL OPENING

Engine running

Depress accelerator pedal

Displays the throttle position

STP LMP DRIVE

At “STOP LAMP” test of “Active test”

When brake hold relay is activated

On

When brake hold relay is not activated

Off

CLUTCH SW SIG

Ignition switch ON

When clutch pedal is depressed

On

When clutch pedal is not depressed

Off

NP SW SIG

Ignition switch ON

When the shift lever is in neutral position

On

When the shift lever is in any position other than neutral

Off

Main SW 1

Ignition switch ON

When ICC MAIN switch is pressed

On

When ICC MAIN switch is not pressed

Off

FCW SYSTEM ON

Ignition switch ON

When the AEB system is ON

On

When the AEB system is OFF

Off

ITS setting item (FCW)

Note:

The item is displayed, but it is not used

DCA SELECT

Note:

The item is displayed, but it is not used

FCW SELECT

Note:

The item is displayed, but it is not used

DRIVE MODE STATS

Note:

The item is displayed, but it is not used

RELEASE SW NO

Ignition switch ON

When brake pedal is depressed

Off

When brake pedal is not depressed

On

RELEASE SW NC

Ignition switch ON

When brake pedal is depressed

On

When brake pedal is not depressed

Off

SL MAIN SW

Note:

The item is displayed, but it is not used

OFF-ROAD SW

Note:

The item is displayed, but it is not used

Shift position

  • Engine running

  • While driving

Displays the shift position

4WD SWITCH

Note:

The item is displayed, but it is not used

LDW SYSTEM ON

Ignition switch ON

When the LDW system is ON

On

When the LDW system is OFF

Off

LDP ON IND

Note:

The item is displayed, but it is not used

LANE DPRT W/L

Drive the Nissan Sentra vehicle and activate the LDW system

Lane departure warning lamp ON

On

Lane departure warning lamp OFF

Off

LDP SYSTEM ON

Note:

The item is displayed, but it is not used

Camera lost

Note:

The item is displayed, but it is not used

Turn signal

Ignition switch ON

Turn signal lamps OFF

OFF

Turn signal lamp LH blinking

LH

Turn signal lamp RH blinking

RH

Turn signal lamp LH and RH blinking

LH&RH

SIDE G

While driving

Nissan Sentra Vehicle turning right

Negative value

Nissan Sentra Vehicle turning left

Positive value

ITS setting item (LDW)

Note:

The item is displayed, but it is not used

LDP SELECT

Note:

The item is displayed, but it is not used

LDW SELECT

Note:

The item is displayed, but it is not used

ITS SETTING ITEM(LDP)

Note:

The item is displayed, but it is not used

ITS setting item (BSW)

Note:

The item is displayed, but it is not used

BSI SELECT

Note:

The item is displayed, but it is not used

BSW SELECT

Note:

The item is displayed, but it is not used

BSW/BSI WARN LMP

Ignition switch ON

When the BSW system is malfunctioning

On

When the BSW system is normal

Off

BSI ON IND

Note:

The item is displayed, but it is not used

BSW SYSTEM ON

Ignition switch ON

When the BSW system is ON

On

When the BSW system is OFF

Off

BSI SYSTEM ON

Note:

The item is displayed, but it is not used

ENGINE RPM

Engine running

Equivalent to tachometer reading

FEB/EAP SW

Engine running

Steering assist switch is ON

On

Steering assist switch is OFF

Off

LDP/LDW SW

Engine running

LDW system ON

On

LDW system OFF

Off

IGN power supply voltage

Ignition switch ON

Indicates IGN voltage

LDP/LDW SW indicator

Note:

The item is displayed, but it is not used

BSI/BSW SW indicator

Note:

The item is displayed, but it is not used

Motor

Ignition switch ON

When the motor is operates

On

When the motor is not operates

Off

Chassis dynamometer mode

Ignition switch ON

Chassis dynamometer mode ON

On

Chassis dynamometer mode OFF

Off

Active test status

Ignition switch ON

Active test is performing

On

Active test is not performing

Off

Nissan Sentra Vehicle speed

While driving

km/h

Torque sensor value

Note:

The item is displayed, but it is not used

Steering torque (factory)

Note:

The item is displayed, but it is not used

Steering torque (dealer)

Note:

The item is displayed, but it is not used

Steering torque (currently)

Note:

The item is displayed, but it is not used

Steering torque (measured)

Note:

The item is displayed, but it is not used

Steering torque rgstrtn stats

Note:

The item is displayed, but it is not used

Steering torque error cause

Note:

The item is displayed, but it is not used

Steering torque calib judgment

Note:

The item is displayed, but it is not used

Reference Value

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal No.

(Wire color)

Description

Condition

Value (Approx.)

+

Signal name

Input/Output

1

(LA/G)

Ground

Driver assistance buzzer signal

Output

Ignition switch ON

At “ADAS buzzer 2” test of “Active test”

5 V

Driver assistance buzzer OFF

0 V

2

(B)

Ground

Ignition switch ON

0 V

3

(LA/Y)

ITS CAN communication- L

6

(LA/LG)

Chassis CAN communication- L

9

(LA/GR)

Chassis CAN communication- H

12

(L)

Steering vibration motor signal

output

Ignition switch ON

At “Vibration motor” test of “Active test”

Battery voltage

Steering vibration motor OFF

0 V

13

(LA/R)

Driver assistance buzzer signal ground

Ignition switch ON

0 V

15

(LA/L)

ITS CAN communication- H

16

(BR)

Ignition power supply

Input

Ignition switch ON

Battery voltage

18

(LA/GR)

Chassis CAN communication2- H

21

(LA/Y)

Chassis CAN communication2-L

24

(W)

Steering vibration motor signal ground

Ignition switch ON

0 V

Fail-Safe (adas Control Unit)

Fail-safe (ADAS Control Unit)

Refer to Fail-safe (ADAS Control Unit 2).

Dtc Inspection Priority Chart

DTC Inspection Priority Chart

If multiple DTCs are detected simultaneously, check them one by one depending on the following DTC inspection priority chart.

Priority

Detected items (DTC)

1

  • C1F36-55: CONFIG UNFINISHED

  • U0077-00: Control module comm Bus E Off

  • U0078-00: Control module comm Bus F Off

  • U007B-00: Control module comm Bus I Off

2

  • C1F00-44: CONTROL UNIT

  • C1F00-45: CONTROL UNIT

  • C1F00-46: CONTROL UNIT

  • C1F00-47: CONTROL UNIT

  • C1F00-49: CONTROL UNIT

  • C1F01-49: CONTROL UNIT

  • C1F02-16: POWER SUPPLY CIR

  • C1F02-17: POWER SUPPLY CIR

  • C1F02-49: POWER SUPPLY CIR

  • C1F03–23: STOP LAMP RLY FIX

  • C1F03–62: STOP LAMP RLY FIX

  • C1F03–72: STOP LAMP RLY FIX

  • C1F04-23: BRAKE SW/STOP L SW

  • C1F04-48: BRAKE SW/STOP L SW

  • C1F04-62: BRAKE SW/STOP L SW

  • C1F1B-14: CONTROL UNIT

  • C1F1C-14: CONTROL UNIT

  • C1F1D-14: CONTROL UNIT

  • C1F1E-14: CONTROL UNIT

  • C1F1F-14: CONTROL UNIT

  • C1F40-04: ECM CIRCUIT

  • C1F40-82: ECM CIRCUIT

  • C1F40-83: ECM CIRCUIT

  • C1F41–04: CVT CIRCUIT

  • C1F41–62: CVT CIRCUIT

  • C1F41-82: CVT CIRCUIT

  • C1F48-04: VHCL SPEED SE CIRC

  • C1F48–08: VHCL SPEED SE CIRC

  • C1F48-29: VHCL SPEED SE CIRC

  • C1F48-62: VHCL SPEED SE CIRC

  • C1F48-82: VHCL SPEED SE CIRC

  • C1F48-83: VHCL SPEED SE CIRC

  • C1F4F-82: BCM CAN CIR 1

  • C1F54–82: AV CONTROL UNIT CAN CIR1

  • C1F54–83: AV CONTROL UNIT CAN CIR2

  • C1F56–49: STRG SEN CIR

  • C1F56–82: STRG SEN CIR

  • C1F56–83: STRG SEN CIR

  • C1F59–82: Electric power steering circuit

  • C1F59–83: Electric power steering circuit

  • C1F59–97: Electric power steering circuit

  • C1F5F–49: ICC SENSOR MALF

  • C1F5F–78: ICC SENSOR MALF

  • C1F5F–82: ICC SENSOR MALF

  • C1F5F–83: ICC SENSOR MALF

  • C1F5F–87: ICC SENSOR MALF

  • C1F5F–98: ICC SENSOR MALF

  • C1F5F–A2: ICC SENSOR MALF

  • C1F65-04: SONAR CAN COMMUNICATION 2

  • C1F65-82: SONAR CAN COMMUNICATION 2

  • C1F65-83: SONAR CAN COMMUNICATION 2

  • C1F6B-49: CAMERA UNIT MALF

  • C1F6B-4B: CAMERA UNIT MALF

  • C1F6B-54: CAMERA UNIT MALF

  • C1F6B–82: CAMERA UNIT MALF

  • C1F6B–83: CAMERA UNIT MALF

  • C1F76-82: CCM CIRCUIT

  • C1F76-83: CCM CIRCUIT

  • C1F76-97: CCM CIRCUIT

  • C1F89-04: SIDE RDR L CAN CIRC 2

  • C1F89–82: SIDE RDR L CAN CIRC 2

  • C1F89–83: SIDE RDR L CAN CIRC 2

  • C1F89-87: SIDE RDR L CAN CIRC 2

  • C1F8A-04: SIDE RDR R CAN CIRC 2

  • C1F8A–82: SIDE RDR R CAN CIRC 2

  • C1F8A–83: SIDE RDR R CAN CIRC 2

  • C1F8A-87: SIDE RDR R CAN CIRC 2

  • U2140-87: CAN comm err (ECM)

  • U2141-87: CAN comm err (TCM)

  • U2148-87: CAN comm err (brake control unit)

  • U214E-87: CAN comm err (combination meter)

  • U214F-87: CAN comm err (BCM)

  • U2150-87: CAN comm err (AIRBAG)

  • U2154-87: CAN comm err (MIU)

  • U2156-87: CAN comm err (steering angel sensor)

  • U2159-87: CAN comm err (steering control unit)

  • U215B-87: CAN comm err (IPDM E/R)

  • U216B-87: CAN comm err (front camera)

  • U2176-87: CAN comm err (CCM)

  • U225F-87: CAN comm err (laser/radar )

  • U226B-87: CAN comm err (front camera)

  • U2340-87: CAN comm err (ECM)

  • U2341-87: CAN comm err (TCM)

  • U2348-87: CAN comm err (brake control unit)

  • U234E-87: CAN comm err (combination meter)

  • U2355-87: CAN comm err (parking brake)

  • U2365-87: CAN comm err (sonar)

  • U236C-87: CAN comm err (side radar)

  • U236E-87: CAN comm err (side radar)

  • U2376-87: CAN comm err (CCM)

Dtc Index

DTC Index ×: Applicable
Self Diagnostic Result

DTC

Items

(CONSULT screen terms)

