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Nissan Pathfinder Owners & Service Manuals

Nissan Pathfinder: Meter, Warning Lamp & Indicator - Ecu Diagnosis Information

Nissan Pathfinder (R53) 2022-2025 Service Manual / Driver Information & Multimedia :: Meter, Warning Lamp & Indicator / 7 Inch Information Display Meter / Ecu Diagnosis Information

Combination Meter Nissan Pathfinder

Values On The Diagnosis Tool

NOTE:

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

Monitor Item Condition Value/Status

SPEED METER

[mph or km/h] 		Ignition switch ON While driving Input value of Nissan Pathfinder vehicle speed signal (CAN communication signal)

SPEED OUTPUT

[mph or km/h] 		Ignition switch ON While driving Output value of Nissan Pathfinder vehicle speed signal (CAN communication signal)

ODO OUTPUT

[mph or km/h] 		Ignition switch ON — Output value of odometer signal (CAN communication signal)

TACHO METER

[rpm] 		Ignition switch ON Engine running Input value of engine speed signal (CAN communication signal)

FUEL METER

[L] 		Ignition switch ON — Input value of fuel level sensor signal

W TEMP METER

[°F or °C] 		Ignition switch ON — Input value of engine coolant temperature signal (CAN communication signal)
ABS W/L Ignition switch ON ABS warning lamp ON On
ABS warning lamp OFF Off
VDC/TCS IND Ignition switch ON VDC OFF indicator lamp ON On
VDC OFF indicator lamp OFF Off
SLIP IND Ignition switch ON VDC warning lamp ON On
VDC warning lamp OFF Off
BRAKE W/L Ignition switch ON Brake warning lamp ON On
Brake warning lamp OFF Off
E-PKB warning lamp Ignition switch ON Electric parking brake warning lamp ON On
Electric parking brake warning lamp OFF Off
HI-BEAM IND Ignition switch ON High beam indicator lamp ON On
High beam indicator lamp OFF Off
TURN IND Ignition switch ON Turn signal indicator lamp ON On
Turn signal indicator lamp OFF Off
FR FOG IND Ignition switch ON Front fog lamp indicator lamp ON On
Front fog lamp indicator lamp OFF Off
LIGHT IND Ignition switch ON Position lamp indicator lamp ON On
Position lamp indicator lamp OFF Off
OIL W/L Ignition switch ON During engine oil pressure warning indication On
Except during engine oil pressure warning indication Off
MIL Ignition switch ON Malfunction indicator lamp ON On
Malfunction indicator lamp OFF Off
BA W/L Ignition switch ON AEB warning lamp ON On
AEB warning lamp OFF Off
WASHER W/L Ignition switch ON During low washer warning indication On
Except during low washer warning indication Off
AIR PRES W/L Ignition switch ON Low tire pressure warning lamp ON On
Low tire pressure warning lamp OFF Off
EPS W/L Ignition switch ON Electric power steering warning lamp ON On
Electric power steering warning lamp OFF Off
DDS IND Ignition switch ON

NOTE:

This item is displayed, but cannot be monitored.

 Off
CHAGE W/L Ignition switch ON 12V battery charge warning lamp ON On
12V battery charge warning lamp OFF Off
E-PKB indicator Ignition switch ON Electric parking brake indicator lamp ON On
Electric parking brake indicator lamp OFF Off
BRAKE OIL SW Ignition switch ON Brake fluid level switch ON On
Brake fluid level switch OFF Off
PASS BUCKLE SW Ignition switch ON Passenger seat belt not fastened On
Passenger seat belt fastened Off
CHG CONCT DET Ignition switch ON

NOTE:

This item is displayed, but cannot be monitored.

 Off

DISTANCE

[km] or [mile] 		Ignition switch ON — Distance to empty

OUTSIDE TEMP

[°C or °F] 		Ignition switch ON — Displays the ambient air temperature which is input from the ambient sensor.
BUZZER Ignition switch ON Buzzer ON On
Buzzer OFF Off
STRG SW INPUT Ignition switch ON Control switch is pressed SW1
Scroll dial is rotated upward SW2
Scroll dial is rotated downward SW3
OK switch is pressed SW4
LEFT/BACK switch is pressed SW5
RIGHT switch is pressed SW6
VOLUME DOWN switch is pressed SW7
VOLUME UP switch is pressed SW8
TEL switch is pressed SW9
VR switch is pressed SW10
SEEK DOWN switch is pressed SW11
SEEK UP switch is pressed SW12
Other than above NO INPUT
HI-BEAM ASST IND Ignition switch ON High beam assist indicator lamp ON On
High beam assist indicator lamp OFF Off
DIPPED BEAM IND Ignition switch ON

NOTE:

This item is displayed, but cannot be monitored.

 Off
Engine Off timer Ignition switch ON

NOTE:

This item is displayed, but cannot be monitored.

 0
Nissan Pathfinder Vehicle distance Ignition switch ON

NOTE:

This item is displayed, but cannot be monitored.

 0
EAPM status Ignition switch ON

NOTE:

This item is displayed, but cannot be monitored.

 No spprt

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal No.

(Wire color) 		Description Condition

Value

(Approx.)
+ – Signal name

Input/

Output

1

(R) 		Ground Illumination control signal Output Ignition switch ON

  • Lighting switch 1ST position

  • When meter illumination is minimum

— Battery voltage

  • Lighting switch 1ST position

  • When meter illumination is step 11

  • Lighting switch 1ST position

  • When meter illumination is maximum

 0 V

3

(LA/G) 		Ground Master speaker signal Output

[Ignition switch ON]

  • Sound output

 Outputs waveform synchronized with sound.

4

(LA/L) 		Ground Master speaker ground — Ignition switch ON — —

5

(LA/W) 		Ground Battery power supply Input Ignition switch OFF — Battery voltage

6

(LA/BG) 		Ground Ignition signal Input Ignition switch ON — Battery voltage

7

(B) 		Ground Ground — — — 0 V

12

(GR) 		Ground

Nissan Pathfinder Vehicle speed signal

(8-pulse) 		Output Ignition switch ON Speedometer operated [When Nissan Pathfinder vehicle speed is approx. 25 MPH (40 km/h)]

NOTE:

The maximum voltage varies depending on the specification (destination unit).

15

(P) 		Ground Washer fluid level switch signal Input Ignition switch ON Washer fluid level switch ON 0 V
Washer fluid level switch OFF Battery voltage

18

(L) 		Ground CAN-High — — — —

19

(R) 		Ground CAN-Low — — — —

23

(BG) 		Ground Steering switch signal B Input Ignition switch ON Keep pressing VOLUME DOWN switch 0 V
Keep pressing VOLUME UP switch 0.3 V
Keep pressing TEL switch 0.6 V
Keep pressing VR switch 1.1 V
Keep pressing SEEK DOWN switch 2.0 V
Keep pressing SEEK UP switch 3.3 V
Other than the above 5.0 V

25

(BR) 		Ground Illumination control switch signal (+) Input Ignition switch ON Illumination control switch (+) is pressed 0 V
Other than the above 5.0 V

28

(G) 		Ground Brake fluid level switch signal Input Ignition switch ON Brake fluid level low 5.0 V
Brake fluid level normal Battery voltage

29

(P) 		Ground Ambient sensor signal Input Ignition switch ON Changes depending to ambient temperature.

30

(LG) 		Ground Ambient sensor ground — Ignition switch ON — 0 V

31

(Y) 		Ground Illumination control switch signal (−) Input Ignition switch ON Illumination control switch (−) is pressed 0 V
Other than the above 5.0 V

32

(G) 		Ground Illumination control switch ground — Ignition switch ON — 0 V

33

(P) 		Ground Steering switch signal A Input Ignition switch ON Keep pressing control switch 0 V
Keep rotating scroll dial upward 0.3 V
Keep rotating scroll dial downward 0.6 V
Keep pressing OK switch 1.1 V
Keep pressing LEFT/BACK switch 2.0 V
Keep pressing RIGHT switch 3.3 V
Other than the above 5.0 V

34

(GR) 		Ground Steering switch ground — Ignition switch ON — 0 V

35

(LA/W) 		Ground Fuel level sensor signal Input Ignition switch ON Fuel gauge indication position Full Less than 94.5 Ω
3/4 140 Ω
1/2 186 Ω
1/4 232 Ω
1/8 255 Ω
Empty More than 278 Ω

36

(LA/R) 		Ground Fuel level sensor ground — Ignition switch ON — 0 V

39

(LG) 		Ground AV communication signal low — — — —

40

(SB) 		Ground AV communication signal high — — — —

Fail-Safe

The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.

Function Specifications
Speedometer Reset to zero by suspending communication.
Tachometer
Engine coolant temperature gauge

  • When reception time of an abnormal signal is 60 seconds or less, the last value received.

  • When reception time of an abnormal signal is more than 60 seconds, reset to zero.
Illumination control

  • When suspending communication, changes to nighttime mode. (when ignition switch ON)

  • When suspending communication, changes to daytime mode. (when ignition switch OFF)
Information display Odometer An indicated value is maintained at communications blackout.
Shift position indicator The display turns OFF by suspending communication.
Trip computer Current Nissan Pathfinder vehicle speed Reset to zero by suspending communication.
Current fuel consumption The last result calculated during normal condition is indicated.
Average fuel consumption
Average Nissan Pathfinder vehicle speed
ECO pedal guide The display turns OFF by suspending communication.
Buzzer The buzzer turns OFF by suspending communication.
Warning lamp/indicator lamp ABS warning lamp The lamp turns ON by suspending communication.
VDC warning lamp
Brake warning lamp
Electric power steering warning lamp
Malfunction indicator lamp (MIL)
12V battery charge warning lamp
Engine oil pressure warning lamp
SRS air bag warning lamp
Electric shift warning lamp
AEB warning lamp
Electric parking brake warning lamp
Low tire pressure warning lamp

  • When reception time of an abnormal signal is 60 seconds or less, the lamp blinking.

  • When reception time of an abnormal signal is more than 60 seconds, the lamp turns ON.
Electric parking brake indicator lamp The lamp blinking caused by suspending communication.
High beam indicator lamp The lamp turns OFF by suspending communication.
Hands OFF warning lamp
High beam assist indicator lamp
VDC OFF indicator lamp
Turn signal indicator lamp
Front fog lamp indicator lamp
Position lamp indicator lamp
Seat belt warning lamp
Automatic brake hold indicator lamp

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

  • B2231–16: BATTERY VOLTAGE

  • B2231–17: BATTERY VOLTAGE
2

  • B2223–1C: COMBINATION METER
3

  • U1010–49: CONTROL UNIT (CAN)

  • U1321–55: CONFIGURATION UNFINISHED

  • U2118–87: CAN COMM ERR (INTELLIGENT KEY)

  • U213D–87: CAN COMM ERR (ADB)

  • U2140–87: CAN COMM ERR (ECM)

  • U2141–87: CAN COMM ERR (TCM)

  • U2148–87: CAN COMM ERR (BRAKE CONTROL UNIT)

  • U214A–87: CAN COMM ERR (AWD/4WD)

  • U214F–87: CAN COMM ERR (BCM)

  • U2150–87: CAN COMM ERR (AIR BAG)

  • U2152–83: CAN COMM ERR (ADAS CONTROL UNIT)

  • U2152–87: CAN COMM ERR (ADAS CONTROL UNIT)

  • U2153–87: CAN COMM ERR (HVAC) CH1

  • U2154–87: CAN COMM ERR (MIU)

  • U2159–87: CAN COMM ERR (STEERING CONTROL UNIT)

  • U215B–87: CAN COMM ERR (IPDM E/R)

  • U2165–87: CAN COMM ERR (SONAR)

  • U2169-87: CAN COMM ERR (PSD/MHB)

  • U216B–87: CAN COMM ERR (FRONT CAMERA)

  • U216E–87: CAN COMM ERR (SIDE RADAR)

  • U2173–87: CAN COMM ERR (DISPLAY)

  • U2175–87: CAN COMM ERR (AVM)

  • U2176–87:CAN COMM ERR (CCM/ST ANGLE SENSOR)

  • U2193–87: CAN COMM ERR (ADP DRIVER SEAT)
4

  • B2205-29: Nissan Pathfinder Vehicle SPEED

  • B2205-87: VEHICLE SPEED

  • B2267-29: TACHO METER

  • B2267-87: TACHO METER

  • B2268-29: WATER TEMP METER

  • B2268-87: WATER TEMP METER

  • B226A-82: ADAS CLK
5

  • B2202-11: FUEL LEVEL SENSOR

  • B2202-13: FUEL LEVEL SENSOR

  • B220A-11: ILLUMINATION OUTPUT CIRCUIT

  • B220B-23: TRIP RESET SW

  • B220C-23: ILLUMINATION UP SW

  • B220D-23: ILLUMINATION DOWN SW

  • B2210-11: OUTSIDE TEMP SENSOR

  • B221A-23: STEERING SW INPUT1

  • B221B-23: STEERING SW INPUT2
6

  • B2227-86: AV COMMUNICATION

  • B2227-87: AV COMMUNICATION

DTC Index

Self Diagnostic Result
DTC CONSULT display Refer to
B2202-11 Fuel level sensor Refer to DTC Description.
B2202-13 Fuel level sensor Refer to DTC Description.
B2205-29 Nissan Pathfinder Vehicle SPEED Refer to DTC Description.
B2205-87 Nissan Pathfinder Vehicle SPEED Refer to DTC Description.
B220A-11 ILLUMINATION OUTPUT CIRCUIT Refer to DTC Description.
B220B-23 Trip reset SW Refer to DTC Description.
B220C-23 Illumination up SW Refer to DTC Description.
B220D-23 Illumination down SW Refer to DTC Description.
B2210-11 Outside temp sensor Refer to DTC Description.
B221A-23 Steering SW input1 Refer to DTC Description.
B221B-23 Steering SW input2 Refer to DTC Description.
B2223-1C Combination meter Refer to DTC Description.
B2227-86 AV communication Refer to DTC Description.
B2227-87 AV communication Refer to DTC Description.
B2231-16 Battery voltage Refer to DTC Description.
B2231-17 Battery voltage Refer to DTC Description.
B2267-29 TACHO METER Refer to DTC Description.
B2267-87 TACHO METER Refer to DTC Description.
B2268-29 WATER TEMP METER Refer to DTC Description.
B2268-87 WATER TEMP METER Refer to DTC Description.
B226A-82 ADAS CLK Refer to DTC Description .
U1010-49 CONTROL UNIT (CAN) Refer to DTC Description.
U1321–55 Config unfinished Refer to DTC Description.
Network-DTC
DTC CONSULT display Refer to
U2118–87 CAN comm err (Intelligent Key) Refer to DTC Description.
U213D–87 CAN comm err (ADB) Refer to DTC Description.
U2140–87 CAN comm err (ECM) Refer to DTC Description.
U2141–87 CAN comm err (TCM) Refer to DTC Description.
U2148–87 CAN comm err (brake control unit) Refer to DTC Description.
U214A–87 CAN comm err (AWD/4WD) Refer to DTC Description.
U214F–87 CAN comm err (BCM) Refer to DTC Description.
U2150–87 CAN comm err (AIR BAG) Refer to DTC Description.
U2152–83 CAN comm err (ADAS control unit) Refer to DTC Description.
U2152–87 CAN comm err (ADAS control unit) Refer to DTC Description.
U2153–87 CAN comm err (HVAC) ch1 Refer to DTC Description.
U2154–87 CAN COMM ERR (MIU) Refer to DTC Description.
U2159–87 CAN comm err (steering control unit) Refer to DTC Description.
U215B–87 CAN comm err (IPDM E/R) Refer to DTC Description.
U2165–87 CAN comm err (sonar) Refer to DTC Description.
U2169–87 CAN comm err (PSD/MHB) Refer to DTC Description.
U216B–87 CAN comm err (front camera) Refer to DTC Description.
U216E–87 CAN comm err (side radar) Refer to DTC Description.
U2173–87 CAN comm err (display) Refer to DTC Description.
U2175–87 CAN comm err (AVM) Refer to DTC Description.
U2176–87 CAN comm err (CCM/ST angle sensor) Refer to DTC Description.
U2193–87 CAN comm err (ADP driver seat) Refer to DTC Description.

Head up Display Unit Nissan Pathfinder 2022

Values On The Diagnosis Tool

NOTE:

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

Monitor item Condition Value/Status
Main switch [Ignition switch ON] Head Up Display main switch is push On
Other than above Off
Backlight power [Ignition switch ON] 0 – 100.0
Light sensor intensity [Ignition switch ON] 0.0 – 100000.0
Display temperature [Ignition switch ON] –40 – 145
Mirror status [Ignition switch ON] Mirror is open Open
Mirror is close Close
Display status [Ignition switch ON] On
Off
Login user No. [Ignition switch ON] Guest
User1
User2
User3
User4
User5
Keylink activation [Ignition switch ON] On
Off
Backlight temp [Ignition switch ON] –40 – 145
TSR activation [Ignition switch ON] Unknown
On
Off
Not Used
HUD mirror deployment [Ignition switch ON] HUD mirror is deployed On
HUD mirror is not deployed Off
IT activation [Ignition switch ON] Unknown
On
Off
Not Used
TBT activation [Ignition switch ON] Unknown
On
Off
Not Used
ADAS activation [Ignition switch ON] Unknown
On
Off
Not Used
HUD activation [Ignition switch ON] Unknown
On
Off
Not Used
Auto dimming [Ignition switch ON] On
Off
TEL/SMS activation [Ignition switch ON] On
Off
Ignition power supply [Ignition switch ON] On
[Ignition switch OFF] Off
Battery voltage [Ignition switch OFF] 6 - 18
Speed display request [Ignition switch ON] 0 - 253
Cruise disp [Ignition switch ON] Speed limit display :ON SL On
Speed limit display :OFF SL OFF
Speed limit display is malfunction. SL error
Cruise control display :ON CC On
Cruise control display :OFF CC Off
Cruise control display is malfunction. CC error
ASCD is not equipped No equip
Other than above Off
Over speed ind req (cruise) [Ignition switch ON] Over speed indicator (cruise) ON On
Over speed indicator (cruise) OFF Off
Over speed alert (SL) [Ignition switch ON] Over speed warning (speed limit) ON On
Over speed warning (speed limit) OFF Off
Converted speed display req [Ignition switch ON] Converted speed display ON On
Converted speed display OFF Off
Rain symbol display request [Ignition switch ON] Rain symbol display ON On
Rain symbol display OFF Off
Sub sign 2 [Ignition switch ON] Off
Generic
Snow
Towing
Arrow L
Arrow R
Truck
Not Used
Traffic sign 3 [Ignition switch ON] Traffic Sign1 -29
Off
No over
End no
Sub sign 1 [Ignition switch ON] Off
Generic
Snow
Towing
Arrow L
Arrow R
Truck
Not Used
Over speed display request [Ignition switch ON] Over speed display ON On
Over speed display OFF Off
Sub sign 3 [Ignition switch ON] Off
Generic
Snow
Towing
Arrow L
Arrow R
Truck
Not Used
Speed sign display request [Ignition switch ON] Speed sign display ON On
Speed sign display OFF Off
Sign type 1 [Ignition switch ON] Traffic sign END End
Other than above Normal
Sign type 2 [Ignition switch ON] Traffic sign END End
Other than above Normal
Backlight [Ignition switch ON] Backlight :Daytime mode Day
Backlight :Twilight mode Twilight
Backlight :Night mode Night
Other than above Unknown
Nissan Pathfinder Vehicle warning status [Ignition switch ON] Nissan Pathfinder Vehicle warning ON R3
D3
D3 R3
Other than above Off
Speed unit [Ignition switch ON] km/h
MPH
Max night light [Ignition switch ON] 0.0 ‐ 100.0%
External Temperature [Ignition switch ON] –50 ‐ 70 deg
Nissan Pathfinder Vehicle speed display value [Ignition switch ON] 0 ‐ 510 km
Up/down request

[Ignition switch ON]

  • On Head Up Display setting screen of the combination

 UP switch is pushed Up
DOWN switch is pushed Down
Reset switch is pushed Reset
Other than above No req
Meter language [Ignition switch ON] Displays selected language.
HUD rotation request

[Ignition switch ON]

  • On Head Up Display setting screen of the combination

 HUD rotation is not requested No req
HUD rotation request Step1 ‐ 21
Reset switch is pushed Reset
Other than above Not used
IT activation request [Ignition switch ON] IT activation request :ON On
IT activation request :OFF Off
IT activation request :Reset Reset
Other than above No req
TSR activation request [Ignition switch ON] TSR activation request :ON On
TSR activation request :OFF Off
TSR activation request :Reset Reset
Other than above No req
ADAS activation request [Ignition switch ON] ADAS activation request :ON On
ADAS activation request :OFF Off
ADAS activation request :Reset Reset
Other than above No req
TBT activation request [Ignition switch ON] Turn by turn activation request :ON On
Turn by turn activation request :OFF Off
Turn by turn activation request :Reset Reset
Other than above No req
TEL/SMS activation request [Ignition switch ON] TEL/SMS activation request :ON On
TEL/SMS activation request :OFF Off
TEL/SMS activation request :Reset Reset
Other than above No req
MM auto ACC 2 [Ignition switch ON] Displays the multimedia uto ACC status. Down
Message
Manual
Work
Nissan Pathfinder Vehicle status [Ignition switch ON] Displays the Nissan Pathfinder vehicle status. Sleep
Cut off
AutoACC
Ignition
Start
Auto
Stop
Other than above Unknown
Delivery mode [Ignition switch ON] Displays the delivery mode. Custom
Level1
Level2
Other than above Not Used
GADE [Ignition switch ON] Displays the GADE type. Type1
Type2
Type3
Type4
Type5
Other than above Unknown
Key link [Ignition switch ON] I-Key link number recognized by Head Up Display unit is displayed. No.1
No.2
No.3
No.4
Other than above No
User setting copy target [Ignition switch ON] Displays the user setting copy target. No.1
No.2
No.3
No.4
No.5
Guest
Other than above Off
User setting copy source [Ignition switch ON] Displays the User setting copy source. No.1
No.2
No.3
No.4
No.5
Guest
Other than above Off
User setting copy request [Ignition switch ON] User setting copy request :ON On
Other than above No req
User1 registration state [Ignition switch ON] User 1 registration :ON On
Other than above Off
User2 registration state [Ignition switch ON] User 2 registration :ON On
Other than above Off
User3 registration state [Ignition switch ON] User 3 registration :ON On
Other than above Off
Keylink activation [Ignition switch ON] Key link activation :ON On
Other than above Off
Key link initialization [Ignition switch ON] Key link initialization is in progress Progress
Key link initialization is completed Complet
User4 registration state [Ignition switch ON] User 4 registration :ON On
Other than above Off
User5 registration state [Ignition switch ON] User 5 registration :ON On
Other than above Off
Current user [Ignition switch ON] Displays the current user. No.1
No.2
No.3
No.4
No.5
Guest
FEB alert request [Ignition switch ON] AEB warning :ON On
Other than above No req
Driver warning status display [Ignition switch ON] Driver warning status display :ON On
Driver warning status display :OFF Off
Other than above Not Used
LDW lane display [Ignition switch ON] LDW lane display :Right Right
LDW lane display :Left Left
LDW lane display :Left and right Both
Other than above Off
FEB cyclist alert req [Ignition switch ON] AEB cyclist alert :ON On
Other than above Off
FEB Nissan Pathfinder vehicle alert req [Ignition switch ON] AEB vehicle alert :Approach Approach
AEB Nissan Pathfinder vehicle alert :Collision Collision
AEB vehicle alert :OFF Off
Other than above Not Used
FEB pedestrian alert req [Ignition switch ON] AEB pedestrian alert :ON On
Other than above Off
ADAS mode display [Ignition switch ON] Driver assistance mode :ASCD ASCD
Driver assistance mode :ICC ICC
Driver assistance mode :ProPILOT Assist PP
Other than above Unknown
ICC status display [Ignition switch ON] ICC status display :ON On
ICC status display :Wait Wait
ICC status display :Suspend Suspend
Other than above Off
ICC malfunction display [Ignition switch ON] ICC temporary malfunction display :ON Tempo
ICC permanent malfunction display :ON Perma
ICC malfunction display :OFF Off
Other than above Not used
ICC target distance display [Ignition switch ON] ICC target distance display :Long Long
ICC target distance display :Middle Middle
ICC target distance display :Short Short
ICC target distance display :Very short V short
Other than above Off
ICC speed override display [Ignition switch ON] ICC speed override display :ON On
Other than above Off
ICC distance override disp [Ignition switch ON] ICC distance override display :ON On
Other than above Off
ICC target distance alert [Ignition switch ON] ICC target distance alert :Approach Approach
ICC target distance alert :Collision Collision
ICC target distance alert :Cancel Cancel
Other than above Off
ICC dynamic target distance [Ignition switch ON] 0 – 255
ICC speed setting [Ignition switch ON] 0 – 255
ICC distance setting [Ignition switch ON] ICC distance setting :Long Long
ICC distance setting :Middle Middle
ICC distance setting :Short Short
ICC distance setting :Very short V short
Other than above Off
LCA steering wheel display [Ignition switch ON] LCA steering wheel display :Cancel Cancel
LCA steering wheel display :Temporary Tempo
LCA steering wheel display :Active Active
Other than above Not used
LCA status display [Ignition switch ON] LCA status display :Not active Not act
LCA status display :Active Active
LCA status display :OFF Off
Other than above Not used
LCA override display [Ignition switch ON] LCA override display :ON On
Other than above Off
LCA malfunction display [Ignition switch ON] LCA temporary malfunction display :ON Tempo
LCA permanent malfunction display :ON Perma
LCA malfunction display :OFF Off
Other than above Not used
LDP alert status [Ignition switch ON] I-LI alert :Right Right
I-LI alert :Left Left
I-LI alert :OFF Off
Other than above Not used
Current calibration [Ignition switch ON] 1 – 6
Calibration status 1 [Ignition switch ON] Calibration 1 is adjusted Adjusted
Other than above No adjust
Calibration status 2 [Ignition switch ON] Calibration 2 is adjusted Adjusted
Other than above No adjust
Calibration status 3 [Ignition switch ON] Calibration 3 is adjusted Adjusted
Other than above No adjust
LDW alert status [Ignition switch ON] LDW alert :Right Right
LDW alert :Left Left
LDW alert :OFF Off
Other than above Not used
EAPM alert display [Ignition switch ON] EAPM alert display :ON On
Other than above Off

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal

(Wire color) 		Description Condition

Value

(Approx.)
+ – Signal name Input/Output

3

(GR) 		Ground CAN-High Input/Output — —

5

(V) 		Ground CAN-Low Input/Output — —

9

(LA/P) 		Ground Ignition switch power supply Supply Ignition switch ON Battery voltage

12

(SB) 		Ground AV communication high Input/Output — —

13

(P) 		Ground Head up display switch Input Ignition switch ON Battery voltage

14

(LG) 		Ground AV communication low Input/Output — —

16

(B) 		Ground Ground Input Ignition switch ON 0 V

Fail-safe

The Head Up Display (HUD) activates the fail-safe control according to the detected malfunction.

DTC Fail-safe condition
B22A0-46 The mirror is shifted to the closed condition and the back light turned off and the operation is continued.
B22A0-49

  • The back light turned off and the operation is continued.

  • Operation is continued at a brightness that minimum input from the built-in illuminance sensor.

  • Reset HUD software (Restart HUD system).

  • Stop CAN communication.

  • Turn OFF contents HUD display which disrupted signal.
B22A0-4B The mirror is shifted to the closed condition until the temperature of the TFT display drops to the specified temperature and the operation is continued.
B22A0-52 No fail-safe (HUD display with default calibration value).
B22A0-54
B22A0-57
B22A1-23 The HUD display can not be switched ON/OFF.
B22A2-A2 —
B22A2-A3 —
U2118-87 CAN communication does not function.
U2140-87
U2148-87
U214E-87
U214F-87
U2152-87
U2154-87
U215B-87
U216B-87

Protection Function

LED protection function

The Head Up Display unit monitors the LED display temperature, and limits and protects the brightness of the backlight when the LED temperature becomes high temperature.

Conditions Function Cancellation condition
Head Up Display unit LED temperature 248 °F (120 °C ) or higher Decrease backlight brightness according to temperature rise 221 °F (105 °C) or lower
293 °F (145 °C) or higher Completely turn off

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

  • B22A0-52 CONTROL UNIT

  • B22A0-54 CONTROL UNIT

  • B22A0-57 CONTROL UNIT
2

  • U2118-87 CAN COMM ERR (INTELLIGENT KEY)

  • U2140-87 CAN COMM ERR (ECM)

  • U2148-87 CAN COMM ERR (BRAKE CONTROL UNIT)

  • U214E-87 CAN COMM ERR (COMBINATION METER)

  • U214F-87 CAN COMM ERR (BCM)

  • U2152-87 CAN COMM ERR (ADAS CONTROL UNIT)

  • U2154-87 CAN COMM ERR (MIU)

  • U215B-87 CAN COMM ERR (IPDM E/R)

  • U216B-87 FRONT CAMERA COMM CIRCUIT
3

  • B22A0-46 CONTROL UNIT

  • B22A0-49 CONTROL UNIT

  • B22A0-4B CONTROL UNIT

  • B22A1‐23 MAIN SWITCH FIX

  • B22A2‐A2 BATTERY VOLTAGE

  • B22A2‐A3 BATTERY VOLTAGE

DTC Index

SELF-DIAGNOSIS RESULTS DISPLAY ITEM

Self Diagnostic Result
DTC CONSULT display Reference
B22A0-46 Control unit Refer to DTC Description.
B22A0-49 Control unit Refer to DTC Description.
B22A0-4B Control unit Refer to DTC Description.
B22A0-52 Control unit Refer to DTC Description.
B22A0-54 Control unit Refer to DTC Description.
B22A0-57 Control unit Refer to DTC Description.
B22A1-23 Main switch fix Refer to DTC Description.
B22A2-A2 Battery voltage Refer to DTC Description.
B22A2-A3 Battery voltage Refer to DTC Description.
Network-DTC
DTC CONSULT display Reference
U2118-87 CAN comm err (Intelligent Key) Refer to DTC Description.
U2140-87 CAN comm err (ECM) Refer to DTC Description.
U2148-87 CAN comm err (brake control unit) Refer to DTC Description.
U214E-87 CAN comm err (combination meter) Refer to DTC Description.
U214F-87 CAN comm err (BCM) Refer to DTC Description.
U2152-87 CAN comm err (ADAS control unit) Refer to DTC Description.
U2154-87 CAN comm err (MIU) Refer to DTC Description.
U215B-87 CAN comm err (IPDM E/R) Refer to DTC Description.
U216B-87 FRONT CAMERA COMM CIRCUIT Refer to DTC Description.
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Nissan Pathfinder (R53) 2022-2025 Service Manual

Ecu Diagnosis Information

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