Nissan Sentra B18 (2020-2025) Service Manual: Ecu Diagnosis Information. Adas Control Unit 2
Adas Control Unit 2
Values on the Diagnosis Tool
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 |
|
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 |
|
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
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)
Refer to Fail-safe (ADAS Control Unit 2).
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 |
|
|
|
2 |
|
|
Dtc Index
|
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 |
||
|
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 |
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
...