Fail-safe

Reference

Nissan Sentra Vehicle-to-vehicle distance control mode

Conventional (fixed speed) cruise control mode

AEB

LDW

TSR

BSW

I-DA

RCTA

I-FCW

RAB

C1F00

44

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

45

×

×

×

×

×

×

×

×

×

×

DTC Description

46

×

×

×

×

×

×

×

×

×

×

DTC Description

47

×

×

×

×

×

×

×

×

×

×

DTC Description

49

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F01

49

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F02

16

POWER SUPPLY CIR

×

×

×

×

×

×

×

×

×

×

DTC Description

17

×

×

×

×

×

×

×

×

×

×

DTC Description

49

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F03

23

STOP LAMP RLY FIX

×

×

DTC Description

62

×

×

DTC Description

72

×

×

×

×

DTC Description

C1F04

23

BRAKE SW/STOP L SW

×

×

DTC Description

48

×

DTC Description

62

×

×

×

×

DTC Description

C1F1B

14

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F1C

14

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F1D

14

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F1E

14

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F1F

14

CONTROL UNIT

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F36

55

CONFIG UNFINISHED

×

×

×

×

×

×

×

×

×

×

DTC Description

C1F40

04

ECM CIRCUIT

×

×

×

×

×

×

×

×

DTC Description

82

×

×

×

×

×

×

×

×

DTC Description

83

×

×

×

×

×

×

×

×

DTC Description

C1F41

04

CVT CIRCUIT

×

×

×

DTC Description

62

×

×

×

×

×

×

×

×

DTC Description

82

×

×

×

×

×

×

×

×

×

DTC Description

C1F48

04

VHCL SPEED SE CIRC

×

×

×

×

×

×

×

×

×

DTC Description

08

×

×

×

×

×

×

×

×

×

DTC Description

29

×

×

×

DTC Description

62

×

×

×

×

×

×

×

×

×

DTC Description

82

×

×

×

×

×

×

×

×

×

DTC Description

83

×

×

×

×

×

×

×

×

×

DTC Description

C1F4F

82

BCM CAN CIR 1

×

×

×

×

×

DTC Description

C1F54

82

AV CONTROL UNIT CAN CIR1

DTC Description

83

AV CONTROL UNIT CAN CIR2

DTC Description

C1F56

49

STRG SEN CIR

×

×

×

×

×

×

×

×

×

DTC Description

82

×

×

×

×

×

×

×

×

×

DTC Description

83

×

×

×

×

×

×

×

×

×

DTC Description

C1F59

82

Electric power steering circuit

×

DTC Description

83

×

DTC Description

97

×

×

DTC Description

C1F5F

49

ICC SENSOR MALF

×

×

×

×

DTC Description

78

×

×

×

×

DTC Description

82

×

×

×

×

DTC Description

83

×

×

×

×

DTC Description

87

×

×

×

×

DTC Description

98

×

×

×

×

DTC Description

A2

×

×

×

×

DTC Description

C1F65

04

SONAR CAN COMMUNICATION 2

×

×

×

DTC Description

82

×

×

×

DTC Description

83

×

×

×

DTC Description

C1F6B

49

CAMERA UNIT MALF

×

×

×

×

DTC Description

4B

×

×

×

×

DTC Description

54

×

×

×

×

DTC Description

82

×

×

×

×

DTC Description

83

×

×

×

×

DTC Description

C1F76

82

CCM CIRCUIT

×

×

×

×

×

DTC Description

83

×

×

×

×

×

DTC Description

97

×

×

×

×

×

DTC Description

C1F89

04

SIDE RDR L CAN CIRC 2

×

×

DTC Description

82

×

×

DTC Description

83

×

×

DTC Description

87

×

×

DTC Description

C1F8A

04

SIDE RDR R CAN CIRC 2

×

×

DTC Description

82

×

×

DTC Description

83

×

×

DTC Description

87

×

×

DTC Description

×: Applicable
Network-DTC

DTC

Items

(CONSULT screen terms)

Fail-safe

Reference

Nissan Sentra Vehicle-to-vehicle distance control mode

Conventional (fixed speed) cruise control mode

AEB

LDW

TSR

BSW

I-DA

RCTA

I-FCW

RAB

U0077

00

Control module comm Bus E Off

×

×

×

×

×

×

×

×

×

×

DTC Description

U0078

00

Control module comm Bus F Off

×

×

×

×

×

×

×

×

×

×

DTC Description

U007B

00

Control module comm Bus I Off

×

×

×

×

×

×

×

×

×

×

DTC Description

U2140

87

CAN comm err (ECM)

×

×

×

×

×

×

×

×

×

×

DTC Description

U2141

87

CAN comm err (TCM)

×

×

×

×

×

×

×

×

×

DTC Description

U2148

87

CAN comm err (brake control unit)

×

×

×

×

×

×

×

×

×

×

DTC Description

U214E

87

CAN comm err (combination meter)

×

×

×

×

×

×

×

×

×

×

DTC Description

U214F

87

CAN comm err (BCM)

×

×

×

×

×

×

×

×

×

×

DTC Description

U2150

87

CAN comm err (AIRBAG)

DTC Description

U2154

87

CAN comm err (MIU)

DTC Description

U2156

87

CAN comm err (steering angel sensor)

×

×

×

×

×

×

×

×

×

×

DTC Description

U2159

87

CAN comm err (steering control unit)

×

DTC Description

U215B

87

CAN comm err (IPDM E/R)

×

DTC Description

U216B

87

CAN comm err (front camera)

×

×

×

×

×

×

DTC Description

U2176

87

CAN comm err (CCM)

×

×

DTC Description

U225F

87

CAN comm err (laser/radar )

×

×

×

×

DTC Description

U226B

87

CAN comm err (front camera)

×

×

×

×

×

×

DTC Description

U2340

87

CAN comm err (ECM)

×

×

×

×

×

×

×

×

×

×

DTC Description

U2341

87

CAN comm err (TCM)

×

×

×

×

×

×

×

×

×

DTC Description

U2348

87

CAN comm err (brake control unit)

×

×

×

×

×

×

×

×

×

×

DTC Description

U234E

87

CAN comm err (combination meter)

×

×

×

×

×

×

×

×

×

×

DTC Description

U2355

87

CAN comm err (parking brake)

×

DTC Description

U2365

87

CAN comm err (sonar)

×

×

×

DTC Description

U236C

87

CAN comm err (side radar)

×

×

DTC Description

U236E

87

CAN comm err (side radar)

×

×

DTC Description

U2376

87

CAN comm err (CCM)

×

×

×

DTC Description

Note:

With the detection of Network-DTC some systems do not perform the fail-safe operation.

A system controlling based on a signal received from the control unit performs fail-safe operation when the communication with the ADAS control unit 2 becomes inoperable.

    Diagnosis System (adas Control Unit 2)
    Diagnosis Description Diagnosis Description APPLICATION ITEMS CONSULT performs the following functions via CAN communication using ADAS control unit 2. ...

    Other materials:

    Rear Door
    Exploded View Exploded View 1. Rear door panel 2. Grommet 3. Door stri ...

    Front Suspension :: Unit Disassembly and Assembly. Front Coil Spring and Strut
    Front Coil Spring and Strut Exploded View Exploded View 1. Steering knuckle 2. Strut 3. ...

    P044c Egr Volume Control Valve Position Sensor
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition ...