RM36D0EC _56 Audio / Visual / Telematics _083086 AUDIO / VIDEO _0593011 AUDIO AND VISUAL SYSTEM C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM  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

E513345E01
4.417,1.698 5.135,1.958 0.719,0.26 10 false G155 4.417,1.865 6.854,2.094 2.438,0.229 10 false Radio and Display Receiver Assembly 4.823,0.896 5.167,1.073 0.344,0.177 10 false SPD 1.063,1.74 2.167,1.938 1.104,0.198 10 false G18*1, G151*2 1.042,1.896 2.875,2.125 1.833,0.229 10 false Combination Meter Assembly 2.448,0.76 3.271,0.948 0.823,0.188 10 false 38*1, 6*2 4.615,0.781 4.927,0.958 0.313,0.177 10 false 8 2.125,0.896 2.396,1.063 0.271,0.167 10 false +S 0.26,2.344 3.51,2.542 3.25,0.198 10 false *1: except 12.3 Inch Multi-information Display Type 3.896,2.344 6.833,2.542 2.938,0.198 10 false *2: for 12.3 Inch Multi-information Display Type

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>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM>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
a.

Remove optional components.


b.

Turn the ignition switch off and back to ON.


Result:
Proceed to
NEXT



NEXT

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

For enter diagnostic mode and screen transition, refer toAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM>DIAGNOSIS SYSTEM


a.
E475541

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.



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 (for TFT Meter Type) B



A

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)
a.

Disconnect the G18*1, G151*2 combination meter assembly connector.

*1: except 12.3 Inch Multi-information Display Type

*2: for 12.3 Inch Multi-information Display Type



b.

Disconnect the G155 radio and display receiver assembly connector.


c.

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

Standard Resistance:
except 12.3 Inch Multi-information Display Type
Tester Connection Condition Specified Condition
G18-38 (+S) - G155-8 (SPD) Always Below 1 Ω
G18-38 (+S) or G155-8 (SPD) - Body ground Always 10 kΩ or higher

for 12.3 Inch Multi-information Display Type
Tester Connection Condition Specified Condition
G151-6 (+S) - G155-8 (SPD) Always Below 1 Ω
G151-6 (+S) or G155-8 (SPD) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR