RM38T0EC _56 Audio / Visual / Telematics _111967 NAVIGATION / MULTI INFO DISPLAY _0588532 NAVIGATION SYSTEM(Production Date from 2023/04) C

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM(Production Date from 2023/04)  B228231  Vehicle Speed Signal Circuit Open  


DESCRIPTION

This DTC is stored when the radio and display receiver assembly detect difference between the GNSS speed and SPD pulse.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B228231 Vehicle Speed Signal Circuit Open When the GNSS position is stable and the vehicle speed is approximately 44 km/h or more, the vehicle speed pulse signal is not detected for 120 seconds or more.
(2 trip detection logic)
·

Radio and display receiver assembly

·

Meter/gauge system

·

Harness or connector


Navigation System A

WIRING DIAGRAM

E215603E96
4.25,1.969 4.667,2.125 0.417,0.156 10 false I253 4.25,2.135 6.698,2.479 2.448,0.344 10 false Radio and Display Receiver Assembly 4.813,1.24 5.219,1.417 0.406,0.177 10 false SPD 0.979,1.969 1.281,2.146 0.302,0.177 10 false I4 0.969,2.135 2.792,2.313 1.823,0.177 10 false Combination Meter Assembly 2.438,1.135 2.708,1.333 0.271,0.198 10 false 8 4.635,1.146 4.948,1.323 0.313,0.177 10 false 8 2.177,1.24 2.448,1.406 0.271,0.167 10 false +S

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM (Production Date from 2023/04)>PRECAUTION


PROCEDURE

1.CHECK VEHICLE CONTROL HISTORY (RoB)
a.

Check vehicle control history (RoB)

i.

Using the GTS, check for vehicle control history (RoB).

Body Electrical > Navigation System > Utility
Tester Display
Vehicle Control History (RoB)
50005 496 55


Result:
Result Proceed to
Vehicle control history (RoB) X8023 is output A
Vehicle control history (RoB) is not output B



A

2.CHECK OPTIONAL COMPONENTS

B

4.CHECK VEHICLE SENSOR (SYSTEM SENSORS CHECK)
2.CHECK OPTIONAL COMPONENTS
a.

Check that optional components are not installed.


Result:
Result Proceed to
Optional components are installed A
Optional components are not installed B



A

3.REMOVE OPTIONAL COMPONENTS

B

4.CHECK VEHICLE SENSOR (SYSTEM SENSORS CHECK)
3.REMOVE OPTIONAL COMPONENTS

Pre-procedure1

a.

Remove optional components.


Procedure1

b.

Turn the ignition switch off and back to ON.

Result:
Proceed to
NEXT



Post-procedure1

c.

None



NEXT

4.CHECK VEHICLE SENSOR (SYSTEM SENSORS CHECK)
4.CHECK VEHICLE SENSOR (SYSTEM SENSORS CHECK)

Pre-procedure1

HINT:

For enter diagnostic mode and screen transition.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM (Production Date from 2023/04)>DIAGNOSIS SYSTEM


a.
E466850

Enter diagnostic mode.

i.

Enter diagnostic mode.


ii.

Select "Function Check/Setting" from the "Service Menu" screen.


iii.

Select "System Sensors Check" from the "Function Check/Setting I" screen.



Procedure1

b.

System sensors check

i.

Drive the vehicle and confirm that the displayed Speed changes in accordance with the vehicle driving condition.

Result:
Result Proceed to
Speed changes A
Speed does not change B




Post-procedure1

c.

None



A

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


B

5.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)
5.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)

Pre-procedure1

a.

Disconnect the I4 combination meter assembly connector.


b.

Disconnect the I253 radio and display receiver assembly connector.


Procedure1

c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I4-8 (+S) - I253-8 (SPD) Always Below 1 Ω
I4-8 (+S) - Body ground Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

GO TO METER / GAUGE SYSTEM

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM>Speed Signal Circuit


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR