This DTC is stored when the navigation receiver assembly detects a malfunction in the Ethernet network.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| U102000 | Lost Communication with Ethernet | A broken link in the Ethernet communication system is detected
(2 trip detection logic) |
·
Combination meter assembly ·
Navigation Receiver Assembly |
Navigation System | A |
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.
When replacing the combination meter assembly, replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in the combination meter assembly will not match the information from the vehicle and a DTC may be stored.
When replacing the combination meter assembly, make sure to update the ECU security key.
Before disconnecting the connectors for inspection, push each connector in the connection direction and check that it is not lose or disconnected.
After disconnecting the connector, check that the connector and terminals are not damaged, deformed or corroded.
Disconnect the I216 navigation receiver assembly connector.
Disconnect the I215 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I216-2 (ETH+) - I215-1 (ET+) | Always | Below 1 Ω |
| I216-1 (ETH-) - I215-2 (ET-) | Always | Below 1 Ω |
| I216-2 (ETH+) or I215-1 (ET+) - Body ground | Always | 10 kΩ or higher |
| I216-1 (ETH-) or I215-2 (ET-) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check if the meter & gauge system is malfunctioning.
| Proceed to |
|---|
| NEXT |
NEXT
Clear the DTCs.
Turn the ignition switch off.
Turn the ignition switch to ON and wait for 45 seconds.
Turn the ignition switch off.
Turn the ignition switch to ON and wait for 45 seconds.
Check for DTCs and proceed to the following step.
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTC U102000 is output | B |
A
B