RM38N0EC _56 Audio / Visual / Telematics _111823 NAVIGATION / MULTI INFO DISPLAY _0502893 NAVIGATION SYSTEM C

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM  B228231  Vehicle Speed Signal Circuit Open  


DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
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)
·

Navigation receiver assembly

·

Meter/gauge system

·

Harness or connector



WIRING DIAGRAM

E533922E04
4.729,2.052 5.146,2.208 0.417,0.156 10 false E137 4.708,2.219 7.156,2.563 2.448,0.344 10 false Navigation Receiver Assembly 4.813,1.24 5.219,1.417 0.406,0.177 10 false SPD 0.958,2.042 2.01,2.25 1.052,0.208 10 false E17 1.01,2.219 2.833,2.396 1.823,0.177 10 false Combination Meter Assembly 2.438,1.135 2.729,1.385 0.292,0.25 10 false 6 4.635,1.146 4.948,1.323 0.313,0.177 10 false 8 2.156,1.219 2.427,1.385 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>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 to Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>DIAGNOSIS SYSTEM


a.
E466853

Enter diagnostic mode.

i.

Enter diagnostic mode.


ii.

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


iii.

Select "Vehicle Signal Check Mode" 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 B



A

REPLACE NAVIGATION RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION RECEIVER>REMOVAL


B

5.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY)
5.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY)
a.

Disconnect the E17 combination meter assembly connector.


b.

Disconnect the E137 navigation receiver assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E17,E137)Location & Routing

Click Connector(E17)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Combination Meter Assembly

Click Connector(E137)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E17-6 (+S) - E137-8 (SPD) Always Below 1 Ω
E17-6 (+S) or E137-8 (SPD) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

GO TO METER / GAUGE SYSTEM

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM (for TFT Meter Type)>Speed Signal Circuit


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